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#!/usr/bin/perl
# Copyright (C) 2021-2023 Free Software Foundation, Inc.
# Contributed by Oracle.
#
# This file is part of GNU Binutils.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, 51 Franklin Street - Fifth Floor, Boston,
# MA 02110-1301, USA.
use strict;
use warnings;
use feature qw (state);
use File::stat;
#------------------------------------------------------------------------------
# Check as early as possible if the version of Perl used is supported.
#------------------------------------------------------------------------------
INIT
{
my $perl_minimal_version_supported = version->parse ("5.10.0")->normal;
my $perl_current_version = version->parse ("$]")->normal;
if ($perl_current_version lt $perl_minimal_version_supported)
{
my $msg;
$msg = "Error: minimum Perl release required: ";
$msg .= $perl_minimal_version_supported;
$msg .= " current: ";
$msg .= $perl_current_version;
$msg .= "\n";
print $msg;
exit (1);
}
} #-- End of INIT
#------------------------------------------------------------------------------
# Poor man's version of a boolean.
#------------------------------------------------------------------------------
my $TRUE = 1;
my $FALSE = 0;
#------------------------------------------------------------------------------
# Used to ensure correct alignment of columns.
#------------------------------------------------------------------------------
my $g_max_length_first_metric;
#------------------------------------------------------------------------------
# This variable contains the path used to execute $GP_DISPAY_TEXT.
#------------------------------------------------------------------------------
my $g_path_to_tools;
#-------------------------------------------------------------------------------
# Code debugging flag
#-------------------------------------------------------------------------------
my $g_test_code = $FALSE;
#-------------------------------------------------------------------------------
# GPROFNG commands and files used.
#-------------------------------------------------------------------------------
my $GP_DISPLAY_TEXT = "gp-display-text";
my $g_gp_output_file = $GP_DISPLAY_TEXT.".stdout.log";
my $g_gp_error_logfile = $GP_DISPLAY_TEXT.".stderr.log";
#------------------------------------------------------------------------------
# Global variables.
#------------------------------------------------------------------------------
my $g_addressing_mode = "64 bit";
#------------------------------------------------------------------------------
# The global regex section.
#
# First step towards consolidating all regexes.
#------------------------------------------------------------------------------
my $g_less_than_regex = '<';
my $g_html_less_than_regex = '<';
my $g_endbr_inst_regex = 'endbr[32|64]';
#------------------------------------------------------------------------------
# These are the regex's used.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Disassembly analysis
#------------------------------------------------------------------------------
my $g_branch_regex = '\.*([0-9a-fA-F]*):\s+(j).*\s*0x([0-9a-fA-F]+)';
my $g_endbr_regex = '\.*([0-9a-fA-F]*):\s+(endbr[32|64])';
my $g_function_call_v2_regex = '(.*)\s+([0-9a-fA-F]*):\s+(call)\s*0x([0-9a-fA-F]+)\s*';
#------------------------------------------------------------------------------
# Convenience. These map the on/off value to $TRUE/$FALSE to make the code
# easier to read. For example: "if ($g_verbose)" as opposed to the following:
# "if ($verbose_setting eq "on").
#------------------------------------------------------------------------------
my $g_verbose;
my $g_warnings;
my $g_quiet;
my $g_first_metric;
my $binutils_version;
my $driver_cmd;
my $tool_name;
my $version_info;
my %g_mapped_cmds = ();
#------------------------------------------------------------------------------
# TBD All warning messages are collected and are accessible through the main
# page.
#------------------------------------------------------------------------------
my @g_warning_messages = ();
#------------------------------------------------------------------------------
# Contains the names that have already been tagged. This is a global
# structure because otherwise the code would get much more complicated.
#------------------------------------------------------------------------------
my %g_tagged_names = ();
#------------------------------------------------------------------------------
# TBD Remove the use of these structures. No longer used.
#------------------------------------------------------------------------------
my %g_function_tag_id = ();
my $g_context = 5; # Defines the range of scan
my $g_default_setting_lang = "en-US.UTF-8";
my %g_exp_dir_meta_data;
my @g_user_input_errors = ();
my $g_html_credits_line;
my $g_warn_keyword = "Input warning: ";
my $g_error_keyword = "Input error: ";
my %g_function_occurrences = ();
my %g_map_function_to_index = ();
my %g_multi_count_function = ();
my %g_function_view_all = ();
my @g_full_function_view_table = ();
my @g_html_experiment_stats = ();
#-------------------------------------------------------------------------------
# These structures contain the information printed in the function views.
#-------------------------------------------------------------------------------
my $g_header_lines;
my @g_html_function_name = ();
#-------------------------------------------------------------------------------
# TBD: This variable may not be needed and replaced by tp_value
my $thresh = 0;
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
# Define the driver command, tool name and version number.
#-------------------------------------------------------------------------------
$driver_cmd = "gprofng display html";
$tool_name = "gp-display-html";
#$binutils_version = "2.38.50";
$binutils_version = "2.40.00";
$version_info = $tool_name . " GNU binutils version " . $binutils_version;
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
# Define several key data structures.
#-------------------------------------------------------------------------------
my %g_user_settings =
(
output => { option => "-o" , no_of_arguments => 1, data_type => "path" , current_value => undef, defined => $FALSE},
overwrite => { option => "-O" , no_of_arguments => 1, data_type => "path" , current_value => undef, defined => $FALSE},
calltree => { option => "-ct", no_of_arguments => 1, data_type => "onoff" , current_value => "off" , defined => $FALSE},
func_limit => { option => "-fl", no_of_arguments => 1, data_type => "pinteger", current_value => 500 , defined => $FALSE},
highlight_percentage => { option => "-hp", no_of_arguments => 1, data_type => "pfloat" , current_value => 90.0 , defined => $FALSE},
threshold_percentage => { option => "-tp", no_of_arguments => 1, data_type => "pfloat" , current_value => 100.0 , defined => $FALSE},
default_metrics => { option => "-dm", no_of_arguments => 1, data_type => "onoff" , current_value => "off" , defined => $FALSE},
ignore_metrics => { option => "-im", no_of_arguments => 1, data_type => "metric_names", current_value => undef, defined => $FALSE},
verbose => { option => "--verbose" , no_of_arguments => 1, data_type => "onoff" , current_value => "off" , defined => $FALSE},
warnings => { option => "--warnings" , no_of_arguments => 1, data_type => "onoff" , current_value => "on" , defined => $FALSE},
debug => { option => "--debug" , no_of_arguments => 1, data_type => "size" , current_value => "off" , defined => $FALSE},
quiet => { option => "--quiet" , no_of_arguments => 1, data_type => "onoff" , current_value => "off" , defined => $FALSE},
);
my %g_debug_size =
(
"on" => $FALSE,
"s" => $FALSE,
"m" => $FALSE,
"l" => $FALSE,
"xl" => $FALSE,
);
my %local_system_config =
(
kernel_name => "undefined",
nodename => "undefined",
kernel_release => "undefined",
kernel_version => "undefined",
machine => "undefined",
processor => "undefined",
hardware_platform => "undefined",
operating_system => "undefined",
hostname_current => "undefined",
);
# Note that we use single quotes here, because regular expressions wreak havoc otherwise.
my %g_arch_specific_settings =
(
arch_supported => $FALSE,
arch => 'undefined',
regex => 'undefined',
subexp => 'undefined',
linksubexp => 'undefined',
);
my %g_locale_settings = (
LANG => "en_US.UTF-8",
decimal_separator => "\\.",
covert_to_dot => $FALSE
);
#------------------------------------------------------------------------------
# See this page for a nice overview with the colors:
# https://www.w3schools.com/colors/colors_groups.asp
#------------------------------------------------------------------------------
my %g_html_color_scheme = (
"control_flow" => "Brown",
"target_function_name" => "Red",
"non_target_function_name" => "BlueViolet",
"background_color_hot" => "PeachPuff",
"background_color_lukewarm" => "LemonChiffon",
"link_outside_range" => "Crimson",
"error_message" => "LightPink",
"background_color_page" => "White",
# "background_color_page" => "LightGray",
"background_selected_sort" => "LightSlateGray",
"index" => "Lavender",
);
#------------------------------------------------------------------------------
# These are the base names for the HTML files that are generated.
#------------------------------------------------------------------------------
my %g_html_base_file_name = (
"caller_callee" => "caller-callee",
"disassembly" => "dis",
"experiment_info" => "experiment-info",
"function_view" => "function-view-sorted",
"index" => "index",
"source" => "src",
"warnings" => "warnings",
);
#------------------------------------------------------------------------------
# This is cosmetic, but helps with the scoping of variables.
#------------------------------------------------------------------------------
main ();
exit (0);
#------------------------------------------------------------------------------
# This is the driver part of the program.
#------------------------------------------------------------------------------
sub main
{
my $subr_name = get_my_name ();
#------------------------------------------------------------------------------
# The name of the configuration file.
#------------------------------------------------------------------------------
my $rc_file_name = ".gp-display-html.rc";
#------------------------------------------------------------------------------
# OS commands executed and search paths.
#------------------------------------------------------------------------------
my @selected_os_cmds = qw (rm mv cat hostname locale which printenv ls
uname readelf mkdir);
my @search_paths_os_cmds = qw (
/usr/bin
/bin
/usr/local/bin
/usr/local/sbin
/usr/sbin
/sbin
);
#------------------------------------------------------------------------------
# TBD: Eliminate these.
#------------------------------------------------------------------------------
my $ARCHIVES_MAP_NAME;
my $ARCHIVES_MAP_VADDR;
#------------------------------------------------------------------------------
# Local structures (hashes and arrays).
#------------------------------------------------------------------------------
my @exp_dir_list; # List with experiment directories
my @metrics_data;
my %function_address_info = ();
my $function_address_info_ref;
my @function_info = ();
my $function_info_ref;
my %function_address_and_index = ();
my $function_address_and_index_ref;
my %addressobjtextm = ();
my $addressobjtextm_ref;
my %addressobj_index = ();
my $addressobj_index_ref;
my %LINUX_vDSO = ();
my $LINUX_vDSO_ref;
my %function_view_structure = ();
my $function_view_structure_ref;
my %elf_rats = ();
my $elf_rats_ref;
#------------------------------------------------------------------------------
# Local variables.
#------------------------------------------------------------------------------
my $abs_path_outputdir;
my $archive_dir_not_empty;
my $base_va_executable;
my $executable_name;
my $exp_dir_list_ref;
my $found_exp_dir;
my $ignore_value;
my $message;
my $number_of_metrics;
my $va_executable_in_hex;
my $failed_command_mappings;
my $option_errors;
my $total_user_errors;
my $script_pc_metrics;
my $dir_check_errors;
my $consistency_errors;
my $outputdir;
my $return_code;
my $decimal_separator;
my $convert_to_dot;
my $architecture_supported;
my $elf_arch;
my $elf_support;
my $home_dir;
my $elf_loadobjects_found;
my $rc_file_paths_ref;
my @rc_file_paths = ();
my $rc_file_errors = 0;
my @sort_fields = ();
my $summary_metrics;
my $call_metrics;
my $user_metrics;
my $system_metrics;
my $wall_metrics;
my $detail_metrics;
my $detail_metrics_system;
my $pretty_dir_list;
my %metric_value = ();
my %metric_description = ();
my %metric_description_reversed = ();
my %metric_found = ();
my %ignored_metrics = ();
my $metric_value_ref;
my $metric_description_ref;
my $metric_found_ref;
my $ignored_metrics_ref;
my @table_execution_stats = ();
my $table_execution_stats_ref;
my $html_first_metric_file_ref;
my $html_first_metric_file;
my $arch;
my $subexp;
my $linksubexp;
my $setting_for_LANG;
my $time_percentage_multiplier;
my $process_all_functions;
my $selected_archive;
#------------------------------------------------------------------------------
# If no options are given, print the help info and exit.
#------------------------------------------------------------------------------
if ($#ARGV == -1)
{
$ignore_value = print_help_info ();
return (0);
}
#------------------------------------------------------------------------------
# This part is like a preamble. Before we continue we need to figure out some
# things that are needed later on.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Store the absolute path of the command executed.
#------------------------------------------------------------------------------
my $location_gp_command = $0;
#------------------------------------------------------------------------------
# The very first thing to do is to quickly determine if the user has enabled
# one of the following options and take action accordingly:
# --version, --verbose, --debug, --quiet
#
# This avoids that there is a gap between the start of the execution and the
# moment the options are parsed, checked, and interpreted.
#
# When parsing the full command line, these options will be more extensively
# checked and also updated in %g_user_settings
# Note that a confirmation message, if any, is printed here and not when the
# options are parsed and processed.
#------------------------------------------------------------------------------
$g_verbose = $g_user_settings{"verbose"}{"current_value"} eq "on" ? $TRUE : $FALSE;
$g_warnings = $g_user_settings{"warnings"}{"current_value"} eq "on" ? $TRUE : $FALSE;
$g_quiet = $g_user_settings{"quiet"}{"current_value"} eq "on" ? $TRUE : $FALSE;
$ignore_value = early_scan_specific_options ();
#------------------------------------------------------------------------------
# The next subroutine is executed early to ensure the OS commands we need are
# available.
#
# This subroutine stores the commands and the full path names as an associative
# array called "g_mapped_cmds". The command is the key and the value is the full
# path. For example: ("uname", /usr/bin/uname).
#------------------------------------------------------------------------------
$failed_command_mappings = check_and_define_cmds (\@selected_os_cmds, \@search_paths_os_cmds);
if ($failed_command_mappings == 0)
{
gp_message ("debug", $subr_name, "verified the OS commands");
}
else
{
my $msg = "failure in the verification of the OS commands";
gp_message ("assertion", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Get the home directory and the locations for the configuration file on the
# current system.
#------------------------------------------------------------------------------
($home_dir, $rc_file_paths_ref) = get_home_dir_and_rc_path ($rc_file_name);
@rc_file_paths = @{ $rc_file_paths_ref };
gp_message ("debug", $subr_name, "the home directory is $home_dir");
gp_message ("debugXL", $subr_name, "the search path for the rc file is @rc_file_paths");
$pretty_dir_list = build_pretty_dir_list (\@rc_file_paths);
#------------------------------------------------------------------------------
# Get the ball rolling. Parse and interpret the configuration file (if any)
# and the command line options.
#
# If either $rc_file_errors or $total_user_errors, or both, are non-zero it
# means a fatal error has occured. In this case, all error messages are
# printed and execution is terminated.
#
# Note that the verbose, debug, and quiet options can be set in this file.
# It is a deliberate choice to ignore these for now. The assumption is that
# the user will not be happy if we ignore the command line settings for a
# while.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "processing of the rc file disabled for now");
# Temporarily disabled print_table_user_settings ("debugXL", "before function process_rc_file");
# Temporarily disabled
# Temporarily disabled $rc_file_errors = process_rc_file ($rc_file_name, $rc_file_paths_ref);
# Temporarily disabled
# Temporarily disabled if ($rc_file_errors != 0)
# Temporarily disabled {
# Temporarily disabled $message = "fatal errors in file $rc_file_name encountered";
# Temporarily disabled gp_message ("debugXL", $subr_name, $message);
# Temporarily disabled }
# Temporarily disabled
# Temporarily disabled print_table_user_settings ("debugXL", "after function process_rc_file");
#------------------------------------------------------------------------------
# Get the ball rolling. Parse and interpret the options. Some first checks
# are performed.
#
# Instead of bailing out on the first user error, we capture all errors, print
# messages and then bail out. This is more user friendly.
#------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Parse the user options");
$total_user_errors = 0;
($option_errors, $found_exp_dir, $exp_dir_list_ref) = parse_and_check_user_options (
\$#ARGV,
\@ARGV);
$total_user_errors += $option_errors;
#------------------------------------------------------------------------------
# Dynamically load the modules needed. If a module is not available, print
# an error message and bail out.
#
# This call replaces the following:
#
# use feature qw (state);
# use List::Util qw (min max);
# use Cwd;
# use File::Basename;
# use File::stat;
# use POSIX;
# use bignum;
#
# Note that this check cannot be done earlier, because in case of a missing
# module, the man page would not be generated if the code ends prematurely
# in case the --help and --version options are used..
#------------------------------------------------------------------------------
my ($module_errors_ref, $missing_modules_ref) = handle_module_availability ();
my $module_errors = ${ $module_errors_ref };
if ($module_errors > 0)
{
my $msg;
my $plural_or_single = ($module_errors > 1) ? "modules are" : "module is";
my @missing_modules = @{ $missing_modules_ref };
for my $i (0 .. $#missing_modules)
{
$msg = "module $missing_modules[$i] is missing";
gp_message ("error", $subr_name, $msg);
}
$msg = $module_errors . " " . $plural_or_single .
"missing - execution is terminated";
gp_message ("abort", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# The user options have been taken in. Check for validity and consistency.
#------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Process user options");
($option_errors, $ignored_metrics_ref, $outputdir,
$time_percentage_multiplier, $process_all_functions,
$exp_dir_list_ref) = process_user_options ($exp_dir_list_ref);
@exp_dir_list = @{ $exp_dir_list_ref };
%ignored_metrics = %{$ignored_metrics_ref};
$total_user_errors += $option_errors;
#------------------------------------------------------------------------------
# If no option is given for the output directory, pick a default. Otherwise,
# if the output directory exists, wipe it clean in case the -O option is used.
# If not, flag an error because the -o option does not overwrite an existing
# directory.
#------------------------------------------------------------------------------
if ($total_user_errors == 0)
{
($option_errors, $outputdir) = set_up_output_directory ();
$abs_path_outputdir = cwd () . "/" . $outputdir;
$total_user_errors += $option_errors;
}
if ($total_user_errors == 0)
{
gp_message ("debug", $subr_name, "the output directory is $outputdir");
}
else
{
#------------------------------------------------------------------------------
# All command line errors and warnings are printed here.
#------------------------------------------------------------------------------
my $plural_or_single = ($total_user_errors > 1) ? "errors have" : "error has";
$message = $g_error_keyword;
$message .= $total_user_errors;
if ($rc_file_errors > 0)
{
$message .= " additional";
}
$message .= " fatal input $plural_or_single been detected:";
gp_message ("error", $subr_name, $message);
for my $key (keys @g_user_input_errors)
{
gp_message ("error", $subr_name, "$g_error_keyword $g_user_input_errors[$key]");
}
}
#------------------------------------------------------------------------------
# Bail out in case fatal errors have occurred.
#------------------------------------------------------------------------------
if ( ($rc_file_errors + $total_user_errors) > 0)
{
my $msg = "the current values for the user controllable settings";
print_user_settings ("debug", $msg);
gp_message ("abort", $subr_name, "execution terminated");
}
else
{
my $msg = "after parsing the user options, the final values are";
print_user_settings ("debug", $msg);
#------------------------------------------------------------------------------
# TBD: Enable once all planned features have been implemented and tested.
#------------------------------------------------------------------------------
# Temporarily disabled $msg = "the final values for the user controllable settings";
# Temporarily disabled print_table_user_settings ("verbose", $msg);
}
#------------------------------------------------------------------------------
# Print a list with the experiment directory names
#------------------------------------------------------------------------------
$pretty_dir_list = build_pretty_dir_list (\@exp_dir_list);
my $plural = ($#exp_dir_list > 0) ? "directories are" : "directory is";
gp_message ("verbose", $subr_name, "The experiment " . $plural . ":");
gp_message ("verbose", $subr_name, $pretty_dir_list);
#------------------------------------------------------------------------------
# Set up the first entry with the meta data for the experiments. This field
# contains the absolute paths to the experiment directories.
#------------------------------------------------------------------------------
for my $exp_dir (@exp_dir_list)
{
my ($filename, $directory_path, $ignore_suffix) = fileparse ($exp_dir);
gp_message ("debug", $subr_name, "exp_dir = $exp_dir");
gp_message ("debug", $subr_name, "filename = $filename");
gp_message ("debug", $subr_name, "directory_path = $directory_path");
$g_exp_dir_meta_data{$filename}{"directory_path"} = $directory_path;
}
#------------------------------------------------------------------------------
# Check whether the experiment directories are valid. If not, it is a fatal
# error.
# Upon successful return, one directory has been selected to be used in the
# remainder. This is not always the correct thing to do, but is the same as
# the original code. In due time this should be addressed though.
#------------------------------------------------------------------------------
($dir_check_errors, $archive_dir_not_empty, $selected_archive,
$elf_rats_ref) = check_validity_exp_dirs ($exp_dir_list_ref);
if ($dir_check_errors)
{
gp_message ("abort", $subr_name, "execution terminated");
}
else
{
gp_message ("verbose", $subr_name, "The experiment directories have been verified and are valid");
}
%elf_rats = %{$elf_rats_ref};
#-------------------------------------------------------------------------------
# Now that we know the map.xml file(s) are present, we can scan these and get
# the required information. This includes setting the base virtual address.
#-------------------------------------------------------------------------------
$ignore_value = determine_base_virtual_address ($exp_dir_list_ref);
#------------------------------------------------------------------------------
# Check whether the experiment directories are consistent.
#------------------------------------------------------------------------------
($consistency_errors, $executable_name) = verify_consistency_experiments ($exp_dir_list_ref);
if ($consistency_errors == 0)
{
gp_message ("verbose", $subr_name, "The experiment directories are consistent");
}
else
{
gp_message ("abort", $subr_name, "number of consistency errors detected: $consistency_errors");
}
#------------------------------------------------------------------------------
# The directories are consistent. We can now set the base virtual address of
# the executable.
#------------------------------------------------------------------------------
$base_va_executable = $g_exp_dir_meta_data{$selected_archive}{"va_base_in_hex"};
gp_message ("debug", $subr_name, "executable_name = $executable_name");
gp_message ("debug", $subr_name, "selected_archive = $selected_archive");
gp_message ("debug", $subr_name, "base_va_executable = $base_va_executable");
#------------------------------------------------------------------------------
# The $GP_DISPLAY_TEXT tool is critical and has to be available in order
# to proceed.
# This subroutine only returns a value if the tool can be found."
#------------------------------------------------------------------------------
$g_path_to_tools = ${ check_availability_tool (\$location_gp_command)};
$GP_DISPLAY_TEXT = $g_path_to_tools . $GP_DISPLAY_TEXT;
gp_message ("debug", $subr_name, "updated GP_DISPLAY_TEXT = $GP_DISPLAY_TEXT");
#------------------------------------------------------------------------------
# Check if $GP_DISPLAY_TEXT is executable for user, group, and other.
# If not, print a warning only, since this may not be fatal but could
# potentially lead to issues later on.
#------------------------------------------------------------------------------
if (not is_file_executable ($GP_DISPLAY_TEXT))
{
my $msg = "file $GP_DISPLAY_TEXT is not executable for user, group, and other";
gp_message ("warning", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Find out what the decimal separator is, as set by the user.
#------------------------------------------------------------------------------
($return_code, $decimal_separator, $convert_to_dot) =
determine_decimal_separator ();
if ($return_code == 0)
{
my $txt = "decimal separator is $decimal_separator " .
"(conversion to dot is " .
($convert_to_dot == $TRUE ? "enabled" : "disabled").")";
gp_message ("debugXL", $subr_name, $txt);
}
else
{
my $msg = "the decimal separator cannot be determined - set to $decimal_separator";
gp_message ("warning", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Collect and store the system information.
#------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Collect system information and adapt settings");
$return_code = get_system_config_info ();
#------------------------------------------------------------------------------
# The 3 variables below are used in the remainder.
#
# The output from "uname -p" is recommended to be used for the ISA.
#------------------------------------------------------------------------------
my $hostname_current = $local_system_config{hostname_current};
my $arch_uname_s = $local_system_config{kernel_name};
my $arch_uname = $local_system_config{processor};
gp_message ("debug", $subr_name, "set hostname_current = $hostname_current");
gp_message ("debug", $subr_name, "set arch_uname_s = $arch_uname_s");
gp_message ("debug", $subr_name, "set arch_uname = $arch_uname");
#-------------------------------------------------------------------------------
# This function also sets the values in "g_arch_specific_settings". This
# includes several definitions of regular expressions.
#-------------------------------------------------------------------------------
($architecture_supported, $elf_arch, $elf_support) =
set_system_specific_variables ($arch_uname, $arch_uname_s);
gp_message ("debug", $subr_name, "architecture_supported = $architecture_supported");
gp_message ("debug", $subr_name, "elf_arch = $elf_arch");
gp_message ("debug", $subr_name, "elf_support = ".($elf_arch ? "TRUE" : "FALSE"));
for my $feature (sort keys %g_arch_specific_settings)
{
gp_message ("debug", $subr_name, "g_arch_specific_settings{$feature} = $g_arch_specific_settings{$feature}");
}
$arch = $g_arch_specific_settings{"arch"};
$subexp = $g_arch_specific_settings{"subexp"};
$linksubexp = $g_arch_specific_settings{"linksubexp"};
$g_locale_settings{"LANG"} = get_LANG_setting ();
gp_message ("debugXL", $subr_name, "after get_LANG_setting: LANG = $g_locale_settings{'LANG'}");
#------------------------------------------------------------------------------
# Temporarily reset selected settings since these are not yet implemented.
#------------------------------------------------------------------------------
$ignore_value = reset_selected_settings ();
#------------------------------------------------------------------------------
# TBD: Revisit. Is this really necessary?
#------------------------------------------------------------------------------
($executable_name, $va_executable_in_hex) = check_loadobjects_are_elf ($selected_archive);
$elf_loadobjects_found = $TRUE;
# TBD: Hack and those ARCHIVES_ names can be eliminated
$ARCHIVES_MAP_NAME = $executable_name;
$ARCHIVES_MAP_VADDR = $va_executable_in_hex;
gp_message ("debugXL", $subr_name, "hack ARCHIVES_MAP_NAME = $ARCHIVES_MAP_NAME");
gp_message ("debugXL", $subr_name, "hack ARCHIVES_MAP_VADDR = $ARCHIVES_MAP_VADDR");
gp_message ("debugXL", $subr_name, "after call to check_loadobjects_are_elf forced elf_loadobjects_found = $elf_loadobjects_found");
$g_html_credits_line = ${ create_html_credits () };
gp_message ("debugXL", $subr_name, "g_html_credits_line = $g_html_credits_line");
#------------------------------------------------------------------------------
# Add a "/" to simplify the construction of path names in the remainder.
#
# TBD: Push this into a subroutine(s).
#------------------------------------------------------------------------------
$outputdir = append_forward_slash ($outputdir);
gp_message ("debug", $subr_name, "prepared outputdir = $outputdir");
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# ******* TBD: e.system not available on Linux!!
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
## my $summary_metrics = 'e.totalcpu';
$detail_metrics = 'e.totalcpu';
$detail_metrics_system = 'e.totalcpu:e.system';
$call_metrics = 'a.totalcpu';
my $cmd_options;
my $metrics_cmd;
my $outfile1 = $outputdir ."metrics";
my $outfile2 = $outputdir . "metrictotals";
my $gp_error_file = $outputdir . $g_gp_error_logfile;
#------------------------------------------------------------------------------
# Execute the $GP_DISPLAY_TEXT tool with the appropriate options. The goal is
# to get all the output in files $outfile1 and $outfile2. These are then
# parsed.
#------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Gather the metrics data from the experiments");
$return_code = get_metrics_data (\@exp_dir_list, $outputdir, $outfile1, $outfile2, $gp_error_file);
if ($return_code != 0)
{
gp_message ("abort", $subr_name, "execution terminated");
}
#------------------------------------------------------------------------------
# TBD: Test this code
#------------------------------------------------------------------------------
open (METRICS, "<", $outfile1)
or die ("$subr_name - unable to open metric value data file $outfile1 for reading: '$!'");
gp_message ("debug", $subr_name, "opened file $outfile1 for reading");
chomp (@metrics_data = <METRICS>);
close (METRICS);
for my $i (keys @metrics_data)
{
gp_message ("debugXL", $subr_name, "metrics_data[$i] = $metrics_data[$i]");
}
#------------------------------------------------------------------------------
# Process the generated metrics data.
#------------------------------------------------------------------------------
if ($g_user_settings{"default_metrics"}{"current_value"} eq "off")
#------------------------------------------------------------------------------
# The metrics will be derived from the experiments.
#------------------------------------------------------------------------------
{
gp_message ("verbose", $subr_name, "Process the metrics data");
($metric_value_ref, $metric_description_ref, $metric_found_ref,
$user_metrics, $system_metrics, $wall_metrics,
$summary_metrics, $detail_metrics, $detail_metrics_system, $call_metrics
) = process_metrics_data ($outfile1, $outfile2, \%ignored_metrics);
%metric_value = %{ $metric_value_ref };
%metric_description = %{ $metric_description_ref };
%metric_found = %{ $metric_found_ref };
%metric_description_reversed = reverse %metric_description;
gp_message ("debugXL", $subr_name, "after the call to process_metrics_data");
for my $metric (sort keys %metric_value)
{
gp_message ("debugXL", $subr_name, "metric_value{$metric} = $metric_value{$metric}");
}
for my $metric (sort keys %metric_description)
{
gp_message ("debugXL", $subr_name, "metric_description{$metric} = $metric_description{$metric}");
}
gp_message ("debugXL", $subr_name, "user_metrics = $user_metrics");
gp_message ("debugXL", $subr_name, "system_metrics = $system_metrics");
gp_message ("debugXL", $subr_name, "wall_metrics = $wall_metrics");
}
else
{
#------------------------------------------------------------------------------
# A default set of metrics will be used.
#
# TBD: These should be OS dependent.
#------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Select the set of default metrics");
($metric_description_ref, $metric_found_ref, $summary_metrics,
$detail_metrics, $detail_metrics_system, $call_metrics
) = set_default_metrics ($outfile1, \%ignored_metrics);
%metric_description = %{ $metric_description_ref };
%metric_found = %{ $metric_found_ref };
%metric_description_reversed = reverse %metric_description;
gp_message ("debug", $subr_name, "after the call to set_default_metrics");
}
$number_of_metrics = split (":", $summary_metrics);
gp_message ("debugXL", $subr_name, "summary_metrics = $summary_metrics");
gp_message ("debugXL", $subr_name, "detail_metrics = $detail_metrics");
gp_message ("debugXL", $subr_name, "detail_metrics_system = $detail_metrics_system");
gp_message ("debugXL", $subr_name, "call_metrics = $call_metrics");
gp_message ("debugXL", $subr_name, "number_of_metrics = $number_of_metrics");
#------------------------------------------------------------------------------
# TBD Find a way to better handle this situation:
#------------------------------------------------------------------------------
for my $im (keys %metric_found)
{
gp_message ("debugXL", $subr_name, "metric_found{$im} = $metric_found{$im}");
}
for my $im (keys %ignored_metrics)
{
if (not exists ($metric_found{$im}))
{
gp_message ("debugXL", $subr_name, "user requested ignored metric (-im) $im does not exist in collected metrics");
}
}
#------------------------------------------------------------------------------
# Get the information on the experiments.
#------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Generate the experiment information");
my $exp_info_file_ref;
my $exp_info_file;
my $exp_info_ref;
my @exp_info;
my $experiment_data_ref;
$experiment_data_ref = get_experiment_info (\$outputdir, \@exp_dir_list);
my @experiment_data = @{ $experiment_data_ref };
for my $i (sort keys @experiment_data)
{
my $msg = "i = $i " . $experiment_data[$i]{"exp_id"} . " => " .
$experiment_data[$i]{"exp_name_full"};
gp_message ("debugM", $subr_name, $msg);
}
$experiment_data_ref = process_experiment_info ($experiment_data_ref);
@experiment_data = @{ $experiment_data_ref };
for my $i (sort keys @experiment_data)
{
for my $fields (sort keys %{ $experiment_data[$i] })
{
my $msg = "i = $i experiment_data[$i]{$fields} = " .
$experiment_data[$i]{$fields};
gp_message ("debugXL", $subr_name, $msg);
}
}
@g_html_experiment_stats = @{ create_exp_info (
\@exp_dir_list,
\@experiment_data) };
$table_execution_stats_ref = html_generate_exp_summary (
\$outputdir,
\@experiment_data);
@table_execution_stats = @{ $table_execution_stats_ref };
#------------------------------------------------------------------------------
# Get the function overview.
#------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Generate the list with functions executed");
my ($outfile, $sort_fields_ref) = get_hot_functions (\@exp_dir_list, $summary_metrics, $outputdir);
@sort_fields = @{$sort_fields_ref};
#------------------------------------------------------------------------------
# Parse the output from the fsummary command and store the relevant data for
# all the functions listed there.
#------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Analyze and store the relevant function information");
($function_info_ref, $function_address_and_index_ref, $addressobjtextm_ref,
$LINUX_vDSO_ref, $function_view_structure_ref) = get_function_info ($outfile);
@function_info = @{ $function_info_ref };
%function_address_and_index = %{ $function_address_and_index_ref };
%addressobjtextm = %{ $addressobjtextm_ref };
%LINUX_vDSO = %{ $LINUX_vDSO_ref };
%function_view_structure = %{ $function_view_structure_ref };
for my $keys (0 .. $#function_info)
{
for my $fields (keys %{$function_info[$keys]})
{
gp_message ("debugXL", $subr_name,"$keys $fields $function_info[$keys]{$fields}");
}
}
for my $i (keys %addressobjtextm)
{
gp_message ("debugXL", $subr_name,"addressobjtextm{$i} = $addressobjtextm{$i}");
}
gp_message ("verbose", $subr_name, "Generate the files with function overviews and the callers-callees information");
$script_pc_metrics = generate_function_level_info (\@exp_dir_list,
$call_metrics,
$summary_metrics,
$outputdir,
$sort_fields_ref);
gp_message ("verbose", $subr_name, "Preprocess the files with the function level information");
$ignore_value = preprocess_function_files (
$metric_description_ref,
$script_pc_metrics,
$outputdir,
\@sort_fields);
gp_message ("verbose", $subr_name, "For each function, generate a set of files");
($function_info_ref, $function_address_info_ref, $addressobj_index_ref) = process_function_files (
\@exp_dir_list,
$executable_name,
$time_percentage_multiplier,
$summary_metrics,
$process_all_functions,
$elf_loadobjects_found,
$outputdir,
\@sort_fields,
\@function_info,
\%function_address_and_index,
\%LINUX_vDSO,
\%metric_description,
$elf_arch,
$base_va_executable,
$ARCHIVES_MAP_NAME, $ARCHIVES_MAP_VADDR, \%elf_rats);
@function_info = @{ $function_info_ref };
%function_address_info = %{ $function_address_info_ref };
%addressobj_index = %{ $addressobj_index_ref };
#-------------------------------------------------------------------------------------
# Parse the disassembly information and generate the html files.
#-------------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Parse the disassembly files and generate the html files");
$ignore_value = parse_dis_files (\$number_of_metrics, \@function_info,
\%function_address_and_index,
\$outputdir, \%addressobj_index);
#-------------------------------------------------------------------------------------
# Parse the source information and generate the html files.
#-------------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Parse the source files and generate the html files");
parse_source_files (\$number_of_metrics, \@function_info, \$outputdir);
#-------------------------------------------------------------------------------------
# Parse the caller-callee information and generate the html files.
#-------------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Process the caller-callee information and generate the html file");
#-------------------------------------------------------------------------------------
# Generate the caller-callee information.
#-------------------------------------------------------------------------------------
$ignore_value = generate_caller_callee (
\$number_of_metrics,
\@function_info,
\%function_view_structure,
\%function_address_info,
\%addressobjtextm,
\$outputdir);
#-------------------------------------------------------------------------------------
# Parse the calltree information and generate the html files.
#-------------------------------------------------------------------------------------
if ($g_user_settings{"calltree"}{"current_value"} eq "on")
{
my $msg = "Process the call tree information and generate the html file";
gp_message ("verbose", $subr_name, $msg);
$ignore_value = process_calltree (
\@function_info,
\%function_address_info,
\%addressobjtextm,
$outputdir);
}
#-------------------------------------------------------------------------------------
# TBD
#-------------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Generate the html file with the metrics information");
$ignore_value = process_metrics (
$outputdir,
\@sort_fields,
\%metric_description,
\%ignored_metrics);
#-------------------------------------------------------------------------------------
# Generate the function view html files.
#-------------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Generate the function view html files");
$html_first_metric_file_ref = generate_function_view (
\$outputdir,
\$summary_metrics,
\$number_of_metrics,
\@function_info,
\%function_view_structure,
\%function_address_info,
\@sort_fields,
\@exp_dir_list,
\%addressobjtextm);
$html_first_metric_file = ${ $html_first_metric_file_ref };
gp_message ("debugXL", $subr_name, "html_first_metric_file = $html_first_metric_file");
my $html_test = ${ generate_home_link ("left") };
gp_message ("debugXL", $subr_name, "html_test = $html_test");
my $number_of_warnings_ref = create_html_warnings_page (\$outputdir);
#-------------------------------------------------------------------------------------
# Generate the index.html file.
#-------------------------------------------------------------------------------------
gp_message ("verbose", $subr_name, "Generate the index.html file");
$ignore_value = generate_index (\$outputdir,
\$html_first_metric_file,
\$summary_metrics,
\$number_of_metrics,
\@function_info,
\%function_address_info,
\@sort_fields,
\@exp_dir_list,
\%addressobjtextm,
\%metric_description_reversed,
$number_of_warnings_ref,
\@table_execution_stats);
#-------------------------------------------------------------------------------------
# We're done. In debug mode, print the meta data for the experiment directories.
#-------------------------------------------------------------------------------------
$ignore_value = print_meta_data_experiments ("debug");
my $results_file = $abs_path_outputdir . "/index.html";
my $prologue_text = "Processing completed - view file $results_file in a browser";
gp_message ("diag", $subr_name, $prologue_text);
return (0);
} #-- End of subroutine main
#------------------------------------------------------------------------------
# Print a message after a failure in $GP_DISPLAY_TEXT.
#------------------------------------------------------------------------------
sub msg_display_text_failure
{
my $subr_name = get_my_name ();
my ($gp_display_text_cmd, $error_code, $error_file) = @_;
my $msg;
$msg = "error code = $error_code - failure executing the following command:";
gp_message ("error", $subr_name, $msg);
gp_message ("error", $subr_name, $gp_display_text_cmd);
$msg = "check file $error_file for more details";
gp_message ("error", $subr_name, $msg);
return (0);
} #-- End of subroutine msg_display_text_failure
#------------------------------------------------------------------------------
# If it is not present, add a "/" to the name of the argument. This is
# intended to be used for the name of the output directory and makes it
# easier to construct pathnames.
#------------------------------------------------------------------------------
sub append_forward_slash
{
my $subr_name = get_my_name ();
my ($input_string) = @_;
my $length_of_string = length ($input_string);
my $return_string = $input_string;
if (rindex ($input_string, "/") != $length_of_string-1)
{
$return_string .= "/";
}
return ($return_string);
} #-- End of subroutine append_forward_slash
#------------------------------------------------------------------------------
# Return a string with a comma separated list of directory names.
#------------------------------------------------------------------------------
sub build_pretty_dir_list
{
my $subr_name = get_my_name ();
my ($dir_list_ref) = @_;
my @dir_list = @{ $dir_list_ref};
my $pretty_dir_list = join ("\n", @dir_list);
return ($pretty_dir_list);
} #-- End of subroutine build_pretty_dir_list
#------------------------------------------------------------------------------
# Calculate the target address in hex by adding the instruction to the
# instruction address.
#------------------------------------------------------------------------------
sub calculate_target_hex_address
{
my $subr_name = get_my_name ();
my ($instruction_address, $instruction_offset) = @_;
my $dec_branch_target;
my $d1;
my $d2;
my $first_char;
my $length_of_string;
my $mask;
my $number_of_fields;
my $raw_hex_branch_target;
my $result;
if ($g_addressing_mode eq "64 bit")
{
$mask = "0xffffffffffffffff";
$number_of_fields = 16;
}
else
{
gp_message ("abort", $subr_name, "g_addressing_mode = $g_addressing_mode not supported\n");
}
$length_of_string = length ($instruction_offset);
$first_char = lcfirst (substr ($instruction_offset,0,1));
$d1 = bigint::hex ($instruction_offset);
$d2 = bigint::hex ($mask);
# if ($first_char eq "f")
if (($first_char =~ /[89a-f]/) and ($length_of_string == $number_of_fields))
{
#------------------------------------------------------------------------------
# The offset is negative. Convert to decimal and perform the subtrraction.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# XOR the decimal representation and add 1 to the result.
#------------------------------------------------------------------------------
$result = ($d1 ^ $d2) + 1;
$dec_branch_target = bigint::hex ($instruction_address) - $result;
}
else
{
$result = $d1;
$dec_branch_target = bigint::hex ($instruction_address) + $result;
}
#------------------------------------------------------------------------------
# Convert to hexadecimal.
#------------------------------------------------------------------------------
$raw_hex_branch_target = sprintf ("%x", $dec_branch_target);
return ($raw_hex_branch_target);
} #-- End of subroutine calculate_target_hex_address
#------------------------------------------------------------------------------
# Sets the absolute path to all commands in array @cmds. The commands and
# their respective paths are stored in hash "g_mapped_cmds".
#
# If no such mapping is found, a warning is issued, but execution continues.
# The warning(s) may help with troubleshooting, should a failure occur later.
#------------------------------------------------------------------------------
sub check_and_define_cmds
{
my $subr_name = get_my_name ();
my ($cmds_ref, $search_path_ref) = @_;
#------------------------------------------------------------------------------
# Dereference the array addressess first and then store the contents.
#------------------------------------------------------------------------------
my @cmds = @{$cmds_ref};
my @search_path = @{$search_path_ref};
my $found_match;
my $target_cmd;
my $failed_cmd;
my $no_of_failed_mappings;
my $failed_cmds;
gp_message ("debug", $subr_name, "\@cmds = @cmds");
gp_message ("debug", $subr_name, "\@search_path = @search_path");
#------------------------------------------------------------------------------
# Search for the command to be in the search path given. In case no such path
# can be found, the entry in $g_mapped_cmds is assigned a special value that
# will be checked for in the next block.
#------------------------------------------------------------------------------
for my $cmd (@cmds)
{
$found_match = $FALSE;
for my $path (@search_path)
{
$target_cmd = $path . "/" . $cmd;
if (-x $target_cmd)
{
$found_match = $TRUE;
$g_mapped_cmds{$cmd} = $target_cmd;
last;
}
}
if (not $found_match)
{
$g_mapped_cmds{$cmd} = "road_to_nowhere";
}
}
#------------------------------------------------------------------------------
# Scan the results stored in $g_mapped_cmds and flag errors.
#------------------------------------------------------------------------------
$no_of_failed_mappings = 0;
$failed_cmds = "";
while ( my ($cmd, $mapped) = each %g_mapped_cmds)
{
if ($mapped eq "road_to_nowhere")
{
my $msg = "cannot find a path for command $cmd - " .
"assume this will still work without a path";
gp_message ("warning", $subr_name, $msg);
$no_of_failed_mappings++;
$failed_cmds .= $cmd;
$g_mapped_cmds{$cmd} = $cmd;
}
else
{
gp_message ("debug", $subr_name, "path for the $cmd command is $mapped");
}
}
if ($no_of_failed_mappings != 0)
{
gp_message ("debug", $subr_name, "failed to find a mapping for $failed_cmds");
gp_message ("debug", $subr_name, "a total of $no_of_failed_mappings mapping failures");
}
return ($no_of_failed_mappings);
} #-- End of subroutine check_and_define_cmds
#------------------------------------------------------------------------------
# Look for a branch instruction, or the special endbr32/endbr64 instruction
# that is also considered to be a branch target. Note that the latter is x86
# specific.
#------------------------------------------------------------------------------
sub check_and_proc_dis_branches
{
my $subr_name = get_my_name ();
my ($input_line_ref, $line_no_ref, $branch_target_ref,
$extended_branch_target_ref, $branch_target_no_ref_ref) = @_;
my $input_line = ${ $input_line_ref };
my $line_no = ${ $line_no_ref };
my %branch_target = %{ $branch_target_ref };
my %extended_branch_target = %{ $extended_branch_target_ref };
my %branch_target_no_ref = %{ $branch_target_no_ref_ref };
my $found_it = $TRUE;
my $hex_branch_target;
my $instruction_address;
my $instruction_offset;
my $msg;
my $raw_hex_branch_target;
if ( ($input_line =~ /$g_branch_regex/)
or ($input_line =~ /$g_endbr_regex/))
{
if (defined ($3))
{
$msg = "found a branch or endbr instruction: " .
"\$1 = $1 \$2 = $2 \$3 = $3";
}
else
{
$msg = "found a branch or endbr instruction: " .
"\$1 = $1 \$2 = $2";
}
gp_message ("debugXL", $subr_name, $msg);
if (defined ($1))
{
#------------------------------------------------------------------------------
# Found a qualifying instruction
#------------------------------------------------------------------------------
$instruction_address = $1;
if (defined ($3))
{
#------------------------------------------------------------------------------
# This must be the branch target and needs to be converted and processed.
#------------------------------------------------------------------------------
$instruction_offset = $3;
$raw_hex_branch_target = calculate_target_hex_address (
$instruction_address,
$instruction_offset);
$hex_branch_target = "0x" . $raw_hex_branch_target;
$branch_target{$hex_branch_target} = 1;
$extended_branch_target{$instruction_address} = $raw_hex_branch_target;
}
if (defined ($2) and (not defined ($3)))
{
#------------------------------------------------------------------------------
# Unlike a branch, the endbr32/endbr64 instructions do not have a second field.
#------------------------------------------------------------------------------
my $instruction_name = $2;
if ($instruction_name =~ /$g_endbr_inst_regex/)
{
my $msg = "found endbr: $instruction_name " .
$instruction_address;
gp_message ("debugXL", $subr_name, $msg);
$raw_hex_branch_target = $instruction_address;
$hex_branch_target = "0x" . $raw_hex_branch_target;
$branch_target_no_ref{$instruction_address} = 1;
}
}
}
else
{
#------------------------------------------------------------------------------
# TBD: Perhaps this should be an assertion or alike.
#------------------------------------------------------------------------------
$branch_target{"0x0000"} = $FALSE;
gp_message ("debug", $subr_name, "cannot determine branch target");
}
}
else
{
$found_it = $FALSE;
}
return (\$found_it, \%branch_target, \%extended_branch_target,
\%branch_target_no_ref);
} #-- End of subroutine check_and_proc_dis_branches
#------------------------------------------------------------------------------
# Check an input line from the disassembly file to include a function call.
# If it does, process the line and return the branch target results.
#------------------------------------------------------------------------------
sub check_and_proc_dis_func_call
{
my $subr_name = get_my_name ();
my ($input_line_ref, $line_no_ref, $branch_target_ref,
$extended_branch_target_ref) = @_;
my $input_line = ${ $input_line_ref };
my $line_no = ${ $line_no_ref };
my %branch_target = %{ $branch_target_ref };
my %extended_branch_target = %{ $extended_branch_target_ref };
my $found_it = $TRUE;
my $hex_branch_target;
my $instruction_address;
my $instruction_offset;
my $msg;
my $raw_hex_branch_target;
if ( $input_line =~ /$g_function_call_v2_regex/ )
{
$msg = "found a function call - line[$line_no] = $input_line";
gp_message ("debugXL", $subr_name, $msg);
if (not defined ($2))
{
$msg = "line[$line_no] " .
"an instruction address is expected, but not found";
gp_message ("assertion", $subr_name, $msg);
}
else
{
$instruction_address = $2;
$msg = "instruction_address = $instruction_address";
gp_message ("debugXL", $subr_name, $msg);
if (not defined ($4))
{
$msg = "line[$line_no] " .
"an address offset is expected, but not found";
gp_message ("assertion", $subr_name, $msg);
}
else
{
$instruction_offset = $4;
if ($instruction_offset =~ /[0-9a-fA-F]+/)
{
$msg = "calculate branch target: " .
"instruction_address = $instruction_address";
gp_message ("debugXL", $subr_name, $msg);
$msg = "calculate branch target: " .
"instruction_offset = $instruction_offset";
gp_message ("debugXL", $subr_name, $msg);
#------------------------------------------------------------------------------
# The instruction offset needs to be converted and added to the instruction
# address.
#------------------------------------------------------------------------------
$raw_hex_branch_target = calculate_target_hex_address (
$instruction_address,
$instruction_offset);
$hex_branch_target = "0x" . $raw_hex_branch_target;
$msg = "calculated hex_branch_target = " .
$hex_branch_target;
gp_message ("debugXL", $subr_name, $msg);
$branch_target{$hex_branch_target} = 1;
$extended_branch_target{$instruction_address} = $raw_hex_branch_target;
$msg = "set branch_target{$hex_branch_target} to 1";
gp_message ("debugXL", $subr_name, $msg);
$msg = "added extended_branch_target{$instruction_address}" .
" = $extended_branch_target{$instruction_address}";
gp_message ("debugXL", $subr_name, $msg);
}
else
{
$msg = "line[$line_no] unknown address format";
gp_message ("assertion", $subr_name, $msg);
}
}
}
}
else
{
$found_it = $FALSE;
}
return (\$found_it, \%branch_target, \%extended_branch_target);
} #-- End of subroutine check_and_proc_dis_func_call
#------------------------------------------------------------------------------
# Check for the $GP_DISPLAY_TEXT tool to be available. This is a critical tool
# needed to provide the information. If it can not be found, execution is
# terminated.
#
# We first search foe this tool in the current execution directory. If it
# cannot be found there, use $PATH to try to locate it.
#------------------------------------------------------------------------------
sub check_availability_tool
{
my $subr_name = get_my_name ();
my ($location_gp_command_ref) = @_;
my $error_code;
my $error_occurred;
my $msg;
my $output_which_gp_display_text;
my $return_value;
my $target_cmd;
#------------------------------------------------------------------------------
# Get the path to gp-display-text.
#------------------------------------------------------------------------------
my ($error_occurred_ref, $return_value_ref) = find_path_to_gp_display_text (
$location_gp_command_ref
);
$error_occurred = ${ $error_occurred_ref};
$return_value = ${ $return_value_ref};
$msg = "error_occurred = $error_occurred return_value = $return_value";
gp_message ("debugXL", $subr_name, $msg);
if (not $error_occurred)
#------------------------------------------------------------------------------
# All is well and gp-display-text has been located.
#------------------------------------------------------------------------------
{
$g_path_to_tools = $return_value;
$msg = "located $GP_DISPLAY_TEXT in execution directory";
gp_message ("debug", $subr_name, $msg);
$msg = "g_path_to_tools = $g_path_to_tools";
gp_message ("debug", $subr_name, $msg);
}
else
#------------------------------------------------------------------------------
# Something went wrong, but perhaps we can still continue. Try to find
# $GP_DISPLAY_TEXT through the search path.
#------------------------------------------------------------------------------
{
$msg = "error accessing $GP_DISPLAY_TEXT: $return_value - " .
"run time behaviour may be undefined";
gp_message ("warning", $subr_name, $msg);
#------------------------------------------------------------------------------
# Check if we can find $GP_DISPLAY_TEXT in the search path.
#------------------------------------------------------------------------------
$msg = "check for $GP_DISPLAY_TEXT in search path";
gp_message ("debug", $subr_name, $msg);
$target_cmd = $g_mapped_cmds{"which"} . " $GP_DISPLAY_TEXT 2>&1";
($error_code, $output_which_gp_display_text) =
execute_system_cmd ($target_cmd);
if ($error_code == 0)
{
my ($gp_file_name, $gp_path, $suffix_not_used) =
fileparse ($output_which_gp_display_text);
$g_path_to_tools = $gp_path;
$msg = "using $GP_DISPLAY_TEXT in $g_path_to_tools instead";
gp_message ("warning", $subr_name, $msg);
$msg = "the $GP_DISPLAY_TEXT tool is in the search path";
gp_message ("debug", $subr_name, $msg);
$msg = "g_path_to_tools = $g_path_to_tools";
gp_message ("debug", $subr_name, $msg);
}
else
{
$msg = "failure to find $GP_DISPLAY_TEXT in the search path";
gp_message ("debug", $subr_name, $msg);
$msg = "fatal error executing command $target_cmd";
gp_message ("abort", $subr_name, $msg);
}
}
return (\$g_path_to_tools);
} #-- End of subroutine check_availability_tool
#------------------------------------------------------------------------------
# This function determines whether load objects are in ELF format.
#
# Compared to the original code, any input value other than 2 or 3 is rejected
# upfront. This not only reduces the nesting level, but also eliminates a
# possible bug.
#
# Also, by isolating the tests for the input files, another nesting level could
# be eliminated, further simplifying this still too complex code.
#------------------------------------------------------------------------------
sub check_loadobjects_are_elf
{
my $subr_name = get_my_name ();
my ($selected_archive) = @_;
my $hostname_current = $local_system_config{"hostname_current"};
my $arch = $local_system_config{"processor"};
my $arch_uname_s = $local_system_config{"kernel_name"};
my $extracted_information;
my $elf_magic_number;
my $executable_name;
my $va_executable_in_hex;
my $arch_exp;
my $hostname_exp;
my $os_exp;
my $os_exp_full;
my $archives_file;
my $rc_b;
my $file;
my $line;
my $name;
my $name_path;
my $foffset;
my $vaddr;
my $modes;
my $path_to_map_file;
my $path_to_log_file;
#------------------------------------------------------------------------------
# TBD: Parameterize and should be the first experiment directory from the list.
#------------------------------------------------------------------------------
$path_to_log_file = $g_exp_dir_meta_data{$selected_archive}{"directory_path"};
$path_to_log_file .= $selected_archive;
$path_to_log_file .= "/log.xml";
gp_message ("debug", $subr_name, "hostname_current = $hostname_current");
gp_message ("debug", $subr_name, "arch = $arch");
gp_message ("debug", $subr_name, "arch_uname_s = $arch_uname_s");
#------------------------------------------------------------------------------
# TBD
#
# This check can probably be removed since the presence of the log.xml file is
# checked for in an earlier phase.
#------------------------------------------------------------------------------
open (LOG_XML, "<", $path_to_log_file)
or die ("$subr_name - unable to open file $path_to_log_file for reading: '$!'");
gp_message ("debug", $subr_name, "opened file $path_to_log_file for reading");
while (<LOG_XML>)
{
$line = $_;
chomp ($line);
gp_message ("debug", $subr_name, "read line: $line");
#------------------------------------------------------------------------------
# Search for the first line starting with "<system". Bail out if found and
# parsed. These are two examples:
# <system hostname="ruud-vm" arch="x86_64" os="Linux 4.14.35-2025.400.8.el7uek.x86_64" pagesz="4096" npages="30871514">
# <system hostname="sca-m88-092-pd0" arch="sun4v" os="SunOS 5.11" pagesz="8192" npages="602963968">
#------------------------------------------------------------------------------
if ($line =~ /^\s*<system\s+/)
{
gp_message ("debug", $subr_name, "selected the following line from the log.xml file:");
gp_message ("debug", $subr_name, "$line");
if ($line =~ /.*\s+hostname="([^"]+)/)
{
$hostname_exp = $1;
gp_message ("debug", $subr_name, "extracted hostname_exp = $hostname_exp");
}
if ($line =~ /.*\s+arch="([^"]+)/)
{
$arch_exp = $1;
gp_message ("debug", $subr_name, "extracted arch_exp = $arch_exp");
}
if ($line =~ /.*\s+os="([^"]+)/)
{
$os_exp_full = $1;
#------------------------------------------------------------------------------
# Capture the first word only.
#------------------------------------------------------------------------------
if ($os_exp_full =~ /([^\s]+)/)
{
$os_exp = $1;
}
gp_message ("debug", $subr_name, "extracted os_exp = $os_exp");
}
last;
}
} #-- End of while loop
close (LOG_XML);
#------------------------------------------------------------------------------
# If the current system is identical to the system used in the experiment,
# we can return early. Otherwise we need to dig deeper.
#
# TBD: How about the other experiment directories?! This needs to be fixed.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "completed while loop");
gp_message ("debug", $subr_name, "hostname_exp = $hostname_exp");
gp_message ("debug", $subr_name, "arch_exp = $arch_exp");
gp_message ("debug", $subr_name, "os_exp = $os_exp");
#TBD: THIS DOES NOT CHECK IF ELF IS FOUND!
if (($hostname_current eq $hostname_exp) and
($arch eq $arch_exp) and
($arch_uname_s eq $os_exp))
{
gp_message ("debug", $subr_name, "early return: the hostname, architecture and OS match the current system");
gp_message ("debug", $subr_name, "FAKE THIS IS NOT THE CASE AND CONTINUE");
# FAKE return ($TRUE);
}
if (not $g_exp_dir_meta_data{$selected_archive}{"archive_is_empty"})
{
gp_message ("debug", $subr_name, "selected_archive = $selected_archive");
for my $i (sort keys %{$g_exp_dir_meta_data{$selected_archive}{"archive_files"}})
{
gp_message ("debug", $subr_name, "stored loadobject $i $g_exp_dir_meta_data{$selected_archive}{'archive_files'}{$i}");
}
}
#------------------------------------------------------------------------------
# Check if the selected experiment directory has archived files in ELF format.
# If not, use the information in map.xml to get the name of the executable
# and the virtual address.
#------------------------------------------------------------------------------
if ($g_exp_dir_meta_data{$selected_archive}{"archive_in_elf_format"})
{
gp_message ("debug", $subr_name, "the files in directory $selected_archive/archives are in ELF format");
gp_message ("debug", $subr_name, "IGNORE THIS AND USE MAP.XML");
## return ($TRUE);
}
gp_message ("debug", $subr_name, "the files in directory $selected_archive/archives are not in ELF format");
$path_to_map_file = $g_exp_dir_meta_data{$selected_archive}{"directory_path"};
$path_to_map_file .= $selected_archive;
$path_to_map_file .= "/map.xml";
open (MAP_XML, "<", $path_to_map_file)
or die ($subr_name, "unable to open file $path_to_map_file for reading: $!");
gp_message ("debug", $subr_name, "opened file $path_to_map_file for reading");
#------------------------------------------------------------------------------
# Scan the map.xml file. We need to find the name of the executable with the
# mode set to 0x005. For this entry we have to capture the virtual address.
#------------------------------------------------------------------------------
$extracted_information = $FALSE;
while (<MAP_XML>)
{
$line = $_;
chomp ($line);
gp_message ("debug", $subr_name, "MAP_XML read line = $line");
## if ($line =~ /^<event kind="map"\s.*vaddr="0x([0-9a-fA-F]+)"\s+ .*modes="0x([0-9]+)"\s.*name="(.*)".*>$/)
if ($line =~ /^<event kind="map"\s.*vaddr="0x([0-9a-fA-F]+)"\s+.*foffset="\+*0x([0-9a-fA-F]+)"\s.*modes="0x([0-9]+)"\s.*name="(.*)".*>$/)
{
gp_message ("debug", $subr_name, "target line = $line");
$vaddr = $1;
$foffset = $2;
$modes = $3;
$name_path = $4;
$name = get_basename ($name_path);
gp_message ("debug", $subr_name, "extracted vaddr = $vaddr foffset = $foffset modes = $modes");
gp_message ("debug", $subr_name, "extracted name_path = $name_path name = $name");
# $error_extracting_information = $TRUE;
$executable_name = $name;
my $result_VA = bigint::hex ($vaddr) - bigint::hex ($foffset);
my $hex_VA = sprintf ("0x%016x", $result_VA);
$va_executable_in_hex = $hex_VA;
gp_message ("debug", $subr_name, "set executable_name = $executable_name");
gp_message ("debug", $subr_name, "set va_executable_in_hex = $va_executable_in_hex");
gp_message ("debug", $subr_name, "result_VA = $result_VA");
gp_message ("debug", $subr_name, "hex_VA = $hex_VA");
if ($modes eq "005")
{
$extracted_information = $TRUE;
last;
}
}
}
if (not $extracted_information)
{
my $msg = "cannot find the necessary information in the $path_to_map_file file";
gp_message ("assertion", $subr_name, $msg);
}
## $executable_name = $ARCHIVES_MAP_NAME;
## $va_executable_in_hex = $ARCHIVES_MAP_VADDR;
return ($executable_name, $va_executable_in_hex);
} #-- End of subroutine check_loadobjects_are_elf
#------------------------------------------------------------------------------
# Compare the current metric values against the maximum values. Mark the line
# if a value is within the percentage defined by $hp_value.
#------------------------------------------------------------------------------
sub check_metric_values
{
my $subr_name = get_my_name ();
my ($metric_values, $max_metric_values_ref) = @_;
my @max_metric_values = @{ $max_metric_values_ref };
my @current_metrics = ();
my $colour_coded_line;
my $current_value;
my $hp_value = $g_user_settings{"highlight_percentage"}{"current_value"};
my $max_value;
my $relative_distance;
@current_metrics = split (" ", $metric_values);
$colour_coded_line = $FALSE;
for my $metric (0 .. $#current_metrics)
{
$current_value = $current_metrics[$metric];
if (exists ($max_metric_values[$metric]))
{
$max_value = $max_metric_values[$metric];
gp_message ("debugXL", $subr_name, "metric = $metric current_value = $current_value max_value = $max_value");
if ( ($max_value > 0) and ($current_value > 0) and ($current_value != $max_value) )
{
# TBD: abs needed?
gp_message ("debugXL", $subr_name, "metric = $metric current_value = $current_value max_value = $max_value");
$relative_distance = 1.00 - abs ( ($max_value - $current_value)/$max_value );
gp_message ("debugXL", $subr_name, "relative_distance = $relative_distance");
if ($relative_distance >= $hp_value/100.0)
{
gp_message ("debugXL", $subr_name, "metric $metric is within the relative_distance");
$colour_coded_line = $TRUE;
last;
}
}
}
} #-- End of loop over metrics
return (\$colour_coded_line);
} #-- End of subroutine check_metric_values
#------------------------------------------------------------------------------
# Check if the system is supported.
#------------------------------------------------------------------------------
sub check_support_for_processor
{
my $subr_name = get_my_name ();
my ($machine_ref) = @_;
my $machine = ${ $machine_ref };
my $is_supported;
if ($machine eq "x86_64")
{
$is_supported = $TRUE;
}
else
{
$is_supported = $FALSE;
}
return (\$is_supported);
} #-- End of subroutine check_support_for_processor
#------------------------------------------------------------------------------
# Check if the value for the user option given is valid.
#
# In case the value is valid, the g_user_settings table is updated.
# Otherwise an error message is printed.
#
# The return value is TRUE/FALSE.
#------------------------------------------------------------------------------
sub check_user_option
{
my $subr_name = get_my_name ();
my ($internal_option_name, $value) = @_;
my $message;
my $return_value;
my $option = $g_user_settings{$internal_option_name}{"option"};
my $data_type = $g_user_settings{$internal_option_name}{"data_type"};
my $no_of_arguments = $g_user_settings{$internal_option_name}{"no_of_arguments"};
if (($no_of_arguments >= 1) and
((not defined ($value)) or (length ($value) == 0)))
{
#------------------------------------------------------------------------------
# If there was no value given, but it is required, flag an error.
# There could also be a value, but it might be the empty string.
#
# Note that that there are currently no options with multiple values. Should
# these be introduced, the current check may need to be refined.
#------------------------------------------------------------------------------
$message = "the $option option requires a value";
push (@g_user_input_errors, $message);
$return_value = $FALSE;
}
elsif ($no_of_arguments >= 1)
{
#------------------------------------------------------------------------------
# There is an input value. Check if it is valid and if so, store it.
#
# Note that we allow the options to be case insensitive.
#------------------------------------------------------------------------------
my $valid = verify_if_input_is_valid ($value, $data_type);
if ($valid)
{
if (($data_type eq "onoff") or ($data_type eq "size"))
{
$g_user_settings{$internal_option_name}{"current_value"} = lc ($value);
}
else
{
$g_user_settings{$internal_option_name}{"current_value"} = $value;
}
$g_user_settings{$internal_option_name}{"defined"} = $TRUE;
$return_value = $TRUE;
}
else
{
$message = "incorrect value for $option option: $value";
push (@g_user_input_errors, $message);
$return_value = $FALSE;
}
}
return ($return_value);
} #-- End of subroutine check_user_option
#-------------------------------------------------------------------------------
# This subroutine performs multiple checks on the experiment directories. One
# or more failures are fatal.
#-------------------------------------------------------------------------------
sub check_validity_exp_dirs
{
my $subr_name = get_my_name ();
my ($exp_dir_list_ref) = @_;
my @exp_dir_list = @{ $exp_dir_list_ref };
my %elf_rats = ();
my $dir_not_found = $FALSE;
my $invalid_dir = $FALSE;
my $dir_check_errors = $FALSE;
my $missing_dirs = 0;
my $invalid_dirs = 0;
my $archive_dir_not_empty;
my $elf_magic_number;
my $archives_file;
my $archives_dir;
my $first_line;
my $count_exp_dir_not_elf;
my $first_time;
my $filename;
my $comment;
my $selected_archive_has_elf_format;
my $selected_archive;
my $archive_dir_selected;
my $no_of_files_in_selected_archive;
#-------------------------------------------------------------------------------
# Check if the experiment directories exist and are valid.
#-------------------------------------------------------------------------------
for my $exp_dir (@exp_dir_list)
{
if (not -d $exp_dir)
{
$dir_not_found = $TRUE;
$missing_dirs++;
gp_message ("error", $subr_name, "directory $exp_dir not found");
$dir_check_errors = $TRUE;
}
else
{
#-------------------------------------------------------------------------------
# Files log.xml and map.xml have to be there.
#-------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "directory $exp_dir found");
if ((-e $exp_dir."/log.xml") and (-e $exp_dir."/map.xml"))
{
gp_message ("debug", $subr_name, "directory $exp_dir appears to be a valid experiment directory");
}
else
{
$invalid_dir = $TRUE;
$invalid_dirs++;
gp_message ("debug", $subr_name, "file ".$exp_dir."/log.xml and/or ".$exp_dir."/map.xml missing");
gp_message ("error" , $subr_name, "directory $exp_dir does not appear to be a valid experiment directory");
$dir_check_errors = $TRUE;
}
}
}
if ($dir_not_found)
{
gp_message ("error", $subr_name, "a total of $missing_dirs directories not found");
}
if ($invalid_dir)
{
gp_message ("abort", $subr_name, "a total of $invalid_dirs directories are not valid");
}
#-------------------------------------------------------------------------------
# Initialize ELF status to FALSE.
#-------------------------------------------------------------------------------
## for my $exp_dir (@exp_dir_list)
for my $exp_dir (keys %g_exp_dir_meta_data)
{
$g_exp_dir_meta_data{$exp_dir}{"elf_format"} = $FALSE;
$g_exp_dir_meta_data{$exp_dir}{"archive_in_elf_format"} = $FALSE;
}
#-------------------------------------------------------------------------------
# Check if the load objects are in ELF format.
#-------------------------------------------------------------------------------
for my $exp_dir (keys %g_exp_dir_meta_data)
{
$archives_dir = $g_exp_dir_meta_data{$exp_dir}{"directory_path"} . $exp_dir . "/archives";
$archive_dir_not_empty = $FALSE;
$first_time = $TRUE;
$g_exp_dir_meta_data{$exp_dir}{"archive_is_empty"} = $TRUE;
$g_exp_dir_meta_data{$exp_dir}{"no_of_files_in_archive"} = 0;
gp_message ("debug", $subr_name, "g_exp_dir_meta_data{$exp_dir}{'archive_is_empty'} = $g_exp_dir_meta_data{$exp_dir}{'archive_is_empty'}");
gp_message ("debug", $subr_name, "checking $archives_dir");
while (glob ("$archives_dir/*"))
{
$filename = get_basename ($_);
gp_message ("debug", $subr_name, "processing file: $filename");
$g_exp_dir_meta_data{$exp_dir}{"archive_files"}{$filename} = $TRUE;
$g_exp_dir_meta_data{$exp_dir}{"no_of_files_in_archive"}++;
$archive_dir_not_empty = $TRUE;
#-------------------------------------------------------------------------------
# Replaces the ELF_RATS part in elf_phdr.
#
# Challenge: splittable_mrg.c_I0txnOW_Wn5
#
# TBD: Store this for each relevant experiment directory.
#-------------------------------------------------------------------------------
my $last_dot = rindex ($filename,".");
my $underscore_before_dot = $TRUE;
my $first_underscore = -1;
gp_message ("debugXL", $subr_name, "last_dot = $last_dot");
while ($underscore_before_dot)
{
$first_underscore = index ($filename, "_", $first_underscore+1);
if ($last_dot < $first_underscore)
{
$underscore_before_dot = $FALSE;
}
}
my $original_name = substr ($filename, 0, $first_underscore);
gp_message ("debug", $subr_name, "stripped archive name: $original_name");
if (not exists ($elf_rats{$original_name}))
{
$elf_rats{$original_name} = [$filename, $exp_dir];
}
#-------------------------------------------------------------------------------
# We only need to detect the presence of an object once.
#-------------------------------------------------------------------------------
if ($first_time)
{
$first_time = $FALSE;
$g_exp_dir_meta_data{$exp_dir}{"archive_is_empty"} = $FALSE;
gp_message ("debugXL", $subr_name, "g_exp_dir_meta_data{$exp_dir}{'archive_is_empty'} = $g_exp_dir_meta_data{$exp_dir}{'archive_is_empty'}");
}
}
} #-- End of loop over experiment directories
for my $exp_dir (sort keys %g_exp_dir_meta_data)
{
my $empty = $g_exp_dir_meta_data{$exp_dir}{"archive_is_empty"};
gp_message ("debug", $subr_name, "archive directory $exp_dir/archives is ".($empty ? "empty" : "not empty"));
}
#------------------------------------------------------------------------------
# Verify that all relevant files in the archive directories are in ELF format.
#------------------------------------------------------------------------------
for my $exp_dir (sort keys %g_exp_dir_meta_data)
{
$g_exp_dir_meta_data{$exp_dir}{"archive_in_elf_format"} = $FALSE;
if (not $g_exp_dir_meta_data{$exp_dir}{"archive_is_empty"})
{
$archives_dir = $g_exp_dir_meta_data{$exp_dir}{"directory_path"} . $exp_dir . "/archives";
gp_message ("debug", $subr_name, "exp_dir = $exp_dir archives_dir = $archives_dir");
#------------------------------------------------------------------------------
# Check if any of the loadobjects is of type ELF. Bail out on the first one
# found. The assumption is that all other loadobjects must be of type ELF too
# then.
#------------------------------------------------------------------------------
for my $aname (sort keys %{$g_exp_dir_meta_data{$exp_dir}{"archive_files"}})
{
$filename = $g_exp_dir_meta_data{$exp_dir}{"directory_path"} . $exp_dir . "/archives/" . $aname;
open (ARCF,"<", $filename)
or die ("unable to open file $filename for reading - '$!'");
$first_line = <ARCF>;
close (ARCF);
#------------------------------------------------------------------------------
# The first 4 hex fields in the header of an ELF file are: 7F 45 4c 46 (7FELF).
#
# See also https://en.wikipedia.org/wiki/Executable_and_Linkable_Format
#------------------------------------------------------------------------------
# if ($first_line =~ /^\177ELF.*/)
$elf_magic_number = unpack ('H8', $first_line);
# gp_message ("debug", $subr_name, "elf_magic_number = $elf_magic_number");
if ($elf_magic_number eq "7f454c46")
{
$g_exp_dir_meta_data{$exp_dir}{"archive_in_elf_format"} = $TRUE;
$g_exp_dir_meta_data{$exp_dir}{"elf_format"} = $TRUE;
last;
}
}
}
}
for my $exp_dir (sort keys %g_exp_dir_meta_data)
{
$comment = "the loadobjects in the archive in $exp_dir are ";
$comment .= ($g_exp_dir_meta_data{$exp_dir}{"archive_in_elf_format"}) ? "in " : "not in ";
$comment .= "ELF format";
gp_message ("debug", $subr_name, $comment);
}
for my $exp_dir (sort keys %g_exp_dir_meta_data)
{
if ($g_exp_dir_meta_data{$exp_dir}{"archive_is_empty"})
{
gp_message ("debug", $subr_name, "there are no archived files in $exp_dir");
}
}
#------------------------------------------------------------------------------
# If there are archived files and they are not in ELF format, a debug is
# issued.
#
# TBD: Bail out?
#------------------------------------------------------------------------------
$count_exp_dir_not_elf = 0;
for my $exp_dir (sort keys %g_exp_dir_meta_data)
{
if (not $g_exp_dir_meta_data{$exp_dir}{"archive_in_elf_format"})
{
$count_exp_dir_not_elf++;
}
}
if ($count_exp_dir_not_elf != 0)
{
gp_message ("debug", $subr_name, "there are $count_exp_dir_not_elf experiments with non-ELF load objects");
}
#------------------------------------------------------------------------------
# Select the experiment directory that is used for the files in the archive.
# By default, a directory with archived files is used, but in case this does
# not exist, a directory without archived files is selected. Obviously this
# needs to be dealt with later on.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Try the experiments with archived files first.
#------------------------------------------------------------------------------
$archive_dir_not_empty = $FALSE;
$archive_dir_selected = $FALSE;
## for my $exp_dir (sort @exp_dir_list)
for my $exp_dir (sort keys %g_exp_dir_meta_data)
{
gp_message ("debugXL", $subr_name, "exp_dir = $exp_dir");
gp_message ("debugXL", $subr_name, "g_exp_dir_meta_data{$exp_dir}{'archive_is_empty'}");
if (not $g_exp_dir_meta_data{$exp_dir}{"archive_is_empty"})
{
$selected_archive = $exp_dir;
$archive_dir_not_empty = $TRUE;
$archive_dir_selected = $TRUE;
$selected_archive_has_elf_format = ($g_exp_dir_meta_data{$exp_dir}{"archive_in_elf_format"}) ? $TRUE : $FALSE;
last;
}
}
if (not $archive_dir_selected)
#------------------------------------------------------------------------------
# None are found and pick the first one without archived files.
#------------------------------------------------------------------------------
{
for my $exp_dir (sort keys %g_exp_dir_meta_data)
{
if ($g_exp_dir_meta_data{$exp_dir}{"archive_is_empty"})
{
$selected_archive = $exp_dir;
$archive_dir_not_empty = $FALSE;
$archive_dir_selected = $TRUE;
$selected_archive_has_elf_format = $FALSE;
last;
}
}
}
gp_message ("debug", $subr_name, "experiment $selected_archive has been selected for archive analysis");
gp_message ("debug", $subr_name, "this archive is ". (($archive_dir_not_empty) ? "not empty" : "empty"));
gp_message ("debug", $subr_name, "this archive is ". (($selected_archive_has_elf_format) ? "in" : "not in")." ELF format");
#------------------------------------------------------------------------------
# Get the size of the hash that contains the archived files.
#------------------------------------------------------------------------------
## $NO_OF_FILES_IN_ARCHIVE = scalar (keys %ARCHIVES_FILES);
$no_of_files_in_selected_archive = $g_exp_dir_meta_data{$selected_archive}{"no_of_files_in_archive"};
gp_message ("debug", $subr_name, "number of files in archive $selected_archive is $no_of_files_in_selected_archive");
for my $exp_dir (sort keys %g_exp_dir_meta_data)
{
my $is_empty = $g_exp_dir_meta_data{$exp_dir}{"archive_is_empty"};
gp_message ("debug", $subr_name, "archive directory $exp_dir/archives is ".($is_empty ? "empty" : "not empty"));
}
for my $exp_dir (sort keys %g_exp_dir_meta_data)
{
if (not $g_exp_dir_meta_data{$exp_dir}{"archive_is_empty"})
{
for my $object (sort keys %{$g_exp_dir_meta_data{$exp_dir}{"archive_files"}})
{
gp_message ("debug", $subr_name, "$exp_dir $object $g_exp_dir_meta_data{$exp_dir}{'archive_files'}{$object}");
}
}
}
return ($dir_check_errors, $archive_dir_not_empty, $selected_archive, \%elf_rats);
} #-- End of subroutine check_validity_exp_dirs
#------------------------------------------------------------------------------
# Color the string and optionally mark it boldface.
#
# For supported colors, see:
# https://www.w3schools.com/colors/colors_names.asp
#------------------------------------------------------------------------------
sub color_string
{
my $subr_name = get_my_name ();
my ($input_string, $boldface, $color) = @_;
my $colored_string;
$colored_string = "<font color='" . $color . "'>";
if ($boldface)
{
$colored_string .= "<b>";
}
$colored_string .= $input_string;
if ($boldface)
{
$colored_string .= "</b>";
}
$colored_string .= "</font>";
return ($colored_string);
} #-- End of subroutine color_string
#------------------------------------------------------------------------------
# Generate the array with the info on the experiment(s).
#------------------------------------------------------------------------------
sub create_exp_info
{
my $subr_name = get_my_name ();
my ($experiment_dir_list_ref, $experiment_data_ref) = @_;
my @experiment_dir_list = @{ $experiment_dir_list_ref };
my @experiment_data = @{ $experiment_data_ref };
my @experiment_stats_html = ();
my $experiment_stats_line;
my $plural;
$plural = ($#experiment_dir_list > 0) ? "s:" : ":";
$experiment_stats_line = "<h3>\n";
$experiment_stats_line .= "Full pathnames to the input experiment" . $plural . "\n";
$experiment_stats_line .= "</h3>\n";
$experiment_stats_line .= "<pre>\n";
for my $i (0 .. $#experiment_dir_list)
{
$experiment_stats_line .= $experiment_dir_list[$i] . " (" . $experiment_data[$i]{"start_date"} . ")\n";
}
$experiment_stats_line .= "</pre>\n";
push (@experiment_stats_html, $experiment_stats_line);
gp_message ("debugXL", $subr_name, "experiment_stats_line = $experiment_stats_line --");
return (\@experiment_stats_html);
} #-- End of subroutine create_exp_info
#------------------------------------------------------------------------------
# Trivial function to generate a tag. This has been made a function to ensure
# consistency creating tags and also make it easier to change them.
#------------------------------------------------------------------------------
sub create_function_tag
{
my $subr_name = get_my_name ();
my ($tag_id) = @_;
my $function_tag = "function_tag_" . $tag_id;
return ($function_tag);
} #-- End of subroutine create_function_tag
#------------------------------------------------------------------------------
# Generate and return a string with the credits. Note that this also ends
# the HTML formatting controls.
#------------------------------------------------------------------------------
sub create_html_credits
{
my $subr_name = get_my_name ();
my $msg;
my $the_date;
my @months = qw (January February March April May June July August September October November December);
my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) = localtime ();
$year += 1900;
$the_date = $months[$mon] . " " . $mday . ", " . $year;
$msg = "<i>\n";
$msg .= "Output generated by the $driver_cmd command ";
$msg .= "on $the_date ";
$msg .= "(GNU binutils version " . $binutils_version . ")";
$msg .= "\n";
$msg .= "</i>";
gp_message ("debug", $subr_name, "the date = $the_date");
return (\$msg);
} #-- End of subroutine create_html_credits
#------------------------------------------------------------------------------
# Generate a string that contains all the necessary HTML header information,
# plus a title.
#
# See also https://www.w3schools.com for the details on the features used.
#------------------------------------------------------------------------------
sub create_html_header
{
my $subr_name = get_my_name ();
my ($title_ref) = @_;
my $title = ${ $title_ref };
my $LANG = $g_locale_settings{"LANG"};
my $background_color = $g_html_color_scheme{"background_color_page"};
my $html_header;
$html_header = "<!DOCTYPE html public \"-//w3c//dtd html 3.2//en\">\n";
$html_header .= "<html lang=\"$LANG\">\n";
$html_header .= "<head>\n";
$html_header .= "<meta http-equiv=\"content-type\" content=\"text/html; charset=iso-8859-1\">\n";
$html_header .= "<title>" . $title . "</title>\n";
$html_header .= "</head>\n";
$html_header .= "<body lang=\"$LANG\" bgcolor=". $background_color . ">\n";
$html_header .= "<style>\n";
$html_header .= "div.left {\n";
$html_header .= "text-align: left;\n";
$html_header .= "}\n";
$html_header .= "div.right {\n";
$html_header .= "text-align: right;\n";
$html_header .= "}\n";
$html_header .= "div.center {\n";
$html_header .= "text-align: center;\n";
$html_header .= "}\n";
$html_header .= "div.justify {\n";
$html_header .= "text-align: justify;\n";
$html_header .= "}\n";
$html_header .= "</style>";
return (\$html_header);
} #-- End of subroutine create_html_header
#------------------------------------------------------------------------------
# Create an HTML page with the warnings. If there are no warnings, include
# line to this extent. The alternative is to supporess the entire page, but
# that breaks the consistency in the output.
#------------------------------------------------------------------------------
sub create_html_warnings_page
{
my $subr_name = get_my_name ();
my ($outputdir_ref) = @_;
my $outputdir = ${ $outputdir_ref };
my $file_title;
my $html_acknowledgement;
my $html_end;
my $html_header;
my $html_home_left;
my $html_home_right;
my $html_title_header;
my $msg_no_warnings = "There are no warning messages issued.";
my $page_title;
my $position_text;
my $size_text;
my $outfile = $outputdir . $g_html_base_file_name{"warnings"} . ".html";
gp_message ("debug", $subr_name, "outfile = $outfile");
open (WARNINGS_OUT, ">", $outfile)
or die ("unable to open $outfile for writing - '$!'");
gp_message ("debug", $subr_name, "opened file $outfile for writing");
gp_message ("debug", $subr_name, "building warning file $outfile");
#------------------------------------------------------------------------------
# Get the number of warnings and in debug mode, print the list.
#------------------------------------------------------------------------------
my $number_of_warnings = scalar (@g_warning_messages);
gp_message ("debug", $subr_name, "number_of_warnings = $number_of_warnings");
if ($number_of_warnings > 0)
{
for my $i (0 .. $#g_warning_messages)
{
print "$g_warning_messages[$i]\n";
my $msg = "g_warning_messages[$i] = $g_warning_messages[$i]";
gp_message ("debug", $subr_name, $msg);
}
}
#------------------------------------------------------------------------------
# Generate some of the structures used in the HTML output.
#------------------------------------------------------------------------------
$file_title = "Warning messages";
$html_header = ${ create_html_header (\$file_title) };
$html_home_right = ${ generate_home_link ("right") };
$page_title = "Warning Messages";
$size_text = "h2";
$position_text = "center";
$html_title_header = ${ generate_a_header (\$page_title, \$size_text, \$position_text) };
#-------------------------------------------------------------------------------
# Get the acknowledgement, return to main link, and final html statements.
#-------------------------------------------------------------------------------
$html_home_left = ${ generate_home_link ("left") };
$html_acknowledgement = ${ create_html_credits () };
$html_end = ${ terminate_html_document () };
#-------------------------------------------------------------------------------
# Generate the HTML file.
#-------------------------------------------------------------------------------
print WARNINGS_OUT $html_header;
print WARNINGS_OUT $html_home_right;
print WARNINGS_OUT $html_title_header;
if ($number_of_warnings > 0)
{
print WARNINGS_OUT "<pre>\n";
print WARNINGS_OUT "$_\n" for @g_warning_messages;
print WARNINGS_OUT "</pre>\n";
}
else
{
print WARNINGS_OUT $msg_no_warnings;
}
print WARNINGS_OUT $html_home_left;
print WARNINGS_OUT "<br>\n";
print WARNINGS_OUT $html_acknowledgement;
print WARNINGS_OUT $html_end;
close (WARNINGS_OUT);
return (\$number_of_warnings);
} #-- End of subroutine create_html_warnings_page
#-------------------------------------------------------------------------------
# Create a complete table.
#-------------------------------------------------------------------------------
sub create_table
{
my $subr_name = get_my_name ();
my ($experiment_data_ref, $table_definition_ref) = @_;
my @experiment_data = @{ $experiment_data_ref };
my @table_definition = @{ $table_definition_ref };
my @html_exp_table_data = ();
my $html_header_line;
my $html_table_line;
my $html_end_table;
$html_header_line = ${ create_table_header_exp (\@experiment_data) };
push (@html_exp_table_data, $html_header_line);
for my $i (sort keys @table_definition)
{
$html_table_line = ${ create_table_entry_exp (\$table_definition[$i]{"name"},
\$table_definition[$i]{"key"}, \@experiment_data) };
push (@html_exp_table_data, $html_table_line);
my $msg = "i = $i html_table_line = $html_table_line";
gp_message ("debugXL", $subr_name, $msg);
}
$html_end_table = "</table>\n";
push (@html_exp_table_data, $html_end_table);
return (\@html_exp_table_data);
} #-- End of subroutine create_table
#-------------------------------------------------------------------------------
# Create one row for the table with experiment info.
#-------------------------------------------------------------------------------
sub create_table_entry_exp
{
my $subr_name = get_my_name ();
my ($entry_name_ref, $key_ref, $experiment_data_ref) = @_;
my $entry_name = ${ $entry_name_ref };
my $key = ${ $key_ref };
my @experiment_data = @{ $experiment_data_ref };
gp_message ("debugXL", $subr_name, "entry_name = $entry_name key = $key");
my $html_line;
$html_line = "<tr><div class=\"left\"><td><b> ";
$html_line = "<tr><div class=\"right\"><td><b> ";
$html_line .= $entry_name;
$html_line .= " </b></td>";
for my $i (sort keys @experiment_data)
{
if (exists ($experiment_data[$i]{$key}))
{
$html_line .= "<td> " . $experiment_data[$i]{$key} . " </td>";
}
else
{
## gp_message ("assertion", $subr_name, "experiment_data[$i]{$key} does not exist");
gp_message ("warning", $subr_name, "experiment_data[$i]{$key} does not exist");
}
}
$html_line .= "</div></tr>\n";
gp_message ("debugXL", $subr_name, "return html_line = $html_line");
return (\$html_line);
} #-- End of subroutine create_table_entry_exp
#-------------------------------------------------------------------------------
# Create the table header for the experiment info.
#-------------------------------------------------------------------------------
sub create_table_header_exp
{
my $subr_name = get_my_name ();
my ($experiment_data_ref) = @_;
my @experiment_data = @{ $experiment_data_ref };
my $html_header_line;
$html_header_line = "<style>\n";
$html_header_line .= "table, th, td {\n";
$html_header_line .= "border: 1px solid black;\n";
$html_header_line .= "border-collapse: collapse;\n";
$html_header_line .= "}\n";
$html_header_line .= "</style>\n";
$html_header_line .= "</pre>\n";
$html_header_line .= "<table>\n";
$html_header_line .= "<tr><div class=\"center\"><th></th>";
for my $i (sort keys @experiment_data)
{
$html_header_line .= "<th> Experiment ID " . $experiment_data[$i]{"exp_id"} . " </th>";
}
$html_header_line .= "</div></tr>\n";
gp_message ("debugXL", $subr_name, "html_header_line = $html_header_line");
return (\$html_header_line);
} #-- End of subroutine create_table_header_exp
#-------------------------------------------------------------------------------
# Handle where the output should go. If needed, a directory is created where
# the results will go.
#-------------------------------------------------------------------------------
sub define_the_output_directory
{
my $subr_name = get_my_name ();
my ($define_new_output_dir, $overwrite_output_dir) = @_;
my $outputdir;
#-------------------------------------------------------------------------------
# If neither -o or -O are set, find the next number to be used in the name for
# the default output directory.
#-------------------------------------------------------------------------------
if ((not $define_new_output_dir) and (not $overwrite_output_dir))
{
my $dir_id = 1;
while (-d "er.".$dir_id.".html")
{ $dir_id++; }
$outputdir = "er.".$dir_id.".html";
}
if (-d $outputdir)
{
#-------------------------------------------------------------------------------
# The -o option is used, but the directory already exists.
#-------------------------------------------------------------------------------
if ($define_new_output_dir)
{
gp_message ("error", $subr_name, "directory $outputdir already exists");
gp_message ("abort", $subr_name, "use the -O option to overwrite an existing directory");
}
#-------------------------------------------------------------------------------
# This is a bit risky, so we proceed with caution. The output directory exists,
# but it is okay to overwrite it. It is removed here and created again below.
#-------------------------------------------------------------------------------
elsif ($overwrite_output_dir)
{
my $target_cmd = $g_mapped_cmds{"rm"};
my $rm_output = qx ($target_cmd -rf $outputdir);
my $error_code = ${^CHILD_ERROR_NATIVE};
if ($error_code != 0)
{
gp_message ("error", $subr_name, $rm_output);
gp_message ("abort", $subr_name, "fatal error when trying to remove $outputdir");
}
else
{
gp_message ("debug", $subr_name, "directory $outputdir has been removed");
}
}
}
#-------------------------------------------------------------------------------
# When we get here, the fatal scenarios have been cleared and the name for
# $outputdir is known. Time to create it.
#-------------------------------------------------------------------------------
if (mkdir ($outputdir, 0777))
{
gp_message ("debug", $subr_name, "created output directory $outputdir");
}
else
{
gp_message ("abort", $subr_name, "a fatal problem occurred when creating directory $outputdir");
}
return ($outputdir);
} #-- End of subroutine define_the_output_directory
#------------------------------------------------------------------------------
# Return the virtual address for the load object.
#
# Note that at this point, $elf_arch is known to be supported.
#
# TBD: Duplications?
#------------------------------------------------------------------------------
sub determine_base_va_address
{
my $subr_name = get_my_name ();
my ($executable_name, $base_va_executable, $loadobj, $routine) = @_;
my $name_loadobject;
my $base_va_address;
gp_message ("debugXL", $subr_name, "base_va_executable = $base_va_executable");
gp_message ("debugXL", $subr_name, "loadobj = $loadobj");
gp_message ("debugXL", $subr_name, "routine = $routine");
#------------------------------------------------------------------------------
# Strip the pathname from the load object name.
#------------------------------------------------------------------------------
$name_loadobject = get_basename ($loadobj);
#------------------------------------------------------------------------------
# If the load object is the executable, return the base address determined
# earlier. Otherwise return 0x0. Note that I am not sure if this is always
# the right thing to do, but for .so files it seems to work out fine.
#------------------------------------------------------------------------------
if ($name_loadobject eq $executable_name)
{
$base_va_address = $base_va_executable;
}
else
{
$base_va_address = "0x0";
}
my $decimal_address = bigint::hex ($base_va_address);
gp_message ("debugXL", $subr_name, "return base_va_address = $base_va_address (decimal: $decimal_address)");
return ($base_va_address);
} #-- End of subroutine determine_base_va_address
#-------------------------------------------------------------------------------
# Now that we know the map.xml file(s) are present, we can scan these and get
# the required information.
#-------------------------------------------------------------------------------
sub determine_base_virtual_address
{
my $subr_name = get_my_name ();
my ($exp_dir_list_ref) = @_;
my @exp_dir_list = @{ $exp_dir_list_ref };
my $full_path_exec;
my $executable_name;
my $va_executable_in_hex;
my $path_to_map_file;
for my $exp_dir (keys %g_exp_dir_meta_data)
{
$path_to_map_file = $g_exp_dir_meta_data{$exp_dir}{"directory_path"};
$path_to_map_file .= $exp_dir;
$path_to_map_file .= "/map.xml";
($full_path_exec, $executable_name, $va_executable_in_hex) = extract_info_from_map_xml ($path_to_map_file);
$g_exp_dir_meta_data{$exp_dir}{"full_path_exec"} = $full_path_exec;
$g_exp_dir_meta_data{$exp_dir}{"exec_name"} = $executable_name;
$g_exp_dir_meta_data{$exp_dir}{"va_base_in_hex"} = $va_executable_in_hex;
gp_message ("debug", $subr_name, "exp_dir = $exp_dir");
gp_message ("debug", $subr_name, "full_path_exece = $full_path_exec");
gp_message ("debug", $subr_name, "executable_name = $executable_name");
gp_message ("debug", $subr_name, "va_executable_in_hex = $va_executable_in_hex");
}
return (0);
} #-- End of subroutine determine_base_virtual_address
#------------------------------------------------------------------------------
# Determine whether the decimal separator is a point or a comma.
#------------------------------------------------------------------------------
sub determine_decimal_separator
{
my $subr_name = get_my_name ();
my $ignore_count;
my $decimal_separator;
my $convert_to_dot;
my $field;
my $target_found;
my $error_code;
my $cmd_output;
my $target_cmd;
my @locale_info;
my $default_decimal_separator = "\\.";
$target_cmd = $g_mapped_cmds{locale} . " -k LC_NUMERIC";
($error_code, $cmd_output) = execute_system_cmd ($target_cmd);
if ($error_code != 0)
#-------------------------------------------------------------------------------
# This is unlikely to happen, but you never know. To reduce the nesting level,
# return right here in case of an error.
#-------------------------------------------------------------------------------
{
gp_message ("error", $subr_name, "failure to execute the command $target_cmd");
$convert_to_dot = $TRUE;
return ($error_code, $default_decimal_separator, $convert_to_dot);
}
#-------------------------------------------------------------------------------
# Scan the locale info and search for the target line of the form
# decimal_point="<target>" where <target> is either a dot, or a comma.
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
# Split the output into the different lines and scan for the line we need.
#-------------------------------------------------------------------------------
@locale_info = split ("\n", $cmd_output);
$target_found = $FALSE;
for my $line (@locale_info)
{
chomp ($line);
gp_message ("debug", $subr_name, "line from locale_info = $line");
if ($line =~ /decimal_point=/)
{
#-------------------------------------------------------------------------------
# Found the target line. Split this line to get the value field.
#-------------------------------------------------------------------------------
my @split_line = split ("=", $line);
#-------------------------------------------------------------------------------
# There should be 2 fields. If not, something went wrong.
#-------------------------------------------------------------------------------
if (scalar @split_line != 2)
{
# if (scalar @split_line == 2) {
# $target_found = $FALSE;
#-------------------------------------------------------------------------------
# Remove the newline before printing the variables.
#-------------------------------------------------------------------------------
$ignore_count = chomp ($line);
$ignore_count = chomp (@split_line);
gp_message ("debug", $subr_name, "warning - line $line matches the search, but the decimal separator has the wrong format");
gp_message ("debug", $subr_name, "warning - the splitted line is [@split_line] and does not contain 2 fields");
gp_message ("debug", $subr_name, "warning - the default decimal separator will be used");
}
else
{
#-------------------------------------------------------------------------------
# We know there are 2 fields and the second one has the decimal point.
#-------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "split_line[1] = $split_line[1]");
chomp ($split_line[1]);
$field = $split_line[1];
if (length ($field) != 3)
#-------------------------------------------------------------------------------
# The field still includes the quotes. Check if the string has length 3, which
# should be the case, but if not, we flag an error. The error code is set such
# that the callee will know a problem has occurred.
#-------------------------------------------------------------------------------
{
gp_message ("error", $subr_name, "unexpected output from the $target_cmd command: $field");
$error_code = 1;
last;
}
gp_message ("debug", $subr_name, "field = ->$field<-");
if (($field eq "\".\"") or ($field eq "\",\""))
#-------------------------------------------------------------------------------
# Found the separator. Capture the character between the quotes.
#-------------------------------------------------------------------------------
{
$target_found = $TRUE;
$decimal_separator = substr ($field,1,1);
gp_message ("debug", $subr_name, "decimal_separator = $decimal_separator--end skip loop");
last;
}
}
}
}
if (not $target_found)
{
$decimal_separator = $default_decimal_separator;
gp_message ("warning", $subr_name, "cannot determine the decimal separator - use the default $decimal_separator");
}
if ($decimal_separator ne ".")
{
$convert_to_dot = $TRUE;
}
else
{
$convert_to_dot = $FALSE;
}
$decimal_separator = "\\".$decimal_separator;
$g_locale_settings{"decimal_separator"} = $decimal_separator;
$g_locale_settings{"convert_to_dot"} = $convert_to_dot;
return ($error_code, $decimal_separator, $convert_to_dot);
} #-- End of subroutine determine_decimal_separator
#------------------------------------------------------------------------------
# TBD
#------------------------------------------------------------------------------
sub dump_function_info
{
my $subr_name = get_my_name ();
my ($function_info_ref, $name) = @_;
my %function_info = %{$function_info_ref};
my $kip;
gp_message ("debug", $subr_name, "function_info for $name");
$kip = 0;
for my $farray ($function_info{$name})
{
for my $elm (@{$farray})
{
gp_message ("debug", $subr_name, "$kip: routine = ${$elm}{'routine'}");
for my $key (sort keys %{$elm})
{
if ($key eq "routine")
{
next;
}
gp_message ("debug", $subr_name, "$kip: $key = ${$elm}{$key}");
}
$kip++;
}
}
return (0);
} #-- End of subroutine dump_function_info
#------------------------------------------------------------------------------
# This is an early scan to find the settings for some options very early on.
# For practical reasons the main option parsing and handling is done later,
# but without this early scan, these options will not be enabled until later
# in the execution.
#
# This early scan fixes that, but it is not very elegant to do it this way
# and in the future, this will be improved. For now it gets the job done.
#------------------------------------------------------------------------------
sub early_scan_specific_options
{
my $subr_name = get_my_name ();
my @options_with_value = qw /verbose warnings debug quiet/;
my $target_option;
my $ignore_value;
my $found_option;
my $option_requires_value;
my $option_value;
my $valid_input;
my @error_messages = ();
$option_requires_value = $TRUE;
for (@options_with_value)
{
$target_option = $_;
($found_option, $option_value) = find_target_option (
\@ARGV,
$option_requires_value,
$target_option);
if ($found_option)
{
#------------------------------------------------------------------------------
# This part has been set up such that we can support other options too, should
# this become necessary.
#
# A necessary, but limited check for the validity of a value is performed.
# This avoids that an error message shows up twice later on.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# All option values are converted to lower case. This makes the checks easier.
#------------------------------------------------------------------------------
if ($target_option eq "verbose")
{
my $verbose_value = lc ($option_value);
$valid_input = verify_if_input_is_valid ($verbose_value, "onoff");
if ($valid_input)
{
$g_verbose = ($verbose_value eq "on") ? $TRUE : $FALSE;
if ($verbose_value eq "on")
#------------------------------------------------------------------------------
# Set the status and disable output buffering in verbose mode.
#------------------------------------------------------------------------------
{
$g_user_settings{"verbose"}{"current_value"} = "on";
STDOUT->autoflush (1);
}
elsif ($verbose_value eq "off")
{
$g_user_settings{"verbose"}{"current_value"} = "off";
}
}
else
{
my $msg = "$option_value is not supported for the verbose option";
push (@error_messages, $msg);
}
}
elsif ($target_option eq "warnings")
{
my $warnings_value = lc ($option_value);
$valid_input = verify_if_input_is_valid ($warnings_value, "onoff");
if ($valid_input)
{
$g_warnings = ($warnings_value eq "on") ? $TRUE : $FALSE;
if ($warnings_value eq "on")
#------------------------------------------------------------------------------
# Set the status and disable output buffering if warnings are enabled.
#------------------------------------------------------------------------------
{
$g_user_settings{"warnings"}{"current_value"} = "on";
STDOUT->autoflush (1);
}
elsif ($warnings_value eq "off")
{
$g_user_settings{"warnings"}{"current_value"} = "off";
}
}
else
{
my $msg = "$option_value is not supported for the warnings option";
push (@error_messages, $msg);
}
}
elsif ($target_option eq "quiet")
{
my $quiet_value = lc ($option_value);
$valid_input = verify_if_input_is_valid ($option_value, "onoff");
if ($valid_input)
{
$g_quiet = ($quiet_value eq "on") ? $TRUE : $FALSE;
if ($quiet_value eq "on")
{
$g_user_settings{"quiet"}{"current_value"} = "on";
}
elsif ($quiet_value eq "off")
{
$g_user_settings{"quiet"}{"current_value"} = "off";
}
}
else
{
my $msg = "$option_value is not supported for the quiet option";
push (@error_messages, $msg);
}
}
elsif ($target_option eq "debug")
{
my $debug_value = lc ($option_value);
$valid_input = verify_if_input_is_valid ($debug_value, "size");
if ($valid_input)
{
if ($debug_value ne "off")
#------------------------------------------------------------------------------
# Disable output buffering in debug mode.
#------------------------------------------------------------------------------
{
$g_user_settings{"debug"}{"current_value"} = "on";
STDOUT->autoflush (1);
}
#------------------------------------------------------------------------------
# This function also sets $g_user_settings{"debug"}{"current_value"}.
#------------------------------------------------------------------------------
my $ignore_value = set_debug_size (\$debug_value);
}
else
{
my $msg = "$option_value is not supported for the debug option";
push (@error_messages, $msg);
}
}
else
{
my $msg = "target option $target_option not expected";
gp_message ("assertion", $subr_name, $msg);
}
}
}
#------------------------------------------------------------------------------
# Check for input errors.
#------------------------------------------------------------------------------
my $input_errors = scalar (@error_messages);
if ($input_errors > 0)
{
my $plural = ($input_errors == 1) ?
"is one error" : "are $input_errors errors";
print "There " . $plural . " in the options:\n";
for my $i (0 .. $#error_messages)
{
print "- $error_messages[$i]\n";
}
exit (0);
}
#------------------------------------------------------------------------------
# If quiet mode has been enabled, disable verbose, warnings and debug.
#------------------------------------------------------------------------------
if ($g_quiet)
{
$g_user_settings{"verbose"}{"current_value"} = "off";
$g_user_settings{"warnings"}{"current_value"} = "off";
$g_user_settings{"debug"}{"current_value"} = "off";
$g_verbose = $FALSE;
$g_warnings = $FALSE;
my $debug_off = "off";
my $ignore_value = set_debug_size (\$debug_off);
}
return (0);
} #-- End of subroutine early_scan_specific_options
#------------------------------------------------------------------------------
# TBD
#------------------------------------------------------------------------------
sub elf_phdr
{
my $subr_name = get_my_name ();
my ($elf_loadobjects_found, $elf_arch, $loadobj, $routine,
$ARCHIVES_MAP_NAME, $ARCHIVES_MAP_VADDR, $elf_rats_ref) = @_;
my %elf_rats = %{$elf_rats_ref};
my $return_value;
#------------------------------------------------------------------------------
# TBD. Quick check. Can be moved up the call tree.
#------------------------------------------------------------------------------
if ( ($elf_arch ne "Linux") and ($elf_arch ne "SunOS") )
{
gp_message ("abort", $subr_name, "$elf_arch is not a supported OS");
}
#------------------------------------------------------------------------------
# TBD: This should not be in a loop over $loadobj and only use the executable.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# TBD: $routine is not really used in these subroutines. Is this a bug?
#------------------------------------------------------------------------------
if ($elf_loadobjects_found)
{
gp_message ("debugXL", $subr_name, "calling elf_phdr_usual");
$return_value = elf_phdr_usual ($elf_arch, $loadobj, $routine, \%elf_rats);
}
else
{
gp_message ("debugXL", $subr_name, "calling elf_phdr_sometimes");
$return_value = elf_phdr_sometimes ($elf_arch, $loadobj, $routine, $ARCHIVES_MAP_NAME, $ARCHIVES_MAP_VADDR);
}
gp_message ("debug", $subr_name, "the return value = $return_value");
if (not $return_value)
{
gp_message ("abort", $subr_name, "need to handle a return value of FALSE");
}
return ($return_value);
} #-- End of subroutine elf_phdr
#------------------------------------------------------------------------------
# Return the virtual address for the load object.
#------------------------------------------------------------------------------
sub elf_phdr_sometimes
{
my $subr_name = get_my_name ();
my ($elf_arch, $loadobj, $routine, $ARCHIVES_MAP_NAME,
$ARCHIVES_MAP_VADDR) = @_;
my $arch_uname_s = $local_system_config{"kernel_name"};
my $arch_uname = $local_system_config{"processor"};
my $arch = $g_arch_specific_settings{"arch"};
gp_message ("debug", $subr_name, "arch_uname_s = $arch_uname_s");
gp_message ("debug", $subr_name, "arch_uname = $arch_uname");
gp_message ("debug", $subr_name, "arch = $arch");
my $target_cmd;
my $command_string;
my $error_code;
my $cmd_output;
my $line;
my $blo;
my $elf_offset;
my $i;
my @foo;
my $foo;
my $foo1;
my $p_vaddr;
my $rc;
my $archives_file;
my $loadobj_SAVE;
my $Offset;
my $VirtAddr;
my $PhysAddr;
my $FileSiz;
my $MemSiz;
my $Flg;
my $Align;
if ($ARCHIVES_MAP_NAME eq $blo)
{
return ($ARCHIVES_MAP_VADDR);
}
else
{
return ($FALSE);
}
if ($arch_uname_s ne $elf_arch)
{
#------------------------------------------------------------------------------
# We are masquerading between systems, must leave
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "masquerading arch_uname_s->$arch_uname_s elf_arch->$elf_arch");
return ($FALSE);
}
if ($loadobj eq "DYNAMIC_FUNCTIONS")
#------------------------------------------------------------------------------
# Linux vDSO, leave for now
#------------------------------------------------------------------------------
{
return ($FALSE);
}
# TBD: STILL NEEDED??!!
$loadobj_SAVE = $loadobj;
$blo = get_basename ($loadobj);
gp_message ("debug", $subr_name, "loadobj = $loadobj");
gp_message ("debug", $subr_name, "blo = $blo");
gp_message ("debug", $subr_name, "ARCHIVES_MAP_NAME = $ARCHIVES_MAP_NAME");
gp_message ("debug", $subr_name, "ARCHIVES_MAP_VADDR = $ARCHIVES_MAP_VADDR");
if ($ARCHIVES_MAP_NAME eq $blo)
{
return ($ARCHIVES_MAP_VADDR);
}
else
{
return ($FALSE);
}
} #-- End of subroutine elf_phdr_sometimes
#------------------------------------------------------------------------------
# Return the virtual address for the load object.
#
# Note that at this point, $elf_arch is known to be supported.
#------------------------------------------------------------------------------
sub elf_phdr_usual
{
my $subr_name = get_my_name ();
my ($elf_arch, $loadobj, $routine, $elf_rats_ref) = @_;
my %elf_rats = %{$elf_rats_ref};
my $return_code;
my $cmd_output;
my $target_cmd;
my $command_string;
my $error_code;
my $error_code1;
my $error_code2;
my ($elf_offset, $loadobjARC);
my ($i, @foo, $foo, $foo1, $p_vaddr, $rc);
my ($Offset, $VirtAddr, $PhysAddr, $FileSiz, $MemSiz, $Flg, $Align);
my $arch_uname_s = $local_system_config{"kernel_name"};
gp_message ("debug", $subr_name, "elf_arch = $elf_arch loadobj = $loadobj routine = $routine");
my ($base, $ignore_value, $ignore_too) = fileparse ($loadobj);
gp_message ("debug", $subr_name, "base = $base ".basename ($loadobj));
if ($elf_arch eq "Linux")
{
if ($arch_uname_s ne $elf_arch)
{
#------------------------------------------------------------------------------
# We are masquerading between systems, must leave.
# Maybe we could use ELF_RATS
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "masquerading arch_uname_s->$arch_uname_s elf_arch->$elf_arch");
return ($FALSE);
}
if ($loadobj eq "DYNAMIC_FUNCTIONS")
{
#------------------------------------------------------------------------------
# Linux vDSO, leave for now
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "early return: loadobj = $loadobj");
return ($FALSE);
}
$target_cmd = $g_mapped_cmds{"readelf"};
$command_string = $target_cmd . " -l " . $loadobj . " 2>/dev/null";
($error_code1, $cmd_output) = execute_system_cmd ($command_string);
gp_message ("debug", $subr_name, "executed command_string = $command_string");
gp_message ("debug", $subr_name, "cmd_output = $cmd_output");
if ($error_code1 != 0)
{
gp_message ("debug", $subr_name, "call failure for $command_string");
#------------------------------------------------------------------------------
# e.g. $loadobj->/usr/lib64/libc-2.17.so
#------------------------------------------------------------------------------
$loadobjARC = get_basename ($loadobj);
gp_message ("debug", $subr_name, "seek elf_rats for $loadobjARC");
if (exists ($elf_rats{$loadobjARC}))
{
my $elfoid = "$elf_rats{$loadobjARC}[1]/archives/$elf_rats{$loadobjARC}[0]";
$target_cmd = $g_mapped_cmds{"readelf"};
$command_string = $target_cmd . "-l " . $elfoid . " 2>/dev/null";
($error_code2, $cmd_output) = execute_system_cmd ($command_string);
if ($error_code2 != 0)
{
gp_message ("abort", $subr_name, "call failure for $command_string");
}
else
{
gp_message ("debug", $subr_name, "executed command_string = $command_string");
gp_message ("debug", $subr_name, "cmd_output = $cmd_output");
}
}
else
{
my $msg = "elf_rats{$loadobjARC} does not exist";
gp_message ("assertion", $subr_name, $msg);
}
}
#------------------------------------------------------------------------------
# Example output of "readelf -l" on Linux:
#
# Elf file type is EXEC (Executable file)
# Entry point 0x4023a0
# There are 11 program headers, starting at offset 64
#
# Program Headers:
# Type Offset VirtAddr PhysAddr
# FileSiz MemSiz Flags Align
# PHDR 0x0000000000000040 0x0000000000400040 0x0000000000400040
# 0x0000000000000268 0x0000000000000268 R 8
# INTERP 0x00000000000002a8 0x00000000004002a8 0x00000000004002a8
# 0x000000000000001c 0x000000000000001c R 1
# [Requesting program interpreter: /lib64/ld-linux-x86-64.so.2]
# LOAD 0x0000000000000000 0x0000000000400000 0x0000000000400000
# 0x0000000000001310 0x0000000000001310 R 1000
# LOAD 0x0000000000002000 0x0000000000402000 0x0000000000402000
# 0x0000000000006515 0x0000000000006515 R E 1000
# LOAD 0x0000000000009000 0x0000000000409000 0x0000000000409000
# 0x000000000006f5a8 0x000000000006f5a8 R 1000
# LOAD 0x0000000000078dc8 0x0000000000479dc8 0x0000000000479dc8
# 0x000000000000047c 0x0000000000000f80 RW 1000
# DYNAMIC 0x0000000000078dd8 0x0000000000479dd8 0x0000000000479dd8
# 0x0000000000000220 0x0000000000000220 RW 8
# NOTE 0x00000000000002c4 0x00000000004002c4 0x00000000004002c4
# 0x0000000000000044 0x0000000000000044 R 4
# GNU_EH_FRAME 0x00000000000777f4 0x00000000004777f4 0x00000000004777f4
# 0x000000000000020c 0x000000000000020c R 4
# GNU_STACK 0x0000000000000000 0x0000000000000000 0x0000000000000000
# 0x0000000000000000 0x0000000000000000 RW 10
# GNU_RELRO 0x0000000000078dc8 0x0000000000479dc8 0x0000000000479dc8
# 0x0000000000000238 0x0000000000000238 R 1
#
# Section to Segment mapping:
# Segment Sections...
# 00
# 01 .interp
# 02 .interp .note.gnu.build-id .note.ABI-tag .gnu.hash .dynsym .dynstr .gnu.version .gnu.version_r .rela.dyn .rela.plt
# 03 .init .plt .text .fini
# 04 .rodata .eh_frame_hdr .eh_frame
# 05 .init_array .fini_array .dynamic .got .got.plt .data .bss
# 06 .dynamic
# 07 .note.gnu.build-id .note.ABI-tag
# 08 .eh_frame_hdr
# 09
# 10 .init_array .fini_array .dynamic .got
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Analyze the ELF information and try to find the virtual address.
#
# Note that the information printed as part of LOAD needs to have "R E" in it.
# In the example output above, the return value would be "0x0000000000402000".
#
# We also need to distinguish two cases. It could be that the output is on
# a single line, or spread over two lines:
#
# Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
# LOAD 0x000000 0x08048000 0x08048000 0x61b4ae 0x61b4ae R E 0x1000
# or 2 lines
# LOAD 0x0000000000000000 0x0000000000400000 0x0000000000400000
# 0x0000000000001010 0x0000000000001010 R E 200000
#------------------------------------------------------------------------------
@foo = split ("\n",$cmd_output);
for $i (0 .. $#foo)
{
$foo = $foo[$i];
chomp ($foo);
if ($foo =~ /^\s+LOAD\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(R\sE)\s+(\S+)$/)
{
$Offset = $1;
$VirtAddr = $2;
$PhysAddr = $3;
$FileSiz = $4;
$MemSiz = $5;
$Flg = $6;
$Align = $7;
$elf_offset = $VirtAddr;
gp_message ("debug", $subr_name, "single line version elf_offset = $elf_offset");
return ($elf_offset);
}
elsif ($foo =~ /^\s+LOAD\s+(\S+)\s+(\S+)\s+(\S+)$/)
{
#------------------------------------------------------------------------------
# is it a two line version?
#------------------------------------------------------------------------------
$Offset = $1;
$VirtAddr = $2; # maybe
$PhysAddr = $3;
if ($i != $#foo)
{
$foo1 = $foo[$i + 1];
chomp ($foo1);
if ($foo1 =~ /^\s+(\S+)\s+(\S+)\s+(R\sE)\s+(\S+)$/)
{
$FileSiz = $1;
$MemSiz = $2;
$Flg = $3;
$Align = $4;
$elf_offset = $VirtAddr;
gp_message ("debug", $subr_name, "two line version elf_offset = $elf_offset");
return ($elf_offset);
}
}
}
}
}
elsif ($elf_arch eq "SunOS")
{
#------------------------------------------------------------------------------
#Program Header[3]:
# p_vaddr: 0x10000 p_flags: [ PF_X PF_R ]
# folowed by
# p_paddr: 0 p_type: [ PT_LOAD ]
#------------------------------------------------------------------------------
if ($arch_uname_s ne $elf_arch)
#------------------------------------------------------------------------------
# we are masquerading between systems, must leave
#------------------------------------------------------------------------------
{
gp_message ("debug", $subr_name,"masquerading arch_uname_s = $arch_uname_s elf_arch = $elf_arch");
return (0);
}
$target_cmd = $g_mapped_cmds{"elfdump"};
$command_string = $target_cmd . "-p " . $loadobj . " 2>/dev/null";
($error_code, $cmd_output) = execute_system_cmd ($command_string);
if ($error_code != 0)
{
gp_message ("debug", $subr_name,"call failure for $command_string");
die ("$target_cmd call failure");
}
my @foo = split ("\n",$cmd_output);
for $i (0 .. $#foo)
{
$foo = $foo[$i];
chomp ($foo);
if ($foo =~ /^\s+p_vaddr:\s+(\S+)\s+p_flags:\s+\[\sPF_X\sPF_R\s\]$/)
{
$p_vaddr = $1; # probably
if ($i != $#foo)
{
$foo1 = $foo[$i + 1];
chomp ($foo1);
if ($foo1 =~ /^\s+p_paddr:\s+(\S+)\s+p_type:\s+\[\sPT_LOAD\s\]$/)
{
$elf_offset = $p_vaddr;
return ($elf_offset);
}
}
}
}
}
} #-- End of subroutine elf_phdr_usual
#------------------------------------------------------------------------------
# Execute a system command. In case of an error, a non-zero error code is
# returned. It is upon the caller to decide what to do next.
#------------------------------------------------------------------------------
sub execute_system_cmd
{
my $subr_name = get_my_name ();
my ($target_cmd) = @_;
chomp ($target_cmd);
my $cmd_output = qx ($target_cmd);
my $error_code = ${^CHILD_ERROR_NATIVE};
if ($error_code != 0)
{
gp_message ("error", $subr_name, "failure executing command $target_cmd");
gp_message ("error", $subr_name, "error code = $error_code");
}
else
{
chomp ($cmd_output);
gp_message ("debugM", $subr_name, "executed command $target_cmd");
gp_message ("debugM", $subr_name, "cmd_output = $cmd_output");
}
return ($error_code, $cmd_output);
} #-- End of subroutine execute_system_cmd
#------------------------------------------------------------------------------
# Scan the input file, which should be a gprofng generated map.xml file, and
# extract the relevant information.
#------------------------------------------------------------------------------
sub extract_info_from_map_xml
{
my $subr_name = get_my_name ();
my ($input_map_xml_file) = @_;
my $extracted_information;
my $input_line;
my $vaddr;
my $foffset;
my $modes;
my $name_path;
my $name;
my $full_path_exec;
my $executable_name;
my $va_executable_in_hex;
open (MAP_XML, "<", $input_map_xml_file)
or die ("$subr_name - unable to open file $input_map_xml_file for reading: $!");
gp_message ("debug", $subr_name, "opened file $input_map_xml_file for reading");
#------------------------------------------------------------------------------
# Scan the file. We need to find the name of the executable with the mode set
# to 0x005. For this entry we have to capture the name, the mode, the virtual
# address and the offset.
#------------------------------------------------------------------------------
$extracted_information = $FALSE;
while (<MAP_XML>)
{
$input_line = $_;
chomp ($input_line);
gp_message ("debug", $subr_name, "read input_line = $input_line");
if ($input_line =~ /^<event kind="map"\s.*vaddr="0x([0-9a-fA-F]+)"\s+.*foffset="\+*0x([0-9a-fA-F]+)"\s.*modes="0x([0-9]+)"\s.*name="(.*)".*>$/)
{
gp_message ("debug", $subr_name, "target line = $input_line");
$vaddr = $1;
$foffset = $2;
$modes = $3;
$name_path = $4;
$name = get_basename ($name_path);
gp_message ("debug", $subr_name, "extracted vaddr = $vaddr foffset = $foffset modes = $modes");
gp_message ("debug", $subr_name, "extracted name_path = $name_path name = $name");
#------------------------------------------------------------------------------
# The base virtual address is calculated as vaddr-foffset. Although Perl
# handles arithmetic in hex, we take the safe way here. Maybe overkill, but
# I prefer to be safe than sorry in cases like this.
#------------------------------------------------------------------------------
$full_path_exec = $name_path;
$executable_name = $name;
my $result_VA = bigint::hex ($vaddr) - bigint::hex ($foffset);
$va_executable_in_hex = sprintf ("0x%016x", $result_VA);
## $ARCHIVES_MAP_NAME = $name;
## $ARCHIVES_MAP_VADDR = $va_executable_in_hex;
## gp_message ("debug", $subr_name, "set ARCHIVES_MAP_NAME = $ARCHIVES_MAP_NAME");
## gp_message ("debug", $subr_name, "set ARCHIVES_MAP_VADDR = $ARCHIVES_MAP_VADDR");
gp_message ("debug", $subr_name, "result_VA = $result_VA");
gp_message ("debug", $subr_name, "va_executable_in_hex = $va_executable_in_hex");
#------------------------------------------------------------------------------
# Stop reading when we found the correct entry.
#------------------------------------------------------------------------------
if ($modes eq "005")
{
$extracted_information = $TRUE;
last;
}
}
} #-- End of while-loop
if (not $extracted_information)
{
my $msg = "cannot find the necessary information in file $input_map_xml_file";
gp_message ("assertion", $subr_name, $msg);
}
gp_message ("debug", $subr_name, "full_path_exec = $full_path_exec");
gp_message ("debug", $subr_name, "executable_name = $executable_name");
gp_message ("debug", $subr_name, "va_executable_in_hex = $va_executable_in_hex");
return ($full_path_exec, $executable_name, $va_executable_in_hex);
} #-- End of subroutine extract_info_from_map_xml
#------------------------------------------------------------------------------
# This routine analyzes the metric line and extracts the metric specifics
# from it.
# Example input: Exclusive Total CPU Time: e.%totalcpu
#------------------------------------------------------------------------------
sub extract_metric_specifics
{
my $subr_name = get_my_name ();
my ($metric_line) = @_;
my $metric_description;
my $metric_flavor;
my $metric_visibility;
my $metric_name;
my $metric_spec;
# Ruud if (($metric =~ /\s*(.*):\s+(\S)((\.\S+)|(\+\S+))/) && !($metric =~/^Current/)){
if (($metric_line =~ /\s*(.+):\s+([ei])([\.\+%]+)(\S*)/) and !($metric_line =~/^Current/))
{
gp_message ("debug", $subr_name, "line of interest: $metric_line");
$metric_description = $1;
$metric_flavor = $2;
$metric_visibility = $3;
$metric_name = $4;
#------------------------------------------------------------------------------
# Although we have captured the metric visibility, the original code removes
# this from the name. Since the structure is more complicated, the code is
# more tedious as well. With our new approach we just leave the visibility
# out.
#------------------------------------------------------------------------------
# $metric_spec = $metric_flavor.$metric_visibility.$metric_name;
$metric_spec = $metric_flavor . "." . $metric_name;
#------------------------------------------------------------------------------
# From the original code:
#
# On x64 systems there are metrics which contain ~ (for example
# DC_access~umask=0 . When er_print lists them, they come out
# as DC_access%7e%umask=0 (see 6530691). Untill 6530691 is
# fixed, we need this. Later we may need something else, or
# things may just work.
#------------------------------------------------------------------------------
# $metric_spec=~s/\%7e\%/,/;
# # remove % metric
# print "DB: before \$metric_spec = $metric_spec\n";
#------------------------------------------------------------------------------
# TBD: I don't know why the "%" symbol is removed.
#------------------------------------------------------------------------------
# $metric_spec =~ s/\%//;
# print "DB: after \$metric_spec = $metric_spec\n";
return ($metric_spec, $metric_flavor, $metric_visibility,
$metric_name, $metric_description);
}
else
{
return ("skipped", "void");
}
} #-- End of subroutine extract_metric_specifics
#------------------------------------------------------------------------------
# TBD
#------------------------------------------------------------------------------
sub extract_source_line_number
{
my $subr_name = get_my_name ();
my ($src_times_regex, $function_regex, $number_of_metrics, $input_line) = @_;
#------------------------------------------------------------------------------
# The regex section.
#------------------------------------------------------------------------------
my $find_dot_regex = '\.';
my @fields_in_line = ();
my $hot_line;
my $line_id;
#------------------------------------------------------------------------------
# To extract the source line number, we need to distinguish whether this is
# a line with, or without metrics.
#------------------------------------------------------------------------------
@fields_in_line = split (" ", $input_line);
if ( $input_line =~ /$src_times_regex/ )
{
$hot_line = $1;
if ($hot_line eq "##")
#------------------------------------------------------------------------------
# The line id comes after the "##" symbol and the metrics.
#------------------------------------------------------------------------------
{
$line_id = $fields_in_line[$number_of_metrics+1];
}
else
#------------------------------------------------------------------------------
# The line id comes after the metrics.
#------------------------------------------------------------------------------
{
$line_id = $fields_in_line[$number_of_metrics];
}
}
elsif ($input_line =~ /$function_regex/)
{
$line_id = "func";
}
else
#------------------------------------------------------------------------------
# The line id is the first non-blank element.
#------------------------------------------------------------------------------
{
$line_id = $fields_in_line[0];
}
#------------------------------------------------------------------------------
# Remove the trailing dot.
#------------------------------------------------------------------------------
$line_id =~ s/$find_dot_regex//;
return ($line_id);
} #-- End of subroutine extract_source_line_number
#------------------------------------------------------------------------------
# For a give routine name and address, find the index into the
# function_info array
#------------------------------------------------------------------------------
sub find_index_in_function_info
{
my $subr_name = get_my_name ();
my ($routine_ref, $current_address_ref, $function_info_ref) = @_;
my $routine = ${ $routine_ref };
my $current_address = ${ $current_address_ref };
my @function_info = @{ $function_info_ref };
my $addr_offset;
my $ref_index;
gp_message ("debugXL", $subr_name, "find index for routine = $routine and current_address = $current_address");
if (exists ($g_multi_count_function{$routine}))
{
# TBD: Scan all of the function_info list. Or beter: add index to g_multi_count_function!!
gp_message ("debugXL", $subr_name, "$routine: occurrences = $g_function_occurrences{$routine}");
for my $ref (keys @{ $g_map_function_to_index{$routine} })
{
$ref_index = $g_map_function_to_index{$routine}[$ref];
gp_message ("debugXL", $subr_name, "$routine: retrieving duplicate entry at ref_index = $ref_index");
gp_message ("debugXL", $subr_name, "$routine: function_info[$ref_index]{'alt_name'} = $function_info[$ref_index]{'alt_name'}");
$addr_offset = $function_info[$ref_index]{"addressobjtext"};
gp_message ("debugXL", $subr_name, "$routine: addr_offset = $addr_offset");
$addr_offset =~ s/^@\d+://;
gp_message ("debugXL", $subr_name, "$routine: addr_offset = $addr_offset");
if ($addr_offset eq $current_address)
{
last;
}
}
}
else
{
#------------------------------------------------------------------------------
# There is only a single occurrence and it is straightforward to get the index.
#------------------------------------------------------------------------------
if (exists ($g_map_function_to_index{$routine}))
{
$ref_index = $g_map_function_to_index{$routine}[0];
}
else
{
my $msg = "index for $routine cannot be determined";
gp_message ("assertion", $subr_name, $msg);
}
}
gp_message ("debugXL", $subr_name, "routine = $routine current_address = $current_address ref_index = $ref_index");
return (\$ref_index);
} #-- End of subroutine find_index_in_function_info
#------------------------------------------------------------------------------
# TBD
#------------------------------------------------------------------------------
sub find_keyword_in_string
{
my $subr_name = get_my_name ();
my ($target_string_ref, $target_keyword_ref) = @_;
my $target_string = ${ $target_string_ref };
my $target_keyword = ${ $target_keyword_ref };
my $foundit = $FALSE;
my @index_values = ();
my $ret_val = 0;
my $offset = 0;
gp_message ("debugXL", $subr_name, "target_string = $target_string");
$ret_val = index ($target_string, $target_keyword, $offset);
gp_message ("debugXL", $subr_name, "ret_val = $ret_val");
if ($ret_val != -1)
{
$foundit = $TRUE;
while ($ret_val != -1)
{
push (@index_values, $ret_val);
$offset = $ret_val + 1;
gp_message ("debugXL", $subr_name, "ret_val = $ret_val offset = $offset");
$ret_val = index ($target_string, $target_keyword, $offset);
}
for my $i (keys @index_values)
{
gp_message ("debugXL", $subr_name, "index_values[$i] = $index_values[$i]");
}
}
else
{
gp_message ("debugXL", $subr_name, "target keyword $target_keyword not found");
}
return (\$foundit, \@index_values);
} #-- End of subroutine find_keyword_in_string
#------------------------------------------------------------------------------
# Retrieve the absolute path that was used to execute the command. This path
# is used to execute gp-display-text later on.
#------------------------------------------------------------------------------
sub find_path_to_gp_display_text
{
my $subr_name = get_my_name ();
my ($full_command_ref) = @_;
my $full_command = ${ $full_command_ref };
my $error_occurred = $TRUE;
my $return_value;
#------------------------------------------------------------------------------
# Get the path name.
#------------------------------------------------------------------------------
my ($gp_file_name, $gp_path, $suffix_not_used) = fileparse ($full_command);
gp_message ("debug", $subr_name, "full_command = $full_command");
gp_message ("debug", $subr_name, "gp_path = $gp_path");
my $gp_display_text_instance = $gp_path . $GP_DISPLAY_TEXT;
#------------------------------------------------------------------------------
# Check if $GP_DISPLAY_TEXT exists, is not empty, and executable.
#------------------------------------------------------------------------------
if (not -e $gp_display_text_instance)
{
$return_value = "file not found";
}
else
{
if (is_file_empty ($gp_display_text_instance))
{
$return_value = "file is empty";
}
else
{
#------------------------------------------------------------------------------
# All is well. Capture the path.
#------------------------------------------------------------------------------
$error_occurred = $FALSE;
$return_value = $gp_path;
}
}
return (\$error_occurred, \$return_value);
} #-- End of subroutine find_path_to_gp_display_text
#------------------------------------------------------------------------------
# Scan the command line to see if the specified option is present.
#
# Two types of options are supported: options without a value (e.g. --help) or
# those that are set to "on" or "off".
#
# In this phase, we only need to check if a value is valid. If it is, we have
# to enable the corresponding global setting. If the value is not valid, we
# ignore it, since it will be caught later and a warning message is issued.
#------------------------------------------------------------------------------
sub find_target_option
{
my $subr_name = get_my_name ();
my ($command_line_ref, $option_requires_value, $target_option) = @_;
my @command_line = @{ $command_line_ref };
my $option_value = undef;
my $found_option = $FALSE;
my ($command_line_string) = join (" ", @command_line);
## if ($command_line_string =~ /\s*($target_option)\s*(on|off)*\s*/)
#------------------------------------------------------------------------------
# This does not make any assumptions on the values we are looking for.
#------------------------------------------------------------------------------
if ($command_line_string =~ /\s*\-\-($target_option)\s*(\w*)\s*/)
{
if (defined ($1))
#------------------------------------------------------------------------------
# We have found the option we are looking for.
#------------------------------------------------------------------------------
{
$found_option = $TRUE;
if ($option_requires_value and defined ($2))
#------------------------------------------------------------------------------
# There is a value and it is passed on to the caller.
#------------------------------------------------------------------------------
{
$option_value = $2;
}
}
}
return ($found_option, $option_value);
} #-- End of subroutine find_target_option
#------------------------------------------------------------------------------
# Find the occurrences of non-space characters in a string and return their
# start and end index values(s).
#------------------------------------------------------------------------------
sub find_words_in_line
{
my $subr_name = get_my_name ();
my ($input_line_ref) = @_;
my $input_line = ${ $input_line_ref };
my $finished = $TRUE;
my $space = 0;
my $space_position = 0;
my $start_word;
my $end_word;
my @word_delimiters = ();
gp_message ("debugXL", $subr_name, "input_line = $input_line");
$finished = $FALSE;
while (not $finished)
{
$space = index ($input_line, " ", $space_position);
my $txt = "string search space_position = $space_position ";
$txt .= "space = $space";
gp_message ("debugXL", $subr_name, $txt);
if ($space != -1)
{
if ($space > $space_position)
{
$start_word = $space_position;
$end_word = $space - 1;
$space_position = $space;
my $keyword = substr ($input_line, $start_word, $end_word - $start_word + 1);
gp_message ("debugXL", $subr_name, "string search start_word = $start_word end_word = $end_word space_position = $space_position $keyword");
push (@word_delimiters, [$start_word, $end_word]);
}
elsif ( ($space == $space_position) and ($space < length ($input_line) - 1))
{
$space = $space + 1;
$space_position = $space;
}
else
{
print "DONE\n";
$finished = $TRUE;
gp_message ("debugXL", $subr_name, "completed - finished = $finished");
}
}
else
{
$finished = $TRUE;
$start_word = $space_position;
$end_word = length ($input_line) - 1;
my $keyword = substr ($input_line, $start_word, $end_word - $start_word + 1);
push (@word_delimiters, [$start_word, $end_word]);
if ($keyword =~ /\s+/)
{
my $txt = "end search spaces only";
gp_message ("debugXL", $subr_name, $txt);
}
else
{
my $txt = "end search start_word = $start_word ";
$txt .= "end_word = $end_word ";
$txt .= "space_position = $space_position -->$keyword<--";
gp_message ("debugXL", $subr_name, $txt);
}
}
}
for my $i (keys @word_delimiters)
{
gp_message ("debugXL", $subr_name, "i = $i $word_delimiters[$i][0] $word_delimiters[$i][1]");
}
return (\@word_delimiters);
} #-- End of subroutine find_words_in_line
#------------------------------------------------------------------------------
# TBD
#------------------------------------------------------------------------------
sub function_info
{
my $subr_name = get_my_name ();
my ($outputdir, $FUNC_FILE, $metric, $LINUX_vDSO_ref) = @_;
my %LINUX_vDSO = %{ $LINUX_vDSO_ref };
my $index_val;
my $address_decimal;
my $full_address_field;
my $FUNC_FILE_NO_PC;
my $off_with_the_PC;
my $blanks;
my $lblanks;
my $lvdso_key;
my $line_regex;
my %functions_per_metric_indexes = ();
my %functions_per_metric_first_index = ();
my @order;
my ($line,$line_n,$value);
my ($df_flag,$n,$u);
my ($metric_value,$PC_Address,$routine);
my ($is_calls,$metric_ok,$name_regex,$pc_len);
my ($segment,$offset,$offy,$spaces,$rest,$not_printed,$vdso_key);
#------------------------------------------------------------------------------
# If the directory name does not end with a "/", add it.
#------------------------------------------------------------------------------
my $length_of_string = length ($outputdir);
if (rindex ($outputdir, "/") != $length_of_string-1)
{
$outputdir .= "/";
}
gp_message ("debug", $subr_name, "on input FUNC_FILE = $FUNC_FILE metric = $metric");
$is_calls = $FALSE;
$metric_ok = $TRUE;
$off_with_the_PC = rindex ($FUNC_FILE, "-PC");
$FUNC_FILE_NO_PC = substr ($FUNC_FILE, 0, $off_with_the_PC);
if ($FUNC_FILE_NO_PC eq $outputdir."calls.sort.func")
{
$FUNC_FILE_NO_PC = $outputdir."calls";
$is_calls = $TRUE;
$metric_ok = $FALSE;
}
elsif ($FUNC_FILE_NO_PC eq $outputdir."calltree.sort.func")
{
$FUNC_FILE_NO_PC = $outputdir."calltree";
$metric_ok = $FALSE;
}
elsif ($FUNC_FILE_NO_PC eq $outputdir."functions.sort.func")
{
$FUNC_FILE_NO_PC = $outputdir."functions.func";
$metric_ok = $FALSE;
}
gp_message ("debugM", $subr_name, "set FUNC_FILE_NO_PC = $FUNC_FILE_NO_PC");
open (FUNC_FILE, "<", $FUNC_FILE)
or die ("Not able to open file $FUNC_FILE for reading - '$!'");
gp_message ("debug", $subr_name, "opened file FUNC_FILE = $FUNC_FILE for reading");
open (FUNC_FILE_NO_PC, ">", $FUNC_FILE_NO_PC)
or die ("Not able to open file $FUNC_FILE_NO_PC for writing - '$!'");
gp_message ("debug", $subr_name, "opened file FUNC_FILE_NO_PC = $FUNC_FILE_NO_PC for writing");
open (FUNC_FILE_REGEXP, "<", "$FUNC_FILE.name-regex")
or die ("Not able to open file $FUNC_FILE.name-regex for reading - '$!'");
gp_message ("debug", $subr_name, "opened file FUNC_FILE_REGEXP = $FUNC_FILE.name-regex for reading");
$name_regex = <FUNC_FILE_REGEXP>;
chomp ($name_regex);
close (FUNC_FILE_REGEXP);
gp_message ("debugXL", $subr_name, "name_regex = $name_regex");
$n = 0;
$u = 0;
$pc_len = 0;
#------------------------------------------------------------------------------
# Note that the double \\ is needed here. The regex used will not have these.
#------------------------------------------------------------------------------
if ($is_calls)
{
#------------------------------------------------------------------------------
# TBD
# I do not see the "*" in my test output, but no harm to leave the code in.
#
# er_print * before PC for calls ! 101315
#------------------------------------------------------------------------------
$line_regex = "^(\\s*)(\\**)(\\S+)(:)(\\S+)(\\s+)(.*)";
}
else
{
$line_regex = "^(\\s*)(\\S+)(:)(\\S+)(\\s+)(.*)";
}
gp_message ("debugXL", $subr_name, "is_calls = ".(($is_calls) ? "TRUE" : "FALSE")." line_regex->$line_regex<-");
gp_message ("debugXL", $subr_name, "read FUNC_FILE = $FUNC_FILE");
$line_n = 0;
$index_val = 0;
while (<FUNC_FILE>)
{
$line = $_;
chomp ($line);
# gp_message ("debug", $subr_name, "FUNC_FILE: input line = $line");
$line_n++;
if ($line =~ /$line_regex/) # field 2|3 needs to be \S in case of -ve sign
{
#------------------------------------------------------------------------------
# A typical target line looks like this:
# 11:0x001492e0 6976.900 <additional_timings> _lwp_start
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "select = $line");
if ($is_calls)
{
$segment = $3;
$offset = $5;
$spaces = $6;
$rest = $7;
$PC_Address = $segment.$4.$offset; # PC Addr.
gp_message ("debugXL", $subr_name, "is_calls = ".(($is_calls) ? "TRUE" : "FALSE")." \$3 = $3");
gp_message ("debugXL", $subr_name, "is_calls = ".(($is_calls) ? "TRUE" : "FALSE")." \$5 = $5");
gp_message ("debugXL", $subr_name, "is_calls = ".(($is_calls) ? "TRUE" : "FALSE")." \$6 = $6");
gp_message ("debugXL", $subr_name, "is_calls = ".(($is_calls) ? "TRUE" : "FALSE")." \$7 = $7");
}
else
{
$segment = $2;
$offset = $4;
$spaces = $5;
$rest = $6;
$PC_Address = $segment.$3.$offset; # PC Addr.
gp_message ("debugXL", $subr_name, "is_calls = ".(($is_calls) ? "TRUE" : "FALSE")." \$2 = $2");
gp_message ("debugXL", $subr_name, "is_calls = ".(($is_calls) ? "TRUE" : "FALSE")." \$4 = $4");
gp_message ("debugXL", $subr_name, "is_calls = ".(($is_calls) ? "TRUE" : "FALSE")." \$5 = $5");
gp_message ("debugXL", $subr_name, "is_calls = ".(($is_calls) ? "TRUE" : "FALSE")." \$6 = $6");
}
if ($segment == -1)
{
#------------------------------------------------------------------------------
# presume vDSO field overflow - er_print used an inadequate format
# or the fsummary (MASTER) had the wrong format for -1?
# rats - get ahead of ourselves - should not be a field abuttal so
#------------------------------------------------------------------------------
if ($line =~ /$name_regex/)
{
if ($metric_ok)
{
$metric_value = $1; # whatever
$routine = $2;
}
else
{
$routine = $1;
}
if ($is_calls)
{
if (substr ($routine,0,1) eq "*")
{
$routine = substr ($routine,1);
}
}
for $vdso_key (keys %LINUX_vDSO)
{
if ($routine eq $LINUX_vDSO{$vdso_key})
{
#------------------------------------------------------------------------------
# presume no duplicates - at least can check offset
#------------------------------------------------------------------------------
if ($vdso_key =~ /(\d+):(\S+)/)
#------------------------------------------------------------------------------
# no -ve segments allowed and not expected
#------------------------------------------------------------------------------
{
if ($2 eq $offset)
{
#------------------------------------------------------------------------------
# the real segment
#------------------------------------------------------------------------------
$segment = $1;
gp_message ("debugXL", $subr_name, "rescued segment for $PC_Address($routine)->$segment:$offset $FUNC_FILE");
$PC_Address = $segment.":".$offset; # PC Addr.
gp_message ("debugXL", $subr_name, "vdso line ->$line");
$line = $PC_Address.(' ' x (length ($spaces)-2)).$rest;
gp_message ("debugXL", $subr_name, "becomes ->$line");
last;
}
}
}
}
}
else
{
gp_message ("debug", $subr_name, "name_regex failure for file $FUNC_FILE");
}
}
#------------------------------------------------------------------------------
# a rotten exception for Linux vDSO
# With a BIG "PC Address" like 32767:0x841fecd0, the functions.sort.func_PC file
# can have lines like
#->32767:0x841fecd0161.553 527182898954 131.936 100003 __vdso_gettimeofday<-
#->32767:0x153ff810 42.460 0 0 __vdso_gettimeofday<-
#->-1:0xff600000 99.040 0 0 [vsyscall]<-
# (Real PC Address: 4294967295:0xff600000)
#-> 4294967295:0xff600000 99.040 0 0 [vsyscall]<-
#-> 9:0x00000020 49.310 0 0 <static>@0x7fff153ff600 ([vdso])<-
# Rats!
# $LINUX_vDSO{substr($order[$i]{"addressobjtext"},1)} = $order[$i]{"routine"};
#------------------------------------------------------------------------------
$not_printed = $TRUE;
for $vdso_key (keys %LINUX_vDSO)
{
if ($line =~ /^(\s*)($vdso_key)(.*)$/)
{
$blanks = 1;
$rest = 3;
$lblanks = length ($blanks);
$lvdso_key = length ($vdso_key);
$PC_Address = $vdso_key; # PC Addr.
$offy = ($lblanks+$lvdso_key < $pc_len) ? $pc_len : $lblanks+$lvdso_key;
gp_message ("debugXL", $subr_name, "offy = $offy for ->$line<-");
if ($pc_len)
{
print FUNC_FILE_NO_PC substr ($line,$offy)."\n";
$not_printed = $FALSE;
}
else
{
die ("sod1a");
}
gp_message ("debugXL", $subr_name, "vdso line ->$line");
if (substr ($line,$lblanks+$lvdso_key,1) eq " ")
{
#------------------------------------------------------------------------------
# O.K. no field abuttal
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "vdso no field abuttal line ->$line");
}
else
{
gp_message ("debugXL", $subr_name, "vdso field abuttal line ->$line");
$line = $blanks.$vdso_key." ".$rest;
}
gp_message ("debugXL", $subr_name, "becomes ->$line");
last;
}
}
if ($not_printed)
{
if ($pc_len)
{
print FUNC_FILE_NO_PC substr ($line,$pc_len)."\n";
}
else
{
die ("sod1b");
}
$not_printed = $FALSE;
}
}
else
{
if (!$pc_len)
{
if ($line =~ /(^\s*PC Addr.\s+)(\S+)/)
{
$pc_len = length ($1); # say 15
print FUNC_FILE_NO_PC substr ($line,$pc_len)."\n";
}
else
{
print FUNC_FILE_NO_PC "$line\n";
}
}
else
{
if ($pc_len)
{
my $strlen = length ($line);
if ($strlen > 0 )
{
print FUNC_FILE_NO_PC substr ($line,$pc_len)."\n";
}
else
{
print FUNC_FILE_NO_PC "\n";
}
}
else
{
die ("sod2");
}
}
next;
}
$routine = "";
if ($line =~ /$name_regex/)
{
if ($metric_ok)
{
$metric_value = $1; # whatever
$routine = $2;
}
else
{
$routine = $1;
}
}
if ($is_calls)
{
if (substr ($routine,0,1) eq "*")
{
$routine = substr ($routine,1);
}
}
if (length ($routine))
{
$order[$index_val]{"routine"} = $routine;
if ($metric_ok)
{
$order[$index_val]{"metric_value"} = $metric_value;
}
$order[$index_val]{"PC Address"} = $PC_Address;
$df_flag = 0;
if (not exists ($functions_per_metric_indexes{$routine}))
{
$functions_per_metric_indexes{$routine} = [$index_val];
}
else
{
push (@{$functions_per_metric_indexes{$routine}},$index_val); # add $RI to list
}
gp_message ("debugXL", $subr_name, "updated functions_per_metric_indexes $routine [$index_val] line = $line");
if ($PC_Address =~ /\s*(\S+):(\S+)/)
{
my ($segment,$offset);
$segment = $1;
$offset = $2;
$address_decimal = bigint::hex ($offset); # decimal
$full_address_field = '@'.$segment.":".$offset; # e.g. @2:0x0003f280
$order[$index_val]{"addressobj"} = $address_decimal;
$order[$index_val]{"addressobjtext"} = $full_address_field;
}
#------------------------------------------------------------------------------
# Check uniqueness
#------------------------------------------------------------------------------
if (not exists ($functions_per_metric_first_index{$routine}{$PC_Address}))
{
$functions_per_metric_first_index{$routine}{$PC_Address} = $index_val;
$u++; #$RI
}
else
{
if (!($metric eq "calls" || $metric eq "calltree"))
{
gp_message ("debug", $subr_name, "file $FUNC_FILE: function $routine already has a PC Address");
}
}
$index_val++;
gp_message ("debugXL", $subr_name, "updated index_val = $index_val");
$n++;
next;
}
else
{
if ($n && length ($line))
{
my $msg = "unexpected line format in functions file $FUNC_FILE line->$line<-";
gp_message ("assertion", $subr_name, $msg);
}
}
}
close (FUNC_FILE);
close (FUNC_FILE_NO_PC);
for my $i (sort keys %functions_per_metric_indexes)
{
my $values = "";
for my $fields (sort keys @{ $functions_per_metric_indexes{$i} })
{
$values .= "$functions_per_metric_indexes{$i}[$fields] ";
}
gp_message ("debugXL", $subr_name, "on return: functions_per_metric_indexes{$i} = $values");
}
return (\@order, \%functions_per_metric_first_index, \%functions_per_metric_indexes);
} #-- End of subroutine function_info
#------------------------------------------------------------------------------
# Generate a html header.
#------------------------------------------------------------------------------
sub generate_a_header
{
my $subr_name = get_my_name ();
my ($page_text_ref, $size_text_ref, $position_text_ref) = @_;
my $page_text = ${ $page_text_ref };
my $size_text = ${ $size_text_ref };
my $position_text = ${ $position_text_ref };
my $html_header;
$html_header = "<div class=\"" . $position_text . "\">\n";
$html_header .= "<". $size_text . ">\n";
$html_header .= $page_text . "\n";
$html_header .= "</". $size_text . ">\n";
$html_header .= "</div>";
gp_message ("debugXL", $subr_name, "on exit page_title = $html_header");
return (\$html_header);
} #-- End of subroutine generate_a_header
#------------------------------------------------------------------------------
# Generate the caller-callee information.
#------------------------------------------------------------------------------
sub generate_caller_callee
{
my $subr_name = get_my_name ();
my ($number_of_metrics_ref, $function_info_ref, $function_view_structure_ref,
$function_address_info_ref, $addressobjtextm_ref,
$input_string_ref) = @_;
my $number_of_metrics = ${ $number_of_metrics_ref };
my @function_info = @{ $function_info_ref };
my %function_view_structure = %{ $function_view_structure_ref };
my %function_address_info = %{ $function_address_info_ref };
my %addressobjtextm = %{ $addressobjtextm_ref };
my $input_string = ${ $input_string_ref };
my @caller_callee_data = ();
my $outfile;
my $input_line;
my $fullname;
my $separator = "cuthere";
my @address_field = ();
my @fields = ();
my @function_names = ();
my @marker = ();
my @metric_values = ();
my @word_index_values = ();
my @header_lines = ();
my $all_metrics;
my $elements_in_name;
my $full_hex_address;
my $hex_address;
my $file_title;
my $page_title;
my $size_text;
my $position_text;
my @html_metric_sort_header = ();
my $html_header;
my $html_title_header;
my $html_home;
my $html_acknowledgement;
my $html_end;
my $html_line;
my $marker_target_function;
my $max_metrics_length = 0;
my $metrics_length;
my $modified_line;
my $name_regex;
my $no_of_fields;
my $routine;
my $routine_length;
my $string_length;
my $top_header;
my $total_header_lines;
my $word_index_values_ref;
my $infile;
my $outputdir = append_forward_slash ($input_string);
my $LANG = $g_locale_settings{"LANG"};
my $decimal_separator = $g_locale_settings{"decimal_separator"};
gp_message ("debug", $subr_name, "decimal_separator = $decimal_separator");
gp_message ("debug", $subr_name, "outputdir = $outputdir");
$infile = $outputdir . "caller-callee-PC2";
$outfile = $outputdir . $g_html_base_file_name{"caller_callee"} . ".html";
gp_message ("debug", $subr_name, "infile = $infile outfile = $outfile");
open (CALLER_CALLEE_IN, "<", $infile)
or die ("unable to open caller file $infile for reading - '$!'");
gp_message ("debug", $subr_name, "opened file $infile for reading");
open (CALLER_CALLEE_OUT, ">", $outfile)
or die ("unable to open $outfile for writing - '$!'");
gp_message ("debug", $subr_name, "opened file $outfile for writing");
gp_message ("debug", $subr_name, "building caller-callee file $outfile");
#------------------------------------------------------------------------------
# Generate some of the structures used in the HTML output.
#------------------------------------------------------------------------------
$file_title = "Caller-callee overview";
$html_header = ${ create_html_header (\$file_title) };
$html_home = ${ generate_home_link ("right") };
$page_title = "Caller Callee View";
$size_text = "h2";
$position_text = "center";
$html_title_header = ${ generate_a_header (\$page_title, \$size_text, \$position_text) };
#------------------------------------------------------------------------------
# Read all of the file into array with the name caller_callee_data.
#------------------------------------------------------------------------------
chomp (@caller_callee_data = <CALLER_CALLEE_IN>);
#------------------------------------------------------------------------------
# Typical structure of the input file:
#
# Current metrics: address:name:e.totalcpu:e.cycles:e+insts:e+llm
# Current Sort Metric: Exclusive Total CPU Time ( e.totalcpu )
# Functions sorted by metric: Exclusive Total CPU Time
# Callers and callees sorted by metric: Attributed Total CPU Time
#
# PC Addr. Name Attr. Attr. CPU Attr. Attr.
# Total Cycles Instructions Last-Level
# CPU sec. sec. Executed Cache Misses
# 1:0x00000000 *<Total> 3.502 4.005 15396819700 24024250
# 7:0x00008070 start_thread 3.342 3.865 14500538981 23824045
# 6:0x000233a0 __libc_start_main 0.160 0.140 896280719 200205
#
# PC Addr. Name Attr. Attr. CPU Attr. Attr.
# Total Cycles Instructions Last-Level
# CPU sec. sec. Executed Cache Misses
# 2:0x000021f9 driver_mxv 3.342 3.865 14500538981 23824045
# 2:0x000021ae *mxv_core 3.342 3.865 14500538981 23824045
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Scan the input file. The first lines are assumed to be part of the header,
# so we store those. The diagnostic lines that echo some settings are also
# stored, but currently not used.
#------------------------------------------------------------------------------
my $scan_header = $FALSE;
my $scan_caller_callee_data = $FALSE;
my $data_function_block = "";
my @function_blocks = ();
my $first = $TRUE;
my @html_caller_callee = ();
my @top_level_header = ();
#------------------------------------------------------------------------------
# The regexes.
#------------------------------------------------------------------------------
my $empty_line_regex = '^\s*$';
my $line_of_interest_regex = '\s*(\d+:0x[a-fA-F0-9]+)\s+(\**)(.*)';
my $get_hex_address_regex = '(\d+):0x(\S+)';
my $get_metric_field_regex = ')\s+([\s\d' . $decimal_separator . ']*)';
my $header_name_regex = '(.*\.)(\s+)(Name)\s+(.*)';
my $sorted_by_regex = 'sorted by metric:';
my $current_regex = '^Current';
my $get_addr_offset_regex = '^@\d+:';
#------------------------------------------------------------------------------
# Get the length of the first metric field across all lines. This value is
# used to pad the first metric with spaces and get the alignment right.
#
# Scan the input data and find the line(s) with metric values. A complication
# is that a function name may consists of more than one field.
#
# Note. This part could be used to parse the other elements of the input file,
# but that makes the loop very complicated. Instead, we re-scan the data
# below and process each block separately.
#
# Since this data is all in memory and relatively small, the performance should
# not suffer much, but it does improve the readability of the code.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "determine the maximum length of the first field");
$g_max_length_first_metric = 0;
my @hex_addresses = ();
my @special_marker = ();
my @the_function_name = ();
my @the_metrics = ();
my @length_first_metric = ();
for (my $line = 0; $line <= $#caller_callee_data; $line++)
{
my $input_line = $caller_callee_data[$line];
if ($input_line =~ /$line_of_interest_regex/)
{
if (defined ($1) and defined ($2) and defined ($3))
#------------------------------------------------------------------------------
# This is a line of interest, since it has the address, the function name and
# the values for the metrics. Examples of valid lines are:
#
# 2:0x00005028 *xfree_large 0. 0
# 12:0x0004c2b0 munmap 0.143 6402086
# 7:0x0001b2df <static>@0x1b2df (<libgomp.so.1.0.0>) 0. 0
#
# The function name marked with a * is the current target.
#------------------------------------------------------------------------------
{
my $full_hex_address = $1;
my $marker = $2;
my $remaining_line = $3;
if ($full_hex_address =~ /$get_hex_address_regex/)
{
$hex_address = "0x" . $2;
push (@hex_addresses, $hex_address);
gp_message ("debugXL", $subr_name, "pushed $hex_address");
}
else
{
my $msg = "full_hex_address = $full_hex_address has an unknown format";
gp_message ("assertion", $subr_name, $msg);
}
if ($marker eq "*")
{
push (@special_marker, "*");
}
else
{
push (@special_marker, "X");
}
}
else
{
my $msg = "input_line = $input_line has an unknown format";
gp_message ("assertion", $subr_name, $msg);
}
my @fields_in_line = split (" ", $input_line);
#------------------------------------------------------------------------------
# We stripped the address and marker (if any), off, so this string starts with
# the function name.
#------------------------------------------------------------------------------
my $remainder = $3;
my $number_of_fields = scalar (@fields_in_line);
my $words_in_function_name = $number_of_fields - $number_of_metrics - 1;
my @remainder_array = split (" ", $remainder);
#------------------------------------------------------------------------------
# If the first metric is 0. (or 0, depending on the locale), the calculation
# of the length needs to be adjusted, because 0. is really 0.000.
#
# While we could easily add 3 to the length, we assign a symbolic value to the
# first metric (ZZZ) and then compute the length. This makes things clearer.
# I hope ;-)
#------------------------------------------------------------------------------
my $first_metric = $remainder_array[$words_in_function_name];
if ($first_metric =~ /^0$decimal_separator$/)
{
gp_message ("debugXL", $subr_name, "fixed up $first_metric");
$first_metric = "0.ZZZ";
}
push (@length_first_metric, length ($first_metric));
my $txt = "words in function name = $words_in_function_name ";
$txt .= "first_metric = $first_metric length = ";
$txt .= length ($first_metric);
gp_message ("debugXL", $subr_name, $txt);
#------------------------------------------------------------------------------
# Generate the regex for the metrics.
#
# TBD: This should be an attribute of the function and be done once only.
#------------------------------------------------------------------------------
my $m_regex = '(\S+';
for my $f (2 .. $words_in_function_name)
{
$m_regex .= '\s+\S+';
}
#------------------------------------------------------------------------------
# This last part captures all the metric values.
#------------------------------------------------------------------------------
$m_regex .= $get_metric_field_regex;
gp_message ("debugXL", $subr_name, "m_regex = $m_regex");
gp_message ("debugXL", $subr_name, "remainder = $remainder");
if ($remainder =~ /$m_regex/)
{
my $func_name = $1;
my $its_metrics = $2;
my $msg = "found the info - func_name = " . $func_name .
" its metrics = " . $its_metrics;
gp_message ("debugXL", $subr_name, $msg);
push (@the_function_name, $func_name);
push (@the_metrics, $its_metrics);
}
else
{
my $msg = "remainder string $remainder has an unrecognized format";
gp_message ("assertion", $subr_name, $msg);
}
$g_max_length_first_metric = max ($g_max_length_first_metric, length ($first_metric));
my $msg = "first_metric = $first_metric " .
"g_max_length_first_metric = $g_max_length_first_metric";
gp_message ("debugXL", $subr_name, $msg);
}
}
gp_message ("debugXL", $subr_name, "final: g_max_length_first_metric = $g_max_length_first_metric");
gp_message ("debugXL", $subr_name, "#hex_addresses = $#hex_addresses");
#------------------------------------------------------------------------------
# Main loop over the input data.
#------------------------------------------------------------------------------
my $index_start = 0; # 1
my $index_end = -1; # 0
for (my $line = 0; $line <= $#caller_callee_data; $line++)
{
my $input_line = $caller_callee_data[$line];
if ($input_line =~ /$header_name_regex/)
{
$scan_header = $TRUE;
gp_message ("debugXL", $subr_name, "line = $line encountered start of the header scan_header = $scan_header first = $first");
}
elsif (($input_line =~ /$sorted_by_regex/) or ($input_line =~ /$current_regex/))
{
my $msg = "line = " . $line . " captured top level header: " .
"input_line = " . $input_line;
gp_message ("debugXL", $subr_name, $msg);
push (@top_level_header, $input_line);
}
elsif ($input_line =~ /$line_of_interest_regex/)
{
$index_end++;
$scan_header = $FALSE;
$scan_caller_callee_data = $TRUE;
$data_function_block .= $separator . $input_line;
my $msg = "line = $line updated index_end = $index_end";
gp_message ("debugXL", $subr_name, $msg);
}
elsif (($input_line =~ /$empty_line_regex/) and ($scan_caller_callee_data))
{
#------------------------------------------------------------------------------
# An empty line is interpreted as the end of the current block and we process
# this, including the generation of the html code for this block.
#------------------------------------------------------------------------------
$first = $FALSE;
$scan_caller_callee_data = $FALSE;
gp_message ("debugXL", $subr_name, "new block");
gp_message ("debugXL", $subr_name, "line = $line index_start = $index_start");
gp_message ("debugXL", $subr_name, "line = $line index_end = $index_end");
gp_message ("debugXL", $subr_name, "line = $line data_function_block = $data_function_block");
push (@function_blocks, $data_function_block);
my ($html_block_prologue_ref, $html_code_function_block_ref) =
generate_html_function_blocks (
\$index_start,
\$index_end,
\@hex_addresses,
\@the_metrics,
\@length_first_metric,
\@special_marker,
\@the_function_name,
\$separator,
$number_of_metrics_ref,
\$data_function_block,
$function_info_ref,
$function_view_structure_ref);
my @html_block_prologue = @{ $html_block_prologue_ref };
my @html_code_function_block = @{ $html_code_function_block_ref };
for my $lines (0 .. $#html_code_function_block)
{
my $msg = "final html_code_function_block[" . $lines . "] = " .
$html_code_function_block[$lines];
gp_message ("debugXL", $subr_name, $msg);
}
$data_function_block = "";
push (@html_caller_callee, @html_block_prologue);
push (@html_caller_callee, @header_lines);
push (@html_caller_callee, @html_code_function_block);
$index_start = $index_end + 1;
$index_end = $index_start - 1;
gp_message ("debugXL", $subr_name, "line = $line reset index_start = $index_start");
gp_message ("debugXL", $subr_name, "line = $line reset index_end = $index_end");
}
#------------------------------------------------------------------------------
# Only capture the first header. They are all identical.
#------------------------------------------------------------------------------
if ($scan_header and $first)
{
if (defined ($4))
{
#------------------------------------------------------------------------------
# This group is only defined for the first line of the header.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "header1 = $4");
gp_message ("debugXL", $subr_name, "extra = $3 spaces=x$2x");
my $newline = "<b>" . $4 . "</b>";
push (@header_lines, $newline);
}
elsif ($input_line =~ /\s*(.*)/)
{
#------------------------------------------------------------------------------
# Capture the subsequent header lines.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "headern = $1");
my $newline = "<b>" . $1 . "</b>";
push (@header_lines, $newline);
}
}
}
for my $i (0 .. $#header_lines)
{
gp_message ("debugXL", $subr_name, "header_lines[$i] = $header_lines[$i]");
}
for my $i (0 .. $#function_blocks)
{
gp_message ("debugXL", $subr_name, "function_blocks[$i] = $function_blocks[$i]");
}
my $number_of_blocks = $#function_blocks + 1;
gp_message ("debugXL", $subr_name, "There are " . $number_of_blocks . " function blocks:");
for my $i (0 .. $#function_blocks)
{
#------------------------------------------------------------------------------
# The split produces an empty first field and is why we skip the first field.
#------------------------------------------------------------------------------
## my @entries = split ("cuthere", $function_blocks[$i]);
my @entries = split ($separator, $function_blocks[$i]);
for my $k (1 .. $#entries)
{
my $msg = "entries[" . $k . "] = ". $entries[$k];
gp_message ("debugXL", $subr_name, $k . $msg);
}
}
#------------------------------------------------------------------------------
# Parse and process the individual function blocks.
#------------------------------------------------------------------------------
for my $i (0 .. $#function_blocks)
{
my $msg = "function_blocks[" . $i . "] = ". $function_blocks[$i];
gp_message ("debugXL", $subr_name, $msg);
#------------------------------------------------------------------------------
# This split produces an empty first field. This is why skip this.
#------------------------------------------------------------------------------
my @entries = split ($separator, $function_blocks[$i]);
#------------------------------------------------------------------------------
# An example of @entries:
# <empty>
# 6:0x0003ad20 drand48 0.100 0.084 768240570 0
# 6:0x0003af50 *erand48_r 0.080 0.084 768240570 0
# 6:0x0003b160 __drand48_iterate 0.020 0. 0 0
#------------------------------------------------------------------------------
for my $k (1 .. $#entries)
{
my $input_line = $entries[$k];
my $msg = "input_line = entries[" . $k . "] = ". $entries[$k];
gp_message ("debugXL", $subr_name, $msg);
@fields = split (" ", $input_line);
$no_of_fields = $#fields + 1;
$elements_in_name = $no_of_fields - $number_of_metrics - 1;
#------------------------------------------------------------------------------
# TBD: Too restrictive.
# CHECK CODE IN GENERATE_CALLER_CALLEE
#------------------------------------------------------------------------------
if ($elements_in_name == 1)
{
$name_regex = '\s*(\d+:0x[a-fA-F0-9]+)\s+([\s\*])(\S+)\s+(.*)';
}
elsif ($elements_in_name == 2)
{
$name_regex = '\s*(\d+:0x[a-fA-F0-9]+)\s+([\s\*])((\S+)\s+(\S+))\s+(.*)';
}
else
#------------------------------------------------------------------------------
# TBD: Handle this better in case a function entry has more than 2 words.
#------------------------------------------------------------------------------
{
my $msg = "$elements_in_name elements in name exceeds limit";
gp_message ("assertion", $subr_name, $msg);
}
if ($input_line =~ /$name_regex/)
{
$full_hex_address = $1;
$marker_target_function = $2;
$routine = $3;
if ($elements_in_name == 1)
{
$all_metrics = $4;
}
elsif ($elements_in_name == 2)
{
$all_metrics = $6;
}
$metrics_length = length ($all_metrics);
$max_metrics_length = max ($max_metrics_length, $metrics_length);
if ($full_hex_address =~ /(\d+):0x(\S+)/)
{
$hex_address = "0x" . $2;
}
push (@marker, $marker_target_function);
push (@address_field, $hex_address);
$modified_line = $all_metrics . " " . $routine;
push (@metric_values, $all_metrics);
gp_message ("debugXL", $subr_name, "xxxxxxx = $modified_line");
push (@function_names, $routine);
}
}
$total_header_lines = $#header_lines + 1;
gp_message ("debugXL", $subr_name, "total_header_lines = $total_header_lines");
gp_message ("debugXL", $subr_name, "Final output");
for my $i (keys @header_lines)
{
gp_message ("debugXL", $subr_name, "$header_lines[$i]");
}
for my $i (0 .. $#function_names)
{
my $msg = $metric_values[$i] . " " . $marker[$i] .
$function_names[$i] . "(" . $address_field[$i] . ")";
gp_message ("debugXL", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Check if this function has multiple occurrences.
# TBD: Replace by the function call for this.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "check for multiple occurrences");
for my $i (0 .. $#function_names)
{
my $current_address = $address_field[$i];
my $found_a_match;
my $ref_index;
my $alt_name;
$routine = $function_names[$i];
$alt_name = $routine;
gp_message ("debugXL", $subr_name, "checking for routine = $routine");
if (exists ($g_multi_count_function{$routine}))
{
#------------------------------------------------------------------------------
# TBD: Scan all of the function_info list. Or beter: add index to g_multi_count_function!!
#------------------------------------------------------------------------------
$found_a_match = $FALSE;
gp_message ("debugXL", $subr_name, "$routine: occurrences = $g_function_occurrences{$routine}");
for my $ref (keys @{ $g_map_function_to_index{$routine} })
{
$ref_index = $g_map_function_to_index{$routine}[$ref];
gp_message ("debugXL", $subr_name, "$routine: retrieving duplicate entry at ref_index = $ref_index");
gp_message ("debugXL", $subr_name, "$routine: function_info[$ref_index]{'alt_name'} = $function_info[$ref_index]{'alt_name'}");
my $addr_offset = $function_info[$ref_index]{"addressobjtext"};
gp_message ("debugXL", $subr_name, "$routine: addr_offset = $addr_offset");
$addr_offset =~ s/$get_addr_offset_regex//;
gp_message ("debugXL", $subr_name, "$routine: addr_offset = $addr_offset");
if ($addr_offset eq $current_address)
{
$found_a_match = $TRUE;
last;
}
}
gp_message ("debugXL", $subr_name, "$function_info[$ref_index]{'alt_name'} is the actual function for i = $i $found_a_match");
$alt_name = $function_info[$ref_index]{'alt_name'};
}
gp_message ("debugXL", $subr_name, "alt_name = $alt_name");
}
gp_message ("debugXL", $subr_name, "completed check for multiple occurrences");
#------------------------------------------------------------------------------
# Figure out the column width. Since the columns in the header may include
# spaces, we use the first line with metrics for this.
#------------------------------------------------------------------------------
my $top_header = $metric_values[0];
my $word_index_values_ref = find_words_in_line (\$top_header);
my @word_index_values = @{ $word_index_values_ref };
# $i = 0 0 4
# $i = 1 10 14
# $i = 2 21 31
# $i = 3 35 42
for my $i (keys @word_index_values)
{
gp_message ("debugXL", $subr_name, "i = $i $word_index_values[$i][0] $word_index_values[$i][1]");
}
}
push (@html_metric_sort_header, "<i>");
for my $i (0 .. $#top_level_header)
{
$html_line = $top_level_header[$i] . "<br>";
push (@html_metric_sort_header, $html_line);
}
push (@html_metric_sort_header, "</i>");
print CALLER_CALLEE_OUT $html_header;
print CALLER_CALLEE_OUT $html_home;
print CALLER_CALLEE_OUT $html_title_header;
print CALLER_CALLEE_OUT "$_" for @g_html_experiment_stats;
## print CALLER_CALLEE_OUT "<br>\n";
## print CALLER_CALLEE_OUT "$_\n" for @html_metric_sort_header;
print CALLER_CALLEE_OUT "<pre>\n";
print CALLER_CALLEE_OUT "$_\n" for @html_caller_callee;
print CALLER_CALLEE_OUT "</pre>\n";
#-------------------------------------------------------------------------------
# Get the acknowledgement, return to main link, and final html statements.
#-------------------------------------------------------------------------------
$html_home = ${ generate_home_link ("left") };
$html_acknowledgement = ${ create_html_credits () };
$html_end = ${ terminate_html_document () };
print CALLER_CALLEE_OUT $html_home;
print CALLER_CALLEE_OUT "<br>\n";
print CALLER_CALLEE_OUT $html_acknowledgement;
print CALLER_CALLEE_OUT $html_end;
close (CALLER_CALLEE_OUT);
return (0);
} #-- End of subroutine generate_caller_callee
#------------------------------------------------------------------------------
# Generate the html version of the disassembly file.
#
# Note to self (TBD)
# https://software.intel.com/content/www/us/en/develop/blogs/intel-release-new-technology-specifications-protect-rop-attacks.html
#------------------------------------------------------------------------------
sub generate_dis_html
{
my $subr_name = get_my_name ();
my ($target_function_ref, $number_of_metrics_ref, $function_info_ref,
$function_address_and_index_ref, $outputdir_ref, $func_ref,
$source_line_ref, $metric_ref, $addressobj_index_ref) = @_;
my $target_function = ${ $target_function_ref };
my $number_of_metrics = ${ $number_of_metrics_ref };
my @function_info = @{ $function_info_ref };
my %function_address_and_index = %{ $function_address_and_index_ref };
my $outputdir = ${ $outputdir_ref };
my $func = ${ $func_ref };
my @source_line = @{ $source_line_ref };
my @metric = @{ $metric_ref };
my %addressobj_index = %{ $addressobj_index_ref };
my $dec_instruction_start;
my $dec_instruction_end;
my $hex_instruction_start;
my $hex_instruction_end;
my @colour_line = ();
my $hot_line;
my $metric_values;
my $src_line;
my $dec_instr_address;
my $instruction;
my $operands;
my $html_new_line = "<br>";
my $add_new_line_before;
my $add_new_line_after;
my $address_key;
my $boldface;
my $file;
my $filename = $func;
my $func_name;
my $orig_hex_instr_address;
my $hex_instr_address;
my $index_string;
my $input_metric;
my $linenumber;
my $name;
my $last_address;
my $last_address_in_hex;
my $file_title;
my $html_header;
my $html_home;
my $html_end;
my $branch_regex = $g_arch_specific_settings{"regex"};
my $convert_to_dot = $g_locale_settings{"convert_to_dot"};
my $decimal_separator = $g_locale_settings{"decimal_separator"};
my $hp_value = $g_user_settings{"highlight_percentage"}{"current_value"};
my $linksubexp = $g_arch_specific_settings{"linksubexp"};
my $subexp = $g_arch_specific_settings{"subexp"};
my $is_empty;
my %branch_target = ();
my %branch_target_no_ref = ();
my @disassembly_file = ();
my %extended_branch_target = ();
my %inverse_branch_target = ();
my @metrics = ();
my @modified_html = ();
my $branch_target_ref;
my $extended_branch_target_ref;
my $branch_target_no_ref_ref;
my $branch_address;
my $dec_branch_address;
my $found_it;
my $found_it_ref;
my $func_name_in_dis_file;
my $hex_branch_target;
my $instruction_address;
my $instruction_offset;
my $link;
my $modified_line;
my $raw_hex_branch_target;
my $src_line_ref;
my $threshold_line;
my $html_dis_out = $func . ".html";
#------------------------------------------------------------------------------
# The regex section.
#------------------------------------------------------------------------------
my $call_regex = '.*([0-9a-fA-F]*):\s+(call)\s*0x([0-9a-fA-F]+)';
my $line_of_interest_regex = '^#*\s+([\d' . $decimal_separator . '\s+]+)\[\s*(\d+|\?)\]';
my $white_space_regex = '\s+';
my $first_integer_regex = '^\d+$';
my $integer_regex = '\d+';
my $qmark_regex = '\?';
my $src_regex = '(\s*)(\d+)\.(.*)';
my $function_regex = '^(\s*)<Function:\s(.*)>';
my $end_src_header_regex = "(^\\s+)(\\d+)\\.\\s+(.*)";
my $end_dis_header_regex = "(^\\s+)(<Function: )(.*)>";
my $control_flow_1_regex = 'j[a-z]+';
my $control_flow_2_regex = 'call';
my $control_flow_3_regex = 'ret';
## my $function_call_regex2 = '(.*)\s+([0-9a-fA-F]*):\s+(call)\s*0x([0-9a-fA-F]+)\s*';
## my $endbr_regex = '\.*([0-9a-fA-F]*):\s+(endbr[32|64])';
#------------------------------------------------------------------------------
# Dynamic. Computed below.
#
# TBD: Try to move these up.
#------------------------------------------------------------------------------
my $dis_regex;
my $metric_regex;
gp_message ("debug", $subr_name, "g_branch_regex = $g_branch_regex");
gp_message ("debug", $subr_name, "call_regex = $call_regex");
gp_message ("debug", $subr_name, "g_function_call_v2_regex = $g_function_call_v2_regex");
my $the_title = set_title ($function_info_ref, $func, "disassembly");
gp_message ("debug", $subr_name, "the_title = $the_title");
$file_title = $the_title;
$html_header = ${ create_html_header (\$file_title) };
$html_home = ${ generate_home_link ("right") };
push (@modified_html, $html_header);
push (@modified_html, $html_home);
push (@modified_html, "<pre>");
#------------------------------------------------------------------------------
# Open the input and output files.
#------------------------------------------------------------------------------
open (INPUT_DISASSEMBLY, "<", $filename)
or die ("$subr_name - unable to open disassembly file $filename for reading: '$!'");
gp_message ("debug", $subr_name , "opened file $filename for reading");
open (HTML_OUTPUT, ">", $html_dis_out)
or die ("$subr_name - unable to open file $html_dis_out for writing: '$!'");
gp_message ("debug", $subr_name , "opened file $html_dis_out for writing");
#------------------------------------------------------------------------------
# Check if the file is empty
#------------------------------------------------------------------------------
$is_empty = is_file_empty ($filename);
if ($is_empty)
{
#------------------------------------------------------------------------------
# The input file is empty. Write a message in the html file and exit.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name ,"file $filename is empty");
my $comment = "No disassembly generated by $tool_name - file $filename is empty";
my $gp_error_file = $outputdir . "gp-listings.err";
my $html_empty_file_ref = html_text_empty_file (\$comment, \$gp_error_file);
my @html_empty_file = @{ $html_empty_file_ref };
print HTML_OUTPUT "$_\n" for @html_empty_file;
close (HTML_OUTPUT);
return (\@source_line);
}
else
{
#------------------------------------------------------------------------------
# Read the file into memory.
#------------------------------------------------------------------------------
chomp (@disassembly_file = <INPUT_DISASSEMBLY>);
gp_message ("debug", $subr_name ,"read file $filename into memory");
}
my $max_length_first_metric = 0;
my $src_line_no;
#------------------------------------------------------------------------------
# First scan through the assembly listing.
#------------------------------------------------------------------------------
for (my $line_no=0; $line_no <= $#disassembly_file; $line_no++)
{
my $input_line = $disassembly_file[$line_no];
gp_message ("debugXL", $subr_name, "[line $line_no] $input_line");
if ($input_line =~ /$line_of_interest_regex/)
{
#------------------------------------------------------------------------------
# Found a matching line. Examples are:
# 0.370 [37] 4021d1: addsd %xmm0,%xmm1
# ## 1.001 [36] 4021d5: add $0x1,%rax
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "selected line \$1 = $1 \$2 = $2");
if (defined ($2) and defined($1))
{
@metrics = split (/$white_space_regex/ ,$1);
$src_line_no = $2;
}
else
{
my $msg = "$input_line has an unexpected format";
gp_message ("assertion", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Compute the maximum length of the first metric and pad the field from the
# left later on. The fractional part is ignored.
#------------------------------------------------------------------------------
my $first_metric = $metrics[0];
my $new_length;
if ($first_metric =~ /$first_integer_regex/)
{
$new_length = length ($first_metric);
}
else
{
my @fields = split (/$decimal_separator/, $first_metric);
$new_length = length ($fields[0]);
}
$max_length_first_metric = max ($max_length_first_metric, $new_length);
my $msg;
$msg = "first_metric = $first_metric " .
"max_length_first_metric = $max_length_first_metric";
gp_message ("debugXL", $subr_name, $msg);
if ($src_line_no !~ /$qmark_regex/)
#------------------------------------------------------------------------------
# The source code line number is known and is stored.
#------------------------------------------------------------------------------
{
$source_line[$line_no] = $src_line_no;
my $msg;
$msg = "found an instruction with a source line ref: ";
$msg .= "source_line[$line_no] = $source_line[$line_no]";
gp_message ("debugXL", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Check for function calls. If found, get the address offset from $4 and
# compute the target address.
#------------------------------------------------------------------------------
($found_it_ref, $branch_target_ref, $extended_branch_target_ref) =
check_and_proc_dis_func_call (
\$input_line,
\$line_no,
\%branch_target,
\%extended_branch_target);
$found_it = ${ $found_it_ref };
if ($found_it)
{
%branch_target = %{ $branch_target_ref };
%extended_branch_target = %{ $extended_branch_target_ref };
}
#------------------------------------------------------------------------------
# Look for a branch instruction, or the special endbr32/endbr64 instruction
# that is also considered to be a branch target. Note that the latter is x86
# specific.
#------------------------------------------------------------------------------
($found_it_ref, $branch_target_ref, $extended_branch_target_ref,
$branch_target_no_ref_ref) = check_and_proc_dis_branches (
\$input_line,
\$line_no,
\%branch_target,
\%extended_branch_target,
\%branch_target_no_ref);
$found_it = ${ $found_it_ref };
if ($found_it)
{
%branch_target = %{ $branch_target_ref };
%extended_branch_target = %{ $extended_branch_target_ref };
%branch_target_no_ref = %{ $branch_target_no_ref_ref };
}
}
} #-- End of loop over line_no
%inverse_branch_target = reverse (%extended_branch_target);
gp_message ("debug", $subr_name, "generated inverse of branch target structure");
gp_message ("debug", $subr_name, "completed parsing file $filename");
for my $key (sort keys %branch_target)
{
gp_message ("debug", $subr_name, "branch_target{$key} = $branch_target{$key}");
}
for my $key (sort keys %extended_branch_target)
{
gp_message ("debug", $subr_name, "extended_branch_target{$key} = $extended_branch_target{$key}");
}
for my $key (sort keys %inverse_branch_target)
{
gp_message ("debug", $subr_name, "inverse_branch_target{$key} = $inverse_branch_target{$key}");
}
for my $key (sort keys %branch_target_no_ref)
{
gp_message ("debug", $subr_name, "branch_target_no_ref{$key} = $branch_target_no_ref{$key}");
$inverse_branch_target{$key} = $key;
}
for my $key (sort keys %inverse_branch_target)
{
gp_message ("debug", $subr_name, "inverse_branch_target{$key} = $inverse_branch_target{$key}");
}
#------------------------------------------------------------------------------
# Process the disassembly.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Dynamically generate the regexes.
#------------------------------------------------------------------------------
$metric_regex = '';
for my $metric_used (1 .. $number_of_metrics)
{
$metric_regex .= '(\d+' . $decimal_separator . '*\d*)\s+';
}
$dis_regex = '^(#{2}|\s{2})\s+';
$dis_regex .= '(.*)';
## $dis_regex .= '\[\s*([0-9?]+)\]\s+([0-9a-fA-F]+):\s+([a-z0-9]+)\s+(.*)';
$dis_regex .= '\[\s*([0-9?]+)\]\s+([0-9a-fA-F]+):\s+([a-z0-9]+)(.*)';
gp_message ("debugXL", $subr_name, "metric_regex = $metric_regex");
gp_message ("debugXL", $subr_name, "dis_regex = $dis_regex");
gp_message ("debugXL", $subr_name, "src_regex = $src_regex");
gp_message ("debugXL", $subr_name, "contents of lines array");
#------------------------------------------------------------------------------
# Identify the header lines. Make the minimal assumptions.
#
# In both cases, the first line after the header has whitespace. This is
# followed by:
#
# - A source line file has "<line_no>."
# - A dissasembly file has "<Function:"
#
# These are the characteristics we use below.
#------------------------------------------------------------------------------
for (my $line_no=0; $line_no <= $#disassembly_file; $line_no++)
{
my $input_line = $disassembly_file[$line_no];
gp_message ("debugXL", $subr_name, "[line $line_no] $input_line");
if ($input_line =~ /$end_src_header_regex/)
{
gp_message ("debugXL", $subr_name, "header time is over - hit source line\n");
gp_message ("debugXL", $subr_name, "$1 $2 $3\n");
last;
}
if ($input_line =~ /$end_dis_header_regex/)
{
gp_message ("debugXL", $subr_name, "header time is over - hit disassembly line\n");
last;
}
push (@modified_html, "<i>" . $input_line . "</i>");
}
my $line_index = scalar (@modified_html);
gp_message ("debugXL", $subr_name, "final line_index = $line_index");
for (my $line_no=0; $line_no <= $line_index-1; $line_no++)
{
my $msg = " modified_html[$line_no] = $modified_html[$line_no]";
gp_message ("debugXL", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Source line:
# 20. for (int64_t r=0; r<repeat_count; r++) {
#
# Disassembly:
# 0.340 [37] 401fec: addsd %xmm0,%xmm1
# ## 1.311 [36] 401ff0: addq $1,%rax
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Find the hot PCs and store them.
#------------------------------------------------------------------------------
my @hot_program_counters = ();
my @transposed_hot_pc = ();
my @max_metric_values = ();
gp_message ("debug", $subr_name, "determine the maximum metric values");
for (my $line_no=$line_index-1; $line_no <= $#disassembly_file; $line_no++)
{
my $input_line = $disassembly_file[$line_no];
if ( $input_line =~ /$dis_regex/ )
{
## if ( defined ($1) and defined ($2) and defined ($3) and
## defined ($4) and defined ($5) and defined ($6) )
if ( defined ($1) and defined ($2) and defined ($3) and
defined ($4) and defined ($5) )
{
$hot_line = $1;
$metric_values = $2;
$src_line = $3;
$dec_instr_address = bigint::hex ($4);
$instruction = $5;
if (defined ($6))
{
my $white_space_regex = '\s*';
$operands = $6;
$operands =~ s/$white_space_regex//;
}
if ($hot_line eq "##")
{
my @metrics = split (" ", $metric_values);
push (@hot_program_counters, [@metrics]);
}
}
}
}
for my $row (keys @hot_program_counters)
{
my $msg = "$filename row[" . $row . "] = ";
for my $col (keys @{$hot_program_counters[$row]})
{
$msg .= "$hot_program_counters[$row][$col] ";
$transposed_hot_pc[$col][$row] = $hot_program_counters[$row][$col];
}
gp_message ("debugXL", $subr_name, "hot PC = $msg");
}
for my $row (keys @transposed_hot_pc)
{
my $msg = "$filename row[" . $row . "] = ";
for my $col (keys @{$transposed_hot_pc[$row]})
{
$msg .= "$transposed_hot_pc[$row][$col] ";
}
gp_message ("debugXL", $subr_name, "$filename transposed = $msg");
}
#------------------------------------------------------------------------------
# Get the maximum metric values and if integer, convert to floating-point.
# Since it is easier, we transpose the array and access it over the columns.
#------------------------------------------------------------------------------
for my $row (0 .. $#transposed_hot_pc)
{
my $max_val = 0;
for my $col (0 .. $#{$transposed_hot_pc[$row]})
{
$max_val = max ($transposed_hot_pc[$row][$col], $max_val);;
}
if ($max_val =~ /$integer_regex/)
{
$max_val = sprintf ("%f", $max_val);
}
gp_message ("debugXL", $subr_name, "$filename row = $row max_val = $max_val");
push (@max_metric_values, $max_val);
}
for my $metric (0 .. $#max_metric_values)
{
my $msg = "$filename maximum[$metric] = $max_metric_values[$metric]";
gp_message ("debugM", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# TBD - Integrate this better.
#
# Scan the instructions to find the instruction address range. This is used
# to determine if a branch is external to this function.
#------------------------------------------------------------------------------
$dec_instruction_start = undef;
$dec_instruction_end = undef;
for (my $line_no=$line_index-1; $line_no <= $#disassembly_file; $line_no++)
{
my $input_line = $disassembly_file[$line_no];
if ( $input_line =~ /$dis_regex/ )
{
# if ( defined ($1) and defined ($2) and defined ($3) and
## defined ($4) and defined ($5) and defined ($6) )
if ( defined ($1) and defined ($2) and defined ($3) and
defined ($4) and defined ($5) )
{
$hot_line = $1;
$metric_values = $2;
$src_line = $3;
$dec_instr_address = bigint::hex ($4);
$instruction = $5;
## $operands = $6;
if (defined ($6))
{
my $white_space_regex = '\s*';
$operands = $6;
$operands =~ s/$white_space_regex//;
}
if (defined ($dec_instruction_start))
{
if ($dec_instr_address < $dec_instruction_start)
{
$dec_instruction_start = $dec_instr_address;
}
}
else
{
$dec_instruction_start = $dec_instr_address;
}
if (defined ($dec_instruction_end))
{
if ($dec_instr_address > $dec_instruction_end)
{
$dec_instruction_end = $dec_instr_address;
}
}
else
{
$dec_instruction_end = $dec_instr_address;
}
}
}
}
if (defined ($dec_instruction_start) and defined ($dec_instruction_end))
{
$hex_instruction_start = sprintf ("%x", $dec_instruction_start);
$hex_instruction_end = sprintf ("%x", $dec_instruction_end);
my $msg;
$msg = "$filename $func dec_instruction_start = " .
"$dec_instruction_start (0x$hex_instruction_start)";
gp_message ("debugXL", $subr_name, $msg);
$msg = "$filename $func dec_instruction_end = " .
"$dec_instruction_end (0x$hex_instruction_end)";
gp_message ("debugXL", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# This is where all the results from above come together.
#------------------------------------------------------------------------------
for (my $line_no=$line_index-1; $line_no <= $#disassembly_file; $line_no++)
{
my $input_line = $disassembly_file[$line_no];
gp_message ("debugXL", $subr_name, "input_line[$line_no] = $input_line");
if ( $input_line =~ /$dis_regex/ )
{
gp_message ("debugXL", $subr_name, "found a disassembly line: $input_line");
if ( defined ($1) and defined ($2) and defined ($3) and
defined ($4) and defined ($5) )
{
# $branch_target{$hex_branch_target} = 1;
# $extended_branch_target{$instruction_address} = $raw_hex_branch_target;
$hot_line = $1;
$metric_values = $2;
$src_line = $3;
$orig_hex_instr_address = $4;
$instruction = $5;
## $operands = $6;
my $msg = "disassembly line: $1 $2 $3 $4 $5";
if (defined ($6))
{
$msg .= " \$6 = $6";
my $white_space_regex = '\s*';
$operands = $6;
$operands =~ s/$white_space_regex//;
}
gp_message ("debugXL", $subr_name, $msg);
#------------------------------------------------------------------------------
# Pad the line with the metrics to ensure correct alignment.
#------------------------------------------------------------------------------
my $the_length;
my @split_metrics = split (" ", $metric_values);
my $first_metric = $split_metrics[0];
## if ($first_metric =~ /^\d+$/)
if ($first_metric =~ /$first_integer_regex/)
{
$the_length = length ($first_metric);
}
else
{
my @fields = split (/$decimal_separator/, $first_metric);
$the_length = length ($fields[0]);
}
my $spaces = $max_length_first_metric - $the_length;
my $pad = "";
for my $p (1 .. $spaces)
{
$pad .= " ";
}
$metric_values = $pad . $metric_values;
gp_message ("debugXL", $subr_name, "pad = $pad");
gp_message ("debugXL", $subr_name, "metric_values = $metric_values");
#------------------------------------------------------------------------------
# Since the instruction address variable may change and because we need the
# original address without html controls, we use a new variable for the
# (potentially) modified address.
#------------------------------------------------------------------------------
$hex_instr_address = $orig_hex_instr_address;
$add_new_line_before = $FALSE;
$add_new_line_after = $FALSE;
if ($src_line eq "?")
#------------------------------------------------------------------------------
# There is no source line number. Do not add a link.
#------------------------------------------------------------------------------
{
$modified_line = $hot_line . ' ' . $metric_values . ' [' . $src_line . '] ';
gp_message ("debugXL", $subr_name, "initialized modified_line = $modified_line");
}
else
{
#------------------------------------------------------------------------------
# There is a source line number. Mark it as link.
#------------------------------------------------------------------------------
$src_line_ref = "[<a href='#line_".$src_line."'>".$src_line."</a>]";
gp_message ("debugXL", $subr_name, "src_line_ref = $src_line_ref");
gp_message ("debugXL", $subr_name, "hex_instr_address = $hex_instr_address");
$modified_line = $hot_line . ' ' . $metric_values . ' ' . $src_line_ref . ' ';
gp_message ("debugXL", $subr_name, "initialized modified_line = $modified_line");
}
#------------------------------------------------------------------------------
# Mark control flow instructions. Several cases need to be distinguished.
#
# In all cases we give the instruction a specific color, mark it boldface
# and add a new-line after the instruction
#------------------------------------------------------------------------------
if ( ($instruction =~ /$control_flow_1_regex/) or
($instruction =~ /$control_flow_2_regex/) or
($instruction =~ /$control_flow_3_regex/) )
{
gp_message ("debugXL", $subr_name, "instruction = $instruction is a control flow instruction");
$add_new_line_after = $TRUE;
$boldface = $TRUE;
$instruction = color_string ($instruction, $boldface, $g_html_color_scheme{"control_flow"});
}
if (exists ($extended_branch_target{$hex_instr_address}))
#------------------------------------------------------------------------------
# This is a branch instruction and we need to add the target address.
#
# In case the target address is outside of this load object, the link is
# colored differently.
#
# TBD: Add the name and if possible, a working link to this code.
#------------------------------------------------------------------------------
{
$branch_address = $extended_branch_target{$hex_instr_address};
$dec_branch_address = bigint::hex ($branch_address);
if ( ($dec_branch_address >= $dec_instruction_start) and
($dec_branch_address <= $dec_instruction_end) )
#------------------------------------------------------------------------------
# The instruction is within the range.
#------------------------------------------------------------------------------
{
$link = "[ <a href='#".$branch_address."'>".$branch_address."</a> ]";
}
else
{
#------------------------------------------------------------------------------
# The instruction is outside of the range. Change the color of the link.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "address is outside of range");
$link = "[ <a href='#".$branch_address;
$link .= "' style='color:$g_html_color_scheme{'link_outside_range'}'>";
$link .= $branch_address."</a> ]";
}
gp_message ("debugXL", $subr_name, "address exists new link = $link");
$operands .= ' ' . $link;
gp_message ("debugXL", $subr_name, "update #1 modified_line = $modified_line");
}
if (exists ($branch_target_no_ref{$hex_instr_address}))
{
gp_message ("debugXL", $subr_name, "NEWBR branch_target_no_ref{$hex_instr_address} = $branch_target_no_ref{$hex_instr_address}");
}
## if (exists ($inverse_branch_target{$hex_instr_address}) or
## exists ($branch_target_no_ref{$hex_instr_address}))
if (exists ($inverse_branch_target{$hex_instr_address}))
#------------------------------------------------------------------------------
# This is a target address and we need to define the instruction address to be
# a label.
#------------------------------------------------------------------------------
{
$add_new_line_before = $TRUE;
my $branch_target = $inverse_branch_target{$hex_instr_address};
my $target = "<a name='".$hex_instr_address."'><b>".$hex_instr_address."</b></a>:";
gp_message ("debugXL", $subr_name, "inverse exists - hex_instr_address = $hex_instr_address");
gp_message ("debugXL", $subr_name, "inverse exists - add a target target = $target");
$hex_instr_address = "<a name='".$hex_instr_address."'><b>".$hex_instr_address."</b></a>";
gp_message ("debugXL", $subr_name, "update #2 hex_instr_address = $hex_instr_address");
gp_message ("debugXL", $subr_name, "update #2 modified_line = $modified_line");
}
$modified_line .= $hex_instr_address . ': ' . $instruction . ' ' . $operands;
gp_message ("debugXL", $subr_name, "final modified_line = $modified_line");
#------------------------------------------------------------------------------
# This is a control flow instruction, but it is the last one and we do not
# want to add a newline.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "decide where the <br> should go in the html");
gp_message ("debugXL", $subr_name, "add_new_line_after = $add_new_line_after");
gp_message ("debugXL", $subr_name, "add_new_line_before = $add_new_line_before");
if ( $add_new_line_after and ($orig_hex_instr_address eq $hex_instruction_end) )
{
$add_new_line_after = $FALSE;
gp_message ("debugXL", $subr_name, "$instruction is the last instruction - do not add a newline");
}
if ($add_new_line_before)
{
#------------------------------------------------------------------------------
# Get the previous line, if any, so that we can check what it is.
#------------------------------------------------------------------------------
my $prev_line = pop (@modified_html);
if ( defined ($prev_line) )
{
gp_message ("debugXL", $subr_name, "prev_line = $prev_line");
#------------------------------------------------------------------------------
# Restore the previously popped line.
#------------------------------------------------------------------------------
push (@modified_html, $prev_line);
if ($prev_line ne $html_new_line)
{
gp_message ("debugXL", $subr_name, "add_new_line_before = $add_new_line_before pushed $html_new_line");
#------------------------------------------------------------------------------
# There is no new-line yet, so add it.
#------------------------------------------------------------------------------
push (@modified_html, $html_new_line);
}
else
{
#------------------------------------------------------------------------------
# It was a new-line, so do nothing and continue.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "need to restore $html_new_line");
}
}
}
#------------------------------------------------------------------------------
# Add the newly created line.
#------------------------------------------------------------------------------
if ($hot_line eq "##")
#------------------------------------------------------------------------------
# Highlight the most expensive line.
#------------------------------------------------------------------------------
{
$modified_line = set_background_color_string (
$modified_line,
$g_html_color_scheme{"background_color_hot"});
}
#------------------------------------------------------------------------------
# Sub-highlight the lines close enough to the hot line.
#------------------------------------------------------------------------------
else
{
my @current_metrics = split (" ", $metric_values);
for my $metric (0 .. $#current_metrics)
{
my $current_value;
my $max_value;
$current_value = $current_metrics[$metric];
#------------------------------------------------------------------------------
# As part of the padding process, non-breaking spaces may have been inserted
# in an earlier phase. Temporarily remove these to make sure that the maximum
# metric values can be computed.
#------------------------------------------------------------------------------
$current_value =~ s/ //g;
if (exists ($max_metric_values[$metric]))
{
$max_value = $max_metric_values[$metric];
gp_message ("debugXL", $subr_name, "metric = $metric current_value = $current_value max_value = $max_value");
if ( ($max_value > 0) and ($current_value > 0) and ($current_value != $max_value) )
{
# TBD: abs needed?
gp_message ("debugXL", $subr_name, "metric = $metric current_value = $current_value max_value = $max_value");
my $relative_distance = 1.00 - abs ( ($max_value - $current_value)/$max_value );
gp_message ("debugXL", $subr_name, "relative_distance = $relative_distance");
if (($hp_value > 0) and ($relative_distance >= $hp_value/100.0))
{
gp_message ("debugXL", $subr_name, "metric $metric is within the relative_distance");
gp_message ("debugXL", $subr_name, "change bg modified_line = $modified_line");
$modified_line = set_background_color_string (
$modified_line,
$g_html_color_scheme{"background_color_lukewarm"});
last;
}
}
}
}
}
## my @max_metric_values = ();
push (@modified_html, $modified_line);
if ($add_new_line_after)
{
gp_message ("debugXL", $subr_name, "add_new_line_after = $add_new_line_after pushed $html_new_line");
push (@modified_html, $html_new_line);
}
}
else
{
my $msg = "parsing line $input_line";
gp_message ("assertion", $subr_name, $msg);
}
}
elsif ( $input_line =~ /$src_regex/ )
{
if ( defined ($1) and defined ($2) )
{
####### BUG?
gp_message ("debugXL", $subr_name, "found a source code line: $input_line");
gp_message ("debugXL", $subr_name, "\$1 = $1");
gp_message ("debugXL", $subr_name, "\$2 = $2");
gp_message ("debugXL", $subr_name, "\$3 = $3");
my $blanks = $1;
my $src_line = $2;
my $src_code = $3;
#------------------------------------------------------------------------------
# We need to replace the "<" symbol in the code by "<".
#------------------------------------------------------------------------------
$src_code =~ s/$g_less_than_regex/$g_html_less_than_regex/g;
my $target = "<a name='line_".$src_line."'>".$src_line.".</a>";
gp_message ("debugXL", $subr_name, "src target = $target $src_code");
my $modified_line = $blanks . $target . $src_code;
gp_message ("debugXL", $subr_name, "modified_line = $modified_line");
push (@modified_html, $modified_line);
}
else
{
my $msg = "parsing line $input_line";
gp_message ("assertion", $subr_name, $msg);
}
}
elsif ( $input_line =~ /$function_regex/ )
{
my $html_name;
if (defined ($1) and defined ($2))
{
$func_name_in_dis_file = $2;
my $spaces = $1;
my $boldface = $TRUE;
gp_message ("debugXL", $subr_name, "function_name = $2");
my $function_line = "<Function: " . $func_name_in_dis_file . ">";
##### HACK
if ($func_name_in_dis_file eq $target_function)
{
my $color_function_name = color_string (
$function_line,
$boldface,
$g_html_color_scheme{"target_function_name"});
my $label = "<a id=\"" . $g_function_tag_id{$target_function} . "\"></a>";
$html_name = $label . $spaces . "<i>" . $color_function_name . "</i>";
}
else
{
my $color_function_name = color_string (
$function_line,
$boldface,
$g_html_color_scheme{"non_target_function_name"});
$html_name = "<i>" . $spaces . $color_function_name . "</i>";
}
push (@modified_html, $html_name);
}
else
{
my $msg = "parsing line $input_line";
gp_message ("assertion", $subr_name, $msg);
}
}
}
#------------------------------------------------------------------------------
# Add an extra line with diagnostics.
#
# TBD: The same is done in process_source but should be done only once.
#------------------------------------------------------------------------------
if ($hp_value > 0)
{
my $rounded_percentage = sprintf ("%.1f", $hp_value);
$threshold_line = "<i>The setting for the highlight percentage (-hp) option: $rounded_percentage (%)</i>";
}
else
{
$threshold_line = "<i>The highlight percentage (-hp) feature is not enabled</i>";
}
$html_home = ${ generate_home_link ("left") };
$html_end = ${ terminate_html_document () };
push (@modified_html, "</pre>");
push (@modified_html, $html_new_line);
push (@modified_html, $threshold_line);
push (@modified_html, $html_home);
push (@modified_html, $html_new_line);
push (@modified_html, $g_html_credits_line);
push (@modified_html, $html_end);
for my $i (0 .. $#modified_html)
{
gp_message ("debugXL", $subr_name, "[$i] -> $modified_html[$i]");
}
for my $i (0 .. $#modified_html)
{
print HTML_OUTPUT "$modified_html[$i]" . "\n";
}
close (HTML_OUTPUT);
close (INPUT_DISASSEMBLY);
gp_message ("debug", $subr_name, "output is in file $html_dis_out");
gp_message ("debug", $subr_name ,"completed processing disassembly");
undef %branch_target;
undef %extended_branch_target;
undef %inverse_branch_target;
return (\@source_line, \@metric);
} #-- End of subroutine generate_dis_html
#------------------------------------------------------------------------------
# Generate all the function level information.
#------------------------------------------------------------------------------
sub generate_function_level_info
{
my $subr_name = get_my_name ();
my ($exp_dir_list_ref, $call_metrics, $summary_metrics, $input_string,
$sort_fields_ref) = @_;
my @exp_dir_list = @{ $exp_dir_list_ref };
my @sort_fields = @{ $sort_fields_ref };
my $expr_name;
my $first_metric;
my $gp_display_text_cmd;
my $gp_functions_cmd;
my $ignore_value;
my $script_pc_metrics;
my $outputdir = append_forward_slash ($input_string);
my $script_file_PC = $outputdir."gp-script-PC";
my $result_file = $outputdir."gp-out-PC.err";
my $gp_error_file = $outputdir."gp-out-PC.err";
my $func_limit = $g_user_settings{func_limit}{current_value};
#------------------------------------------------------------------------------
# The number of entries in the Function Overview includes <Total>, but that is
# not a concern to the user and we add "1" to compensate for this.
#------------------------------------------------------------------------------
$func_limit += 1;
gp_message ("debug", $subr_name, "increased the local value for func_limit = $func_limit");
$expr_name = join (" ", @exp_dir_list);
gp_message ("debug", $subr_name, "expr_name = $expr_name");
for my $i (0 .. $#sort_fields)
{
gp_message ("debug", $subr_name, "sort_fields[$i] = $sort_fields[$i]");
}
# Ruud $count = 0;
gp_message ("debug", $subr_name, "calling $GP_DISPLAY_TEXT to get function information files");
open (SCRIPT_PC, ">", $script_file_PC)
or die ("$subr_name - unable to open script file $script_file_PC for writing: '$!'");
gp_message ("debug", $subr_name, "opened file $script_file_PC for writing");
#------------------------------------------------------------------------------
# Get the list of functions.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Get the first metric.
#------------------------------------------------------------------------------
$summary_metrics =~ /^([^:]+)/;
$first_metric = $1;
$g_first_metric = $1;
$script_pc_metrics = "address:$summary_metrics";
gp_message ("debugXL", $subr_name, "$func_limit");
gp_message ("debugXL", $subr_name, "$summary_metrics");
gp_message ("debugXL", $subr_name, "$first_metric");
gp_message ("debugXL", $subr_name, "$script_pc_metrics");
# Temporarily disabled print SCRIPT_PC "# limit $func_limit\n";
# Temporarily disabled print SCRIPT_PC "limit $func_limit\n";
print SCRIPT_PC "# thread_select all\n";
print SCRIPT_PC "thread_select all\n";
#------------------------------------------------------------------------------
# Empty header.
#------------------------------------------------------------------------------
print SCRIPT_PC "# outfile $outputdir"."header\n";
print SCRIPT_PC "outfile $outputdir"."header\n";
#------------------------------------------------------------------------------
# Else the output from the next line goes to last sort.func
#------------------------------------------------------------------------------
print SCRIPT_PC "# outfile $outputdir"."gp-metrics-functions-PC\n";
print SCRIPT_PC "outfile $outputdir"."gp-metrics-functions-PC\n";
print SCRIPT_PC "# metrics $script_pc_metrics\n";
print SCRIPT_PC "metrics $script_pc_metrics\n";
#------------------------------------------------------------------------------
# Not really sorted
#------------------------------------------------------------------------------
print SCRIPT_PC "# outfile $outputdir"."functions.sort.func-PC\n";
print SCRIPT_PC "outfile $outputdir"."functions.sort.func-PC\n";
print SCRIPT_PC "# functions\n";
print SCRIPT_PC "functions\n";
print SCRIPT_PC "# outfile $outputdir"."functions.sort.func-PC2\n";
print SCRIPT_PC "outfile $outputdir"."functions.sort.func-PC2\n";
print SCRIPT_PC "# metrics address:name:$summary_metrics\n";
print SCRIPT_PC "metrics address:name:$summary_metrics\n";
print SCRIPT_PC "# sort $first_metric\n";
print SCRIPT_PC "sort $first_metric\n";
print SCRIPT_PC "# functions\n";
print SCRIPT_PC "functions\n";
#------------------------------------------------------------------------------
# Go through all the possible metrics and sort by each of them.
#------------------------------------------------------------------------------
for my $field (@sort_fields)
{
gp_message ("debug", $subr_name, "sort_fields field = $field");
#------------------------------------------------------------------------------
# Else the output from the next line goes to last sort.func
#------------------------------------------------------------------------------
print SCRIPT_PC "# outfile $outputdir"."gp-metrics-".$field."-PC\n";
print SCRIPT_PC "outfile $outputdir"."gp-metrics-".$field."-PC\n";
print SCRIPT_PC "# metrics $script_pc_metrics\n";
print SCRIPT_PC "metrics $script_pc_metrics\n";
print SCRIPT_PC "# outfile $outputdir".$field.".sort.func-PC\n";
print SCRIPT_PC "outfile $outputdir".$field.".sort.func-PC\n";
print SCRIPT_PC "# sort $field\n";
print SCRIPT_PC "sort $field\n";
print SCRIPT_PC "# functions\n";
print SCRIPT_PC "functions\n";
print SCRIPT_PC "# metrics address:name:$summary_metrics\n";
print SCRIPT_PC "metrics address:name:$summary_metrics\n";
print SCRIPT_PC "# outfile $outputdir".$field.".sort.func-PC2\n";
print SCRIPT_PC "outfile $outputdir".$field.".sort.func-PC2\n";
print SCRIPT_PC "# sort $field\n";
print SCRIPT_PC "sort $field\n";
print SCRIPT_PC "# functions\n";
print SCRIPT_PC "functions\n";
}
#------------------------------------------------------------------------------
# Get caller-callee list
#------------------------------------------------------------------------------
print SCRIPT_PC "# outfile " . $outputdir."caller-callee-PC2\n";
print SCRIPT_PC "outfile " . $outputdir."caller-callee-PC2\n";
print SCRIPT_PC "# metrics address:name:$summary_metrics\n";
print SCRIPT_PC "metrics address:name:$summary_metrics\n";
print SCRIPT_PC "# callers-callees\n";
print SCRIPT_PC "callers-callees\n";
#------------------------------------------------------------------------------
# Else the output from the next line goes to last sort.func
#------------------------------------------------------------------------------
print SCRIPT_PC "# outfile $outputdir"."gp-metrics-calls-PC\n";
print SCRIPT_PC "outfile $outputdir"."gp-metrics-calls-PC\n";
$script_pc_metrics = "address:$call_metrics";
print SCRIPT_PC "# metrics $script_pc_metrics\n";
print SCRIPT_PC "metrics $script_pc_metrics\n";
#------------------------------------------------------------------------------
# Not really sorted
#------------------------------------------------------------------------------
print SCRIPT_PC "# outfile $outputdir"."calls.sort.func-PC\n";
print SCRIPT_PC "outfile $outputdir"."calls.sort.func-PC\n";
#------------------------------------------------------------------------------
# Get caller-callee list
#------------------------------------------------------------------------------
print SCRIPT_PC "# callers-callees\n";
print SCRIPT_PC "callers-callees\n";
#------------------------------------------------------------------------------
# Else the output from the next line goes to last sort.func
#------------------------------------------------------------------------------
print SCRIPT_PC "# outfile $outputdir"."gp-metrics-calltree-PC\n";
print SCRIPT_PC "outfile $outputdir"."gp-metrics-calltree-PC\n";
print SCRIPT_PC "# metrics $script_pc_metrics\n";
print SCRIPT_PC "metrics $script_pc_metrics\n";
if ($g_user_settings{"calltree"}{"current_value"} eq "on")
{
gp_message ("verbose", $subr_name, "Generate the file with the calltree information");
#------------------------------------------------------------------------------
# Get calltree list
#------------------------------------------------------------------------------
print SCRIPT_PC "# outfile $outputdir"."calltree.sort.func-PC\n";
print SCRIPT_PC "outfile $outputdir"."calltree.sort.func-PC\n";
print SCRIPT_PC "# calltree\n";
print SCRIPT_PC "calltree\n";
}
#------------------------------------------------------------------------------
# Get the default set of metrics
#------------------------------------------------------------------------------
my $full_metrics_ref;
my $all_metrics;
my $full_function_view = $outputdir . "functions.full";
$full_metrics_ref = get_all_the_metrics (\$expr_name, \$outputdir);
$all_metrics = "address:name:";
$all_metrics .= ${$full_metrics_ref};
gp_message ("debug", $subr_name, "all_metrics = $all_metrics");
#------------------------------------------------------------------------------
# Get the name, address, and full overview of all metrics for all functions
#------------------------------------------------------------------------------
print SCRIPT_PC "# limit 0\n";
print SCRIPT_PC "limit 0\n";
print SCRIPT_PC "# metrics $all_metrics\n";
print SCRIPT_PC "metrics $all_metrics\n";
print SCRIPT_PC "# thread_select all\n";
print SCRIPT_PC "thread_select all\n";
print SCRIPT_PC "# sort default\n";
print SCRIPT_PC "sort default\n";
print SCRIPT_PC "# outfile $full_function_view\n";
print SCRIPT_PC "outfile $full_function_view\n";
print SCRIPT_PC "# functions\n";
print SCRIPT_PC "functions\n";
close (SCRIPT_PC);
$result_file = $outputdir."gp-out-PC.err";
$gp_error_file = $outputdir.$g_gp_error_logfile;
$gp_functions_cmd = "$GP_DISPLAY_TEXT -limit $func_limit ";
$gp_functions_cmd .= "-viewmode machine -compare off ";
$gp_functions_cmd .= "-script $script_file_PC $expr_name";
gp_message ("debug", $subr_name, "calling $GP_DISPLAY_TEXT to get function level information");
$gp_display_text_cmd = "$gp_functions_cmd 1> $result_file 2>> $gp_error_file";
gp_message ("debugXL", $subr_name,"cmd = $gp_display_text_cmd");
my ($error_code, $cmd_output) = execute_system_cmd ($gp_display_text_cmd);
if ($error_code != 0)
{
$ignore_value = msg_display_text_failure ($gp_display_text_cmd,
$error_code,
$gp_error_file);
gp_message ("abort", "execution terminated");
}
#-------------------------------------------------------------------------------
# Parse the full function view and store the data.
#-------------------------------------------------------------------------------
my @input_data = ();
my $empty_line_regex = '^\s*$';
## my $full_function_view = $outputdir . "functions.full";
open (ALL_FUNC_DATA, "<", $full_function_view)
or die ("$subr_name - unable to open output file $full_function_view for reading '$!'");
gp_message ("debug", $subr_name, "opened file $full_function_view for reading");
chomp (@input_data = <ALL_FUNC_DATA>);
my $start_scanning = $FALSE;
for (my $line = 0; $line <= $#input_data; $line++)
{
my $input_line = $input_data[$line];
# if ($input_line =~ /^<Total>\s+.*/)
if ($input_line =~ /\s*(\d+:0x[a-fA-F0-9]+)\s+(\S+)\s+(.*)/)
{
$start_scanning = $TRUE;
}
elsif ($input_line =~ /$empty_line_regex/)
{
$start_scanning = $FALSE;
}
if ($start_scanning)
{
gp_message ("debugXL", $subr_name, "$line: $input_data[$line]");
push (@g_full_function_view_table, $input_data[$line]);
my $hex_address;
my $full_hex_address = $1;
my $routine = $2;
my $all_metrics = $3;
if ($full_hex_address =~ /(\d+):0x(\S+)/)
{
$hex_address = "0x" . $2;
}
$g_function_view_all{$routine}{"hex_address"} = $hex_address;
$g_function_view_all{$routine}{"all_metrics"} = $all_metrics;
}
}
for my $i (keys %g_function_view_all)
{
gp_message ("debugXL", $subr_name, "key = $i $g_function_view_all{$i}{'hex_address'} $g_function_view_all{$i}{'all_metrics'}");
}
for my $i (keys @g_full_function_view_table)
{
gp_message ("debugXL", $subr_name, "g_full_function_view_table[$i] = $i $g_full_function_view_table[$i]");
}
return ($script_pc_metrics);
} #-- End of subroutine generate_function_level_info
#------------------------------------------------------------------------------
# Generate all the files needed for the function view.
#------------------------------------------------------------------------------
sub generate_function_view
{
my $subr_name = get_my_name ();
my ($directory_name_ref, $summary_metrics_ref, $number_of_metrics_ref,
$function_info_ref, $function_view_structure_ref, $function_address_info_ref,
$sort_fields_ref, $exp_dir_list_ref, $addressobjtextm_ref) = @_;
my $directory_name = ${ $directory_name_ref };
my @function_info = @{ $function_info_ref };
my %function_view_structure = %{ $function_view_structure_ref };
my $summary_metrics = ${ $summary_metrics_ref };
my $number_of_metrics = ${ $number_of_metrics_ref };
my %function_address_info = %{ $function_address_info_ref };
my @sort_fields = @{ $sort_fields_ref };
my @exp_dir_list = @{ $exp_dir_list_ref };
my %addressobjtextm = %{ $addressobjtextm_ref };
my @abs_path_exp_dirs = ();
my @experiment_directories;
my $target_function;
my $html_line;
my $ftag;
my $routine_length;
my %html_source_functions = ();
my $href_link;
my $infile;
my $input_experiments;
my $keep_value;
my $loadobj;
my $address_field;
my $address_offset;
my $msg;
my $exe;
my $extra_field;
my $new_target_function;
my $file_title;
my $html_output_file;
my $html_function_view;
my $overview_file;
my $exp_name;
my $exp_type;
my $html_header;
my $routine;
my $length_header;
my $length_metrics;
my $full_index_line;
my $acknowledgement;
my @full_function_view_line = ();
my $spaces;
my $size_text;
my $position_text;
my $html_first_metric_file;
my $html_new_line = "<br>";
my $html_acknowledgement;
my $html_end;
my $html_home;
my $page_title;
my $html_title_header;
my $outputdir = append_forward_slash ($directory_name);
my $LANG = $g_locale_settings{"LANG"};
my $decimal_separator = $g_locale_settings{"decimal_separator"};
$input_experiments = join (", ", @exp_dir_list);
for my $i (0 .. $#exp_dir_list)
{
my $dir = get_basename ($exp_dir_list[$i]);
push @abs_path_exp_dirs, $dir;
}
$input_experiments = join (", ", @abs_path_exp_dirs);
gp_message ("debug", $subr_name, "input_experiments = $input_experiments");
#------------------------------------------------------------------------------
# TBD: This should be done only once and much earlier.
#------------------------------------------------------------------------------
@experiment_directories = split (",", $input_experiments);
#------------------------------------------------------------------------------
# For every function in the function overview, set up an html structure with
# the various hyperlinks.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Core loop that generates an HTML line for each function.
#------------------------------------------------------------------------------
my $top_of_table = $FALSE;
for my $i (0 .. $#function_info)
{
if (defined ($function_info[$i]{"alt_name"}))
{
$target_function = $function_info[$i]{"alt_name"};
}
else
{
my $msg = "function_info[$i]{\"alt_name\"} is not defined";
gp_message ("assertion", $subr_name, $msg);
}
$html_source_functions{$target_function} = $function_info[$i]{"html function block"};
}
for my $i (sort keys %html_source_functions)
{
gp_message ("debugXL", $subr_name, "html_source_functions{$i} = $html_source_functions{$i}");
}
$file_title = "Function view for experiments " . $input_experiments;
#------------------------------------------------------------------------------
# Example input file:
# Current metrics: address:name:e.totalcpu:e.cycles:e+insts:e+llm
# Current Sort Metric: Exclusive Total CPU Time ( e.totalcpu )
# Current Sort Metric: Exclusive Total CPU Time ( e.totalcpu )
# Functions sorted by metric: Exclusive Total CPU Time
#
# PC Addr. Name Excl. Excl. CPU Excl. Excl.
# Total Cycles Instructions Last-Level
# CPU sec. sec. Executed Cache Misses
# 1:0x00000000 <Total> 3.502 4.005 15396819700 24024250
# 2:0x000021ae mxv_core 3.342 3.865 14500538981 23824045
# 6:0x0003af50 erand48_r 0.080 0.084 768240570 0
# 2:0x00001f7b init_data 0.040 0.028 64020043 200205
# 6:0x0003b160 __drand48_iterate 0.020 0. 0 0
# ...
#------------------------------------------------------------------------------
for my $metric (@sort_fields)
{
$overview_file = $outputdir . $metric . ".sort.func-PC2";
$exp_type = $metric;
if ($metric eq "functions")
{
$html_function_view .= $g_html_base_file_name{"function_view"} . ".html";
}
else
{
$html_function_view = $g_html_base_file_name{"function_view"} . "." . $metric . ".html";
}
#------------------------------------------------------------------------------
# The default function view is based upon the first metric in the list. We use
# this file in the index.html file.
#------------------------------------------------------------------------------
if ($metric eq $g_first_metric)
{
$html_first_metric_file = $html_function_view;
my $txt = "g_first_metric = $g_first_metric ";
$txt .= "html_first_metric_file = $html_first_metric_file";
gp_message ("debugXL", $subr_name, $txt);
}
$html_output_file = $outputdir . $html_function_view;
open (FUNCTION_VIEW, ">", $html_output_file)
or die ("$subr_name - unable to open file $html_output_file for writing - '$!'");
gp_message ("debug", $subr_name, "opened file $html_output_file for writing");
$html_home = ${ generate_home_link ("right") };
$html_header = ${ create_html_header (\$file_title) };
$page_title = "Function View";
$size_text = "h2";
$position_text = "center";
$html_title_header = ${ generate_a_header (\$page_title, \$size_text, \$position_text) };
print FUNCTION_VIEW $html_header;
print FUNCTION_VIEW $html_home;
print FUNCTION_VIEW $html_title_header;
print FUNCTION_VIEW "$_" for @g_html_experiment_stats;
print FUNCTION_VIEW $html_new_line . "\n";
my $function_view_structure_ref = process_function_overview (
\$metric,
\$exp_type,
\$summary_metrics,
\$number_of_metrics,
\@function_info,
\%function_view_structure,
\$overview_file);
my %function_view_structure = %{ $function_view_structure_ref };
#------------------------------------------------------------------------------
# Core part: extract the true function name and find the html code for it.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "the final table");
print FUNCTION_VIEW "<pre>\n";
print FUNCTION_VIEW "$_\n" for @{ $function_view_structure{"header"} };
my $max_length_header = $function_view_structure{"max header length"};
my $max_length_metrics = $function_view_structure{"max metrics length"};
#------------------------------------------------------------------------------
# Add 4 more spaces for the distance to the function names. Purely cosmetic.
#------------------------------------------------------------------------------
my $pad = max ($max_length_metrics, $max_length_header) + 4;
my $spaces = "";
for my $i (1 .. $pad)
{
$spaces .= " ";
}
#------------------------------------------------------------------------------
# Add extra space for the /blank/*/ marker!
#------------------------------------------------------------------------------
$spaces .= " ";
my $func_header = $spaces . $function_view_structure{"table name"};
gp_message ("debugXL", $subr_name, "func_header = " . $func_header);
print FUNCTION_VIEW $spaces . "<b>" .
$function_view_structure{"table name"} .
"</b>" . $html_new_line . "\n";
#------------------------------------------------------------------------------
# If the header is longer than the metrics, add spaces to padd the difference.
# Also add the same 4 spaces between the metric values and the function name.
#------------------------------------------------------------------------------
$pad = 0;
if ($max_length_header > $max_length_metrics)
{
$pad = $max_length_header - $max_length_metrics;
}
$pad += 4;
$spaces = "";
for my $i (1 .. $pad)
{
$spaces .= " ";
}
#------------------------------------------------------------------------------
# This is where it literally all comes together. The metrics and function
# parts are combined.
#------------------------------------------------------------------------------
## for my $i (keys @{ $function_view_structure{"function table"} })
for my $i (0 .. $#{ $function_view_structure{"function table"} })
{
my $p1 = $function_view_structure{"metrics part"}[$i];
my $p2 = $function_view_structure{"function table"}[$i];
$full_index_line = $p1 . $spaces . $p2;
push (@full_function_view_line, $full_index_line);
}
print FUNCTION_VIEW "$_\n" for @full_function_view_line;
#-------------------------------------------------------------------------------
# Clear the array before filling it up again.
#-------------------------------------------------------------------------------
@full_function_view_line = ();
#-------------------------------------------------------------------------------
# Get the acknowledgement, return to main link, and final html statements.
#-------------------------------------------------------------------------------
$html_home = ${ generate_home_link ("left") };
$html_acknowledgement = ${ create_html_credits () };
$html_end = ${ terminate_html_document () };
print FUNCTION_VIEW "</pre>\n";
print FUNCTION_VIEW $html_home;
print FUNCTION_VIEW $html_new_line . "\n";
print FUNCTION_VIEW $html_acknowledgement;
print FUNCTION_VIEW $html_end;
close (FUNCTION_VIEW);
}
return (\$html_first_metric_file);
} #-- End of subroutine generate_function_view
#------------------------------------------------------------------------------
# Generate an html line that links back to index.html. The text can either
# be positioned to the left or to the right.
#------------------------------------------------------------------------------
sub generate_home_link
{
my $subr_name = get_my_name ();
my ($which_side) = @_;
my $html_home_line;
if (($which_side ne "left") and ($which_side ne "right"))
{
my $msg = "which_side = $which_side not supported";
gp_message ("assertion", $subr_name, $msg);
}
$html_home_line .= "<div class=\"" . $which_side . "\">";
$html_home_line .= "<br><a href='" . $g_html_base_file_name{"index"};
$html_home_line .= ".html' style='background-color:";
$html_home_line .= $g_html_color_scheme{"index"};
$html_home_line .= "'><b>Return to main view</b></a>";
$html_home_line .= "</div>";
return (\$html_home_line);
} #-- End of subroutine generate_home_link
#------------------------------------------------------------------------------
# Generate a block of html for this function block.
#------------------------------------------------------------------------------
sub generate_html_function_blocks
{
my $subr_name = get_my_name ();
my (
$index_start_ref,
$index_end_ref,
$hex_addresses_ref,
$the_metrics_ref,
$length_first_metric_ref,
$special_marker_ref,
$the_function_name_ref,
$separator_ref,
$number_of_metrics_ref,
$data_function_block_ref,
$function_info_ref,
$function_view_structure_ref) = @_;
my $index_start = ${ $index_start_ref };
my $index_end = ${ $index_end_ref };
my @hex_addresses = @{ $hex_addresses_ref };
my @the_metrics = @{ $the_metrics_ref };
my @length_first_metric = @{ $length_first_metric_ref };
my @special_marker = @{ $special_marker_ref };
my @the_function_name = @{ $the_function_name_ref};
my $separator = ${ $separator_ref };
my $number_of_metrics = ${ $number_of_metrics_ref };
my $data_function_block = ${ $data_function_block_ref };
my @function_info = @{ $function_info_ref };
my %function_view_structure = %{ $function_view_structure_ref };
my $decimal_separator = $g_locale_settings{"decimal_separator"};
my @html_block_prologue = ();
my @html_code_function_block = ();
my @function_lines = ();
my @fields = ();
my @address_field = ();
my @metric_values = ();
my @function_names = ();
my @final_function_names = ();
my @marker = ();
my @split_number = ();
my @function_tags = ();
my $all_metrics;
my $current_function_name;
my $no_of_fields;
my $name_regex;
my $full_hex_address;
my $hex_address;
my $target_function;
my $marker_function;
my $routine;
my $routine_length;
my $metrics_length;
my $max_metrics_length = 0;
my $modified_line;
my $string_length;
my $addr_offset;
my $current_address;
my $found_a_match;
my $ref_index;
my $alt_name;
my $length_first_field;
my $gap;
my $ipad;
my $html_line;
my $target_tag;
my $tag_for_header;
my $href_file;
my $found_alt_name;
my $name_in_header;
my $create_hyperlinks;
state $first_call = $TRUE;
state $reference_length;
#------------------------------------------------------------------------------
# If the length of the first metric is less than the maximum over all first
# metrics, add spaces to the left to ensure correct alignment.
#------------------------------------------------------------------------------
for my $k ($index_start .. $index_end)
{
my $pad = $g_max_length_first_metric - $length_first_metric[$k];
if ($pad ge 1)
{
my $spaces = "";
for my $s (1 .. $pad)
{
$spaces .= " ";
}
$the_metrics[$k] = $spaces . $the_metrics[$k];
my $msg = "padding spaces = $spaces the_metrics[$k] = $the_metrics[$k]";
gp_message ("debugXL", $subr_name, $msg);
}
## my $end_game = "end game3=> pad = $pad" . $hex_addresses[$k] . " " . $the_metrics[$k] . " " . $special_marker[$k] . $the_function_name[$k];
## gp_message ("debugXL", $subr_name, $end_game);
}
#------------------------------------------------------------------------------
# An example what @function_lines should look like after the split:
# <empty>
# 6:0x0003ad20 drand48 0.100 0.084 768240570 0
# 6:0x0003af50 *erand48_r 0.080 0.084 768240570 0
# 6:0x0003b160 __drand48_iterate 0.020 0. 0 0
#------------------------------------------------------------------------------
@function_lines = split ($separator, $data_function_block);
#------------------------------------------------------------------------------
# Parse the individual lines. Replace multi-occurrence functions by their
# unique alternative name and mark the target function.
#
# The above split operation produces an empty first field because the line
# starts with the separator. This is why skip the first field.
#------------------------------------------------------------------------------
for my $i ($index_start .. $index_end)
{
my $input_line = $the_metrics[$i];
gp_message ("debugXL", $subr_name, "the_metrics[$i] = ". $the_metrics[$i]);
#------------------------------------------------------------------------------
# In case the last metric is 0. only, we append 3 extra characters that
# represent zero. We cannot change the number to 0.000 though because that
# has a different interpretation than 0.
# In a later phase, the "ZZZ" symbol will be removed again, but for now it
# creates consistency in, for example, the length of the metrics part.
#------------------------------------------------------------------------------
if ($input_line =~ /[\w0-9$decimal_separator]*(0$decimal_separator$)/)
{
if (defined ($1) )
{
my $decimal_point = $decimal_separator;
$decimal_point =~ s/\\//;
my $txt = "input_line = $input_line = ended with 0";
$txt .= $decimal_point;
gp_message ("debugXL", $subr_name, $txt);
$the_metrics[$i] .= "ZZZ";
}
}
$hex_address = $hex_addresses[$i];
$marker_function = $special_marker[$i];
$routine = $the_function_name[$i];
#------------------------------------------------------------------------------
# Get the length of the metrics line before ZZZ is replaced by spaces.
#------------------------------------------------------------------------------
$all_metrics = $the_metrics[$i];
$metrics_length = length ($all_metrics);
$all_metrics =~ s/ZZZ/ /g;
$max_metrics_length = max ($max_metrics_length, $metrics_length);
push (@marker, $marker_function);
push (@address_field, $hex_address);
push (@metric_values, $all_metrics);
push (@function_names, $routine);
my $index_into_function_info_ref = get_index_function_info (
\$routine,
\$hex_addresses[$i],
$function_info_ref);
my $index_into_function_info = ${ $index_into_function_info_ref };
$target_tag = $function_info[$index_into_function_info]{"tag_id"};
$alt_name = $function_info[$index_into_function_info]{"alt_name"};
#------------------------------------------------------------------------------
# Keep the name of the target function (the one marked with a *) for later use.
# This is the tag that identifies the block in the caller-callee output. The
# tag is used in the link to the caller-callee in the function overview.
#------------------------------------------------------------------------------
if ($marker_function eq "*")
{
$tag_for_header = $target_tag;
$name_in_header = $alt_name;
#------------------------------------------------------------------------------
# We need to replace the "<" symbol in the code by "<".
#------------------------------------------------------------------------------
$name_in_header =~ s/$g_less_than_regex/$g_html_less_than_regex/g;
}
push (@final_function_names, $alt_name);
push (@function_tags, $target_tag);
gp_message ("debugXL", $subr_name, "index_into_function_info = $index_into_function_info");
gp_message ("debugXL", $subr_name, "target_tag = $target_tag");
gp_message ("debugXL", $subr_name, "alt_name = $alt_name");
} #-- End of loop for my $i ($index_start .. $index_end)
my $tag_line = "<a id='" . $tag_for_header . "'></a>";
$html_line = "<br>\n";
$html_line .= $tag_line . "Function name: ";
$html_line .= "<span style='color:" . $g_html_color_scheme{"target_function_name"} . "'>";
$html_line .= "<b>" . $name_in_header . "</b></span>\n";
$html_line .= "<br>";
push (@html_block_prologue, $html_line);
gp_message ("debugXL", $subr_name, "the final function block for $name_in_header");
$href_file = $g_html_base_file_name{"caller_callee"} . ".html";
#------------------------------------------------------------------------------
# Process the function blocks and generate the HTML structure for them.
#------------------------------------------------------------------------------
for my $i (0 .. $#final_function_names)
{
$current_function_name = $final_function_names[$i];
gp_message ("debugXL", $subr_name, "current_function_name = $current_function_name");
#------------------------------------------------------------------------------
# Do not add hyperlinks for <Total>.
#------------------------------------------------------------------------------
if ($current_function_name eq "<Total>")
{
$create_hyperlinks = $FALSE;
}
else
{
$create_hyperlinks = $TRUE;
}
#------------------------------------------------------------------------------
# We need to replace the "<" symbol in the code by "<".
#------------------------------------------------------------------------------
$current_function_name =~ s/$g_less_than_regex/$g_html_less_than_regex/g;
$html_line = $metric_values[$i] . " ";
if ($marker[$i] eq "*")
{
$current_function_name = "<b>" . $current_function_name . "</b>";
}
$html_line .= " <a href='" . $href_file . "#" . $function_tags[$i] . "'>" . $current_function_name . "</a>";
if ($marker[$i] eq "*")
{
$html_line = "<br>" . $html_line;
}
elsif (($marker[$i] ne "*") and ($i == 0))
{
$html_line = "<br>" . $html_line;
}
gp_message ("debugXL", $subr_name, "html_line = $html_line");
#------------------------------------------------------------------------------
# Find the index into "function_info" for this particular function.
#------------------------------------------------------------------------------
$routine = $function_names[$i];
$current_address = $address_field[$i];
my $target_index_ref = find_index_in_function_info (\$routine, \$current_address, \@function_info);
my $target_index = ${ $target_index_ref };
gp_message ("debugXL", $subr_name, "routine = $routine current_address = $current_address target_index = $target_index");
#------------------------------------------------------------------------------
# TBD Do this once for each function and store the result. This is a saving
# because functions may and typically will appear more than once.
#------------------------------------------------------------------------------
my $spaces_left = $function_view_structure{"max function length"} - $function_info[$target_index]{"function length"};
#------------------------------------------------------------------------------
# Add the links to the line. Make sure there is at least one space.
#------------------------------------------------------------------------------
my $spaces = " ";
for my $k (1 .. $spaces_left)
{
$spaces .= " ";
}
if ($create_hyperlinks)
{
$html_line .= $spaces;
$html_line .= $function_info[$target_index]{"href_source"};
$html_line .= " ";
$html_line .= $function_info[$target_index]{"href_disassembly"};
}
push (@html_code_function_block, $html_line);
}
for my $lines (0 .. $#html_code_function_block)
{
gp_message ("debugXL", $subr_name, "final html block = " . $html_code_function_block[$lines]);
}
return (\@html_block_prologue, \@html_code_function_block);
} #-- End of subroutine generate_html_function_blocks
#------------------------------------------------------------------------------
# Generate the index.html file.
#------------------------------------------------------------------------------
sub generate_index
{
my $subr_name = get_my_name ();
my ($outputdir_ref, $html_first_metric_file_ref, $summary_metrics_ref,
$number_of_metrics_ref, $function_info_ref, $function_address_info_ref,
$sort_fields_ref, $exp_dir_list_ref, $addressobjtextm_ref,
$metric_description_reversed_ref, $number_of_warnings_ref,
$table_execution_stats_ref) = @_;
my $outputdir = ${ $outputdir_ref };
my $html_first_metric_file = ${ $html_first_metric_file_ref };
my $summary_metrics = ${ $summary_metrics_ref };
my $number_of_metrics = ${ $number_of_metrics_ref };
my @function_info = @{ $function_info_ref };
my %function_address_info = %{ $function_address_info_ref };
my @sort_fields = @{ $sort_fields_ref };
my @exp_dir_list = @{ $exp_dir_list_ref };
my %addressobjtextm = %{ $addressobjtextm_ref };
my %metric_description_reversed = %{ $metric_description_reversed_ref };
my $number_of_warnings = ${ $number_of_warnings_ref };
my @table_execution_stats = @{ $table_execution_stats_ref };
my @file_contents = ();
my $acknowledgement;
my @abs_path_exp_dirs = ();
my $input_experiments;
my $target_function;
my $html_line;
my $ftag;
my $max_length = 0;
my %html_source_functions = ();
my $html_header;
my @experiment_directories = ();
my $html_acknowledgement;
my $html_file_title;
my $html_output_file;
my $html_function_view;
my $html_caller_callee_view;
my $html_experiment_info;
my $html_warnings_page;
my $href_link;
my $file_title;
my $html_gprofng;
my $html_end;
my $max_length_metrics;
my $page_title;
my $size_text;
my $position_text;
my $ln;
my $base;
my $base_index_page;
my $infile;
my $outfile;
my $rec;
my $skip;
my $callsize;
my $dest;
my $final_string;
my @headers;
my $header;
my $sort_index;
my $pc_address;
my $anchor;
my $directory_name;
my $f2;
my $f3;
my $file;
my $sline;
my $src;
my $srcfile_name;
my $tmp1;
my $tmp2;
my $fullsize;
my $regf2;
my $trimsize;
my $EIL;
my $EEIL;
my $AOBJ;
my $RI;
my $HDR;
my $CALLER_CALLEE;
my $NAME;
my $SRC;
my $TRIMMED;
#------------------------------------------------------------------------------
# Add a forward slash to make it easier when creating file names.
#------------------------------------------------------------------------------
$outputdir = append_forward_slash ($outputdir);
gp_message ("debug", $subr_name, "outputdir = $outputdir");
my $LANG = $g_locale_settings{"LANG"};
my $decimal_separator = $g_locale_settings{"decimal_separator"};
$input_experiments = join (", ", @exp_dir_list);
for my $i (0 .. $#exp_dir_list)
{
my $dir = get_basename ($exp_dir_list[$i]);
push @abs_path_exp_dirs, $dir;
}
$input_experiments = join (", ", @abs_path_exp_dirs);
gp_message ("debug", $subr_name, "input_experiments = $input_experiments");
#------------------------------------------------------------------------------
# TBD: Pass in the values for $expr_name and $cmd
#------------------------------------------------------------------------------
$html_file_title = "Main index page";
@experiment_directories = split (",", $input_experiments);
$html_acknowledgement = ${ create_html_credits () };
$html_end = ${ terminate_html_document () };
$html_output_file = $outputdir . $g_html_base_file_name{"index"} . ".html";
open (INDEX, ">", $html_output_file)
or die ("$subr_name - unable to open file $html_output_file for writing - '$!'");
gp_message ("debug", $subr_name, "opened file $html_output_file for writing");
$page_title = "GPROFNG Performance Analysis";
$size_text = "h1";
$position_text = "center";
$html_gprofng = ${ generate_a_header (\$page_title, \$size_text, \$position_text) };
$html_header = ${ create_html_header (\$html_file_title) };
print INDEX $html_header;
print INDEX $html_gprofng;
print INDEX "$_" for @g_html_experiment_stats;
print INDEX "$_" for @table_execution_stats;
$html_experiment_info = "<a href=\'";
$html_experiment_info .= $g_html_base_file_name{"experiment_info"} . ".html";
$html_experiment_info .= "\'><h3>Experiment Details</h3></a>\n";
$html_warnings_page = "<a href=\'";
$html_warnings_page .= $g_html_base_file_name{"warnings"} . ".html";
$html_warnings_page .= "\'><h3>Warnings (" . $number_of_warnings . ")</h3></a>\n";
$html_function_view = "<a href=\'";
$html_function_view .= $html_first_metric_file;
$html_function_view .= "\'><h3>Function View</h3></a>\n";
$html_caller_callee_view = "<a href=\'";
$html_caller_callee_view .= $g_html_base_file_name{"caller_callee"} . ".html";
$html_caller_callee_view .= "\'><h3>Caller Callee View</h3></a>\n";
print INDEX "<br>\n";
## print INDEX "<b>\n";
print INDEX $html_experiment_info;
print INDEX $html_warnings_page;;
## print INDEX "<br>\n";
## print INDEX "<br>\n";
print INDEX $html_function_view;
## print INDEX "<br>\n";
## print INDEX "<br>\n";
print INDEX $html_caller_callee_view;
## print INDEX "</b>\n";
## print INDEX "<br>\n";
## print INDEX "<br>\n";
print INDEX $html_acknowledgement;
print INDEX $html_end;
close (INDEX);
gp_message ("debug", $subr_name, "closed file $html_output_file");
return (0);
} #-- End of subroutine generate_index
#------------------------------------------------------------------------------
# Get all the metrics available
#
# (gp-display-text) metric_list
# Current metrics: e.totalcpu:i.totalcpu:e.cycles:e+insts:e+llm:name
# Current Sort Metric: Exclusive Total CPU Time ( e.totalcpu )
# Available metrics:
# Exclusive Total CPU Time: e.%totalcpu
# Inclusive Total CPU Time: i.%totalcpu
# Exclusive CPU Cycles: e.+%cycles
# Inclusive CPU Cycles: i.+%cycles
# Exclusive Instructions Executed: e+%insts
# Inclusive Instructions Executed: i+%insts
# Exclusive Last-Level Cache Misses: e+%llm
# Inclusive Last-Level Cache Misses: i+%llm
# Exclusive Instructions Per Cycle: e+IPC
# Inclusive Instructions Per Cycle: i+IPC
# Exclusive Cycles Per Instruction: e+CPI
# Inclusive Cycles Per Instruction: i+CPI
# Size: size
# PC Address: address
# Name: name
#------------------------------------------------------------------------------
sub get_all_the_metrics
{
my $subr_name = get_my_name ();
my ($experiments_ref, $outputdir_ref) = @_;
my $experiments = ${ $experiments_ref };
my $outputdir = ${ $outputdir_ref };
my $ignore_value;
my $gp_functions_cmd;
my $gp_display_text_cmd;
my $metrics_output_file = $outputdir . "metrics-all";
my $result_file = $outputdir . $g_gp_output_file;
my $gp_error_file = $outputdir . $g_gp_error_logfile;
my $script_file_metrics = $outputdir . "script-metrics";
my @metrics_data = ();
open (SCRIPT_METRICS, ">", $script_file_metrics)
or die ("$subr_name - unable to open script file $script_file_metrics for writing: '$!'");
gp_message ("debug", $subr_name, "opened script file $script_file_metrics for writing");
print SCRIPT_METRICS "# outfile $metrics_output_file\n";
print SCRIPT_METRICS "outfile $metrics_output_file\n";
print SCRIPT_METRICS "# metric_list\n";
print SCRIPT_METRICS "metric_list\n";
close (SCRIPT_METRICS);
$gp_functions_cmd = "$GP_DISPLAY_TEXT -script $script_file_metrics $experiments";
gp_message ("debug", $subr_name, "calling $GP_DISPLAY_TEXT to get all the metrics");
$gp_display_text_cmd = "$gp_functions_cmd 1>> $result_file 2>> $gp_error_file";
gp_message ("debug", $subr_name, "cmd = $gp_display_text_cmd");
my ($error_code, $cmd_output) = execute_system_cmd ($gp_display_text_cmd);
if ($error_code != 0)
{
$ignore_value = msg_display_text_failure ($gp_display_text_cmd,
$error_code,
$gp_error_file);
gp_message ("abort", $subr_name, "execution terminated");
}
open (METRICS_INFO, "<", $metrics_output_file)
or die ("$subr_name - unable to open file $metrics_output_file for reading '$!'");
gp_message ("debug", $subr_name, "opened file $metrics_output_file for reading");
#------------------------------------------------------------------------------
# Read the input file into memory.
#------------------------------------------------------------------------------
chomp (@metrics_data = <METRICS_INFO>);
gp_message ("debug", $subr_name, "read all contents of file $metrics_output_file into memory");
gp_message ("debug", $subr_name, "\$#metrics_data = $#metrics_data");
my $input_line;
my $ignore_lines_regex = '^(?:Current|Available|\s+Size:|\s+PC Address:|\s+Name:)';
my $split_line_regex = '(.*): (.*)';
my $empty_line_regex = '^\s*$';
my @metric_list_all = ();
for (my $line_no=0; $line_no <= $#metrics_data; $line_no++)
{
$input_line = $metrics_data[$line_no];
## if ( not (($input_line =~ /$ignore_lines_regex/ or ($input_line =~ /^\s*$/))))
if ( not ($input_line =~ /$ignore_lines_regex/) and not ($input_line =~ /$empty_line_regex/) )
{
if ($input_line =~ /$split_line_regex/)
{
#------------------------------------------------------------------------------
# Remove the percentages.
#------------------------------------------------------------------------------
my $metric_definition = $2;
$metric_definition =~ s/\%//g;
gp_message ("debug", $subr_name, "line_no = $line_no $metrics_data[$line_no] metric_definition = $metric_definition");
push (@metric_list_all, $metric_definition);
}
}
}
gp_message ("debug", $subr_name, "\@metric_list_all = @metric_list_all");
my $final_list = join (":", @metric_list_all);
gp_message ("debug", $subr_name, "final_list = $final_list");
close (METRICS_INFO);
return (\$final_list);
} #-- End of subroutine get_all_the_metrics
#------------------------------------------------------------------------------
# A simple function to return the basename using fileparse. To keep things
# simple, a suffixlist is not supported. In case this is needed, use the
# fileparse function directly.
#------------------------------------------------------------------------------
sub get_basename
{
my ($full_name) = @_;
my $ignore_value_1;
my $ignore_value_2;
my $basename_value;
($basename_value, $ignore_value_1, $ignore_value_2) = fileparse ($full_name);
return ($basename_value);
} #-- End of subroutine get_basename
#------------------------------------------------------------------------------
# Get the details on the experiments and store these in a file. Each
# experiment has its own file. This makes the processing easier.
#------------------------------------------------------------------------------
sub get_experiment_info
{
my $subr_name = get_my_name ();
my ($outputdir_ref, $exp_dir_list_ref) = @_;
my $outputdir = ${ $outputdir_ref };
my @exp_dir_list = @{ $exp_dir_list_ref };
my $cmd_output;
my $current_slot;
my $error_code;
my $exp_info_file;
my @exp_info = ();
my @experiment_data = ();
my $gp_error_file;
my $gp_display_text_cmd;
my $gp_functions_cmd;
my $gp_log_file;
my $ignore_value;
my $overview_file;
my $result_file;
my $script_file;
my $the_experiments;
$the_experiments = join (" ", @exp_dir_list);
$script_file = $outputdir . "gp-info-exp.script";
$exp_info_file = $outputdir . "gp-info-exp-list.out";
$overview_file = $outputdir . "gp-overview.out";
$gp_log_file = $outputdir . $g_gp_output_file;
$gp_error_file = $outputdir . $g_gp_error_logfile;
open (SCRIPT_EXPERIMENT_INFO, ">", $script_file)
or die ("$subr_name - unable to open script file $script_file for writing: '$!'");
gp_message ("debug", $subr_name, "opened script file $script_file for writing");
#------------------------------------------------------------------------------
# Attributed User CPU Time=a.user : for calltree - see P37 in manual
#------------------------------------------------------------------------------
print SCRIPT_EXPERIMENT_INFO "# compare on\n";
print SCRIPT_EXPERIMENT_INFO "compare on\n";
print SCRIPT_EXPERIMENT_INFO "# outfile $exp_info_file\n";
print SCRIPT_EXPERIMENT_INFO "outfile $exp_info_file\n";
print SCRIPT_EXPERIMENT_INFO "# exp_list\n";
print SCRIPT_EXPERIMENT_INFO "exp_list\n";
print SCRIPT_EXPERIMENT_INFO "# outfile $overview_file\n";
print SCRIPT_EXPERIMENT_INFO "outfile $overview_file\n";
print SCRIPT_EXPERIMENT_INFO "# overview\n";
print SCRIPT_EXPERIMENT_INFO "overview\n";
close SCRIPT_EXPERIMENT_INFO;
$gp_functions_cmd = "$GP_DISPLAY_TEXT -script $script_file $the_experiments";
gp_message ("debug", $subr_name, "executing $GP_DISPLAY_TEXT to get the experiment information");
$gp_display_text_cmd = "$gp_functions_cmd 1>> $gp_log_file 2>> $gp_error_file";
($error_code, $cmd_output) = execute_system_cmd ($gp_display_text_cmd);
if ($error_code != 0)
{
$ignore_value = msg_display_text_failure ($gp_display_text_cmd,
$error_code,
$gp_error_file);
gp_message ("abort", $subr_name, "execution terminated");
}
#-------------------------------------------------------------------------------
# The first file has the following format:
#
# ID Sel PID Experiment
# == === ======= ======================================================
# 1 yes 2078714 <absolute_path/mxv.hwc.1.thr.er
# 2 yes 2078719 <absolute_path/mxv.hwc.2.thr.er
#-------------------------------------------------------------------------------
open (EXP_INFO, "<", $exp_info_file)
or die ("$subr_name - unable to open file $exp_info_file for reading '$!'");
gp_message ("debug", $subr_name, "opened script file $exp_info_file for reading");
chomp (@exp_info = <EXP_INFO>);
#-------------------------------------------------------------------------------
# TBD - Check for the groups to exist below:
#-------------------------------------------------------------------------------
$current_slot = 0;
for my $i (0 .. $#exp_info)
{
my $input_line = $exp_info[$i];
gp_message ("debug", $subr_name, "$i => exp_info[$i] = $exp_info[$i]");
if ($input_line =~ /^\s*(\d+)\s+(.+)/)
{
my $exp_id = $1;
my $remainder = $2;
$experiment_data[$current_slot]{"exp_id"} = $exp_id;
$experiment_data[$current_slot]{"exp_data_file"} = $outputdir . "gp-info-exp-" . $exp_id . ".out";
gp_message ("debug", $subr_name, $i . " " . $exp_id . " " . $remainder);
if ($remainder =~ /^(\w+)\s+(\d+)\s+(.+)/)
{
my $exp_name = $3;
$experiment_data[$current_slot]{"exp_name_full"} = $exp_name;
$experiment_data[$current_slot]{"exp_name_short"} = get_basename ($exp_name);
$current_slot++;
gp_message ("debug", $subr_name, $i . " " . $1 . " " . $2 . " " . $3);
}
else
{
my $msg = "remainder = $remainder has an unexpected format";
gp_message ("assertion", $subr_name, $msg);
}
}
}
#-------------------------------------------------------------------------------
# The experiment IDs and names are known. We can now generate the info for
# each individual experiment.
#-------------------------------------------------------------------------------
$gp_log_file = $outputdir . $g_gp_output_file;
$gp_error_file = $outputdir . $g_gp_error_logfile;
$script_file = $outputdir . "gp-details-exp.script";
open (SCRIPT_EXPERIMENT_DETAILS, ">", $script_file)
or die ("$subr_name - unable to open script file $script_file for writing: '$!'");
gp_message ("debug", $subr_name, "opened script file $script_file for writing");
for my $i (sort keys @experiment_data)
{
my $exp_id = $experiment_data[$i]{"exp_id"};
$result_file = $experiment_data[$i]{"exp_data_file"};
# statistics
# header
print SCRIPT_EXPERIMENT_DETAILS "# outfile " . $result_file . "\n";
print SCRIPT_EXPERIMENT_DETAILS "outfile " . $result_file . "\n";
print SCRIPT_EXPERIMENT_DETAILS "# header " . $exp_id . "\n";
print SCRIPT_EXPERIMENT_DETAILS "header " . $exp_id . "\n";
print SCRIPT_EXPERIMENT_DETAILS "# statistics " . $exp_id . "\n";
print SCRIPT_EXPERIMENT_DETAILS "statistics " . $exp_id . "\n";
}
close (SCRIPT_EXPERIMENT_DETAILS);
$gp_functions_cmd = "$GP_DISPLAY_TEXT -script $script_file $the_experiments";
gp_message ("debug", $subr_name, "executing $GP_DISPLAY_TEXT to get the experiment details");
$gp_display_text_cmd = "$gp_functions_cmd 1>> $gp_log_file 2>> $gp_error_file";
($error_code, $cmd_output) = execute_system_cmd ($gp_display_text_cmd);
if ($error_code != 0)
#-------------------------------------------------------------------------------
# This is unlikely to happen, but you never know.
#-------------------------------------------------------------------------------
{
$ignore_value = msg_display_text_failure ($gp_display_text_cmd,
$error_code,
$gp_error_file);
gp_message ("abort", $subr_name, "execution terminated");
}
return (\@experiment_data);
} #-- End of subroutine get_experiment_info
#------------------------------------------------------------------------------
# This subroutine returns a string of the type "size=<n>", where <n> is the
# size of the file passed in. If n > 1024, a unit is appended.
#------------------------------------------------------------------------------
sub getfilesize
{
my $subr_name = get_my_name ();
my ($filename) = @_;
my $size;
my $file_stat;
if (not -e $filename)
{
#------------------------------------------------------------------------------
# The return value is used in the caller. This is why we return the empty
# string in case the file does not exist.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "filename = $filename not found");
return ("");
}
else
{
$file_stat = stat ($filename);
$size = $file_stat->size;
gp_message ("debug", $subr_name, "filename = $filename");
gp_message ("debug", $subr_name, "size = $size");
if ($size > 1024)
{
if ($size > 1024*1024)
{
$size = $size/1024/1024;
$size =~ s/\..*//;
$size = $size."MB";
}
else
{
$size = $size/1024;
$size =~ s/\..*//;
$size = $size."KB";
}
}
else
{
$size=$size." bytes";
}
gp_message ("debug", $subr_name, "size = $size title=\"$size\"");
return ("title=\"$size\"");
}
} #-- End of subroutine getfilesize
#------------------------------------------------------------------------------
# Parse the fsummary output and for all functions, store all the information
# found in "function_info". In addition to this, several derived structures
# are stored as well, making this structure a "onestop" place to get all the
# info that is needed.
#------------------------------------------------------------------------------
sub get_function_info
{
my $subr_name = get_my_name ();
my ($FSUMMARY_FILE) = @_;
#------------------------------------------------------------------------------
# The regex section.
#------------------------------------------------------------------------------
my $white_space_regex = '\s*';
my @function_info = ();
my %function_address_and_index = ();
my %LINUX_vDSO = ();
my %function_view_structure = ();
my %addressobjtextm = ();
#------------------------------------------------------------------------------
# TBD: This structure is no longer used and most likely can be removed.
#------------------------------------------------------------------------------
my %functions_index = ();
# TBD: check
my $full_address_field;
my %source_files = ();
my $i;
my $line;
my $routine_flag;
my $value;
my $whatever;
my $df_flag;
my $address_decimal;
my $routine;
my $num_source_files = 0;
my $number_of_functions = 0;
my $number_of_unique_functions = 0;
my $number_of_non_unique_functions = 0;
#------------------------------------------------------------------------------
# Open the file generated using the -fsummary option.
#------------------------------------------------------------------------------
open (FSUMMARY_FILE, "<", $FSUMMARY_FILE)
or die ("$subr_name - unable to open $FSUMMARY_FILE for reading: '$!'");
gp_message ("debug", $subr_name, "opened file $FSUMMARY_FILE for reading");
#------------------------------------------------------------------------------
# This is the typical structure of the fsummary output:
#
# Current Sort Metric: Exclusive Total CPU Time ( e.totalcpu )
# Functions sorted by metric: Exclusive Total CPU Time
#
# <Total>
# Exclusive Total CPU Time: 11.538 (100.0%)
# Inclusive Total CPU Time: 11.538 (100.0%)
# Size: 0
# PC Address: 1:0x00000000
# Source File: (unknown)
# Object File: (unknown)
# Load Object: <Total>
# Mangled Name:
# Aliases:
#
# a_function_name
# Exclusive Total CPU Time: 4.003 ( 34.7%)
# Inclusive Total CPU Time: 4.003 ( 34.7%)
# Size: 715
# PC Address: 2:0x00006c61
# Source File: <absolute path to source file>
# Object File: <object filename>
# Load Object: <executable name>
# Mangled Name:
# Aliases:
#
# The previous block is repeated for every function.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Skip the header. The header is defined to end with a blank line.
#------------------------------------------------------------------------------
while (<FSUMMARY_FILE>)
{
$line = $_;
chomp ($line);
if ($line =~ /^\s*$/)
{
last;
}
}
#------------------------------------------------------------------------------
# Process the remaining blocks. Note that the first line should be <Total>,
# but this is currently not checked.
#------------------------------------------------------------------------------
$i = 0;
$routine_flag = $TRUE;
while (<FSUMMARY_FILE>)
{
$line = $_;
chomp ($line);
gp_message ("debugXL", $subr_name, "line = $line");
if ($line =~ /^\s*$/)
#------------------------------------------------------------------------------
# Blank line.
#------------------------------------------------------------------------------
{
$routine_flag = $TRUE;
$df_flag = 0;
#------------------------------------------------------------------------------
# Linux vDSO exception
#
# TBD: Check if still relevant.
#------------------------------------------------------------------------------
if ($function_info[$i]{"Load Object"} eq "DYNAMIC_FUNCTIONS")
{
$LINUX_vDSO{substr ($function_info[$i]{"addressobjtext"},1)} = $function_info[$i]{"routine"};
}
$i++;
next;
}
if ($routine_flag)
#------------------------------------------------------------------------------
# Should be the first line after the blank line.
#------------------------------------------------------------------------------
{
$routine = $line;
push (@{ $g_map_function_to_index{$routine} }, $i);
gp_message ("debugXL", $subr_name, "pushed i = $i to g_map_function_to_index{$routine}");
#------------------------------------------------------------------------------
# In a later parsing phase we need to know how many fields there are in a
# function name. For example, "<static>@0x21850 (<libc-2.28.so>)" is name that
# may show up in a function list.
#
# Here we determine the number of fields and store it.
#------------------------------------------------------------------------------
my @fields_in_name = split (" ", $routine);
$function_info[$i]{"fields in routine name"} = scalar (@fields_in_name);
#------------------------------------------------------------------------------
# This name may change if the function has multiple occurrences, but in any
# case, at the end of this routine this component has the final name to be
# used.
#------------------------------------------------------------------------------
$function_info[$i]{"alt_name"} = $routine;
if (not exists ($g_function_occurrences{$routine}))
{
gp_message ("debugXL", $subr_name, "the entry in function_info for $routine does not exist");
$function_info[$i]{"routine"} = $routine;
$g_function_occurrences{$routine} = 1;
gp_message ("debugXL", $subr_name, "g_function_occurrences{$routine} = $g_function_occurrences{$routine}");
}
else
{
gp_message ("debugXL", $subr_name, "the entry in function_info for $routine exists already");
$function_info[$i]{"routine"} = $routine;
$g_function_occurrences{$routine} += 1;
if (not exists ($g_multi_count_function{$routine}))
{
$g_multi_count_function{$routine} = $TRUE;
}
my $msg = "g_function_occurrences{$routine} = " .
$g_function_occurrences{$routine};
gp_message ("debugXL", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# New: used when generating the index.
#------------------------------------------------------------------------------
$function_info[$i]{"function length"} = length ($routine);
$function_info[$i]{"tag_id"} = create_function_tag ($i);
if (not exists ($g_function_tag_id{$routine}))
{
$g_function_tag_id{$routine} = create_function_tag ($i);
}
else
{
#------------------------------------------------------------------------------
## TBD HACK!!! CHECK!!!!!
#------------------------------------------------------------------------------
$g_function_tag_id{$routine} = $i;
}
$routine_flag = $FALSE;
gp_message ("debugXL", $subr_name, "stored " . $function_info[$i]{"routine"});
#------------------------------------------------------------------------------
# The $functions_index hash contains an array. After an initial assignment,
# other values that have been found are pushed onto the arrays.
#------------------------------------------------------------------------------
if (not exists ($functions_index{$routine}))
{
$functions_index{$routine} = [$i];
}
else
{
#------------------------------------------------------------------------------
# Add the array index to the list
#------------------------------------------------------------------------------
push (@{$functions_index{$routine}}, $i);
}
next;
}
#------------------------------------------------------------------------------
# Expected format of an input line:
# Exclusive Total CPU Time: 4.003 ( 34.7%)
# or:
# Source File: <absolute_path>/name_of_source_file
#------------------------------------------------------------------------------
$line =~ s/^\s+//;
my @input_fields = split (":", $line);
my $no_of_elements = scalar (@input_fields);
gp_message ("debugXL", $subr_name, "#input_fields = $#input_fields");
gp_message ("debugXL", $subr_name, "no_of_elements = $no_of_elements");
gp_message ("debugXL", $subr_name, "input_fields[0] = $input_fields[0]");
if ($no_of_elements == 1)
{
$whatever = $input_fields[0];
$value = "";
}
elsif ($no_of_elements == 2)
{
#------------------------------------------------------------------------------
# Note that value may consist of multiple fields (e.g. 1.651 ( 95.4%)).
#------------------------------------------------------------------------------
$whatever = $input_fields[0];
$value = $input_fields[1];
}
elsif ($no_of_elements == 3)
{
#------------------------------------------------------------------------------
# Assumption: must be an address field. Restore the second colon.
#------------------------------------------------------------------------------
$whatever = $input_fields[0];
$value = $input_fields[1] . ":" . $input_fields[2];
}
else
{
my $msg = "unexpected: number of fields = " . $no_of_elements;
gp_message ("assertion", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Remove any leading whitespace characters.
#------------------------------------------------------------------------------
$value =~ s/$white_space_regex//;
gp_message ("debugXL", $subr_name, "whatever = $whatever value = $value");
$function_info[$i]{$whatever} = $value;
#------------------------------------------------------------------------------
# TBD: Seems to be not used anymore and can most likely be removed. Check this.
#------------------------------------------------------------------------------
if ($whatever =~ /Source File/)
{
if (!exists ($source_files{$value}))
{
$source_files{$value} = $TRUE;
$num_source_files++;
}
}
if ($whatever =~ /PC Address/)
{
my $segment;
my $offset;
#------------------------------------------------------------------------------
# The format of the address is assumed to be the following 2:0x000070a8
# Note that the regex is pretty wide. This is from the original code and
# could be made more specific:
# if ($value =~ /\s*(\S+):(\S+)/)
#------------------------------------------------------------------------------
# if ($value =~ /\s*(\S+):(\S+)/)
if ($value =~ /\s*(\d+):0x([0-9a-zA-Z]+)/)
{
$segment = $1;
$offset = $2;
#------------------------------------------------------------------------------
# Convert to a base 10 number
#------------------------------------------------------------------------------
$address_decimal = bigint::hex ($offset); # decimal
#------------------------------------------------------------------------------
# Construct the address field. Note that we use the hex address here.
#------------------------------------------------------------------------------
$full_address_field = '@'.$segment.":0x".$offset; # e.g. @2:0x0003f280
$function_info[$i]{"addressobj"} = $address_decimal;
$function_info[$i]{"addressobjtext"} = $full_address_field;
$addressobjtextm{$full_address_field} = $i; # $RI
}
if (not exists ($function_address_and_index{$routine}{$value}))
{
$function_address_and_index{$routine}{$value} = $i;
my $msg = "function_address_and_index{$routine}{$value} = " .
$function_address_and_index{$routine}{$value};
gp_message ("debugXL", $subr_name, $msg);
}
else
{
gp_message ("debugXL", $subr_name, "function_info: $FSUMMARY_FILE: function $routine already has a PC Address");
}
$number_of_functions++;
}
}
close (FSUMMARY_FILE);
#------------------------------------------------------------------------------
# For every function in the function overview, set up an html structure with
# the various hyperlinks.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "augment function_info with alt_name");
my $target_function;
my $html_line;
my $ftag;
my $routine_length;
my %html_source_functions = ();
for my $i (keys @function_info)
{
$target_function = $function_info[$i]{"routine"};
gp_message ("debugXL", $subr_name, "i = $i target_function = $target_function");
my $href_link;
## $href_link = "<a href=\'file." . $i . ".src.new.html#";
$href_link = "<a href=\'file." . $i . ".";
$href_link .= $g_html_base_file_name{"source"};
$href_link .= ".html#";
$href_link .= $function_info[$i]{"tag_id"};
$href_link .= "\'>source</a>";
$function_info[$i]{"href_source"} = $href_link;
$href_link = "<a href=\'file." . $i . ".";
$href_link .= $g_html_base_file_name{"disassembly"};
$href_link .= ".html#";
$href_link .= $function_info[$i]{"tag_id"};
$href_link .= "\'>disassembly</a>";
$function_info[$i]{"href_disassembly"} = $href_link;
$href_link = "<a href=\'";
$href_link .= $g_html_base_file_name{"caller_callee"};
$href_link .= ".html#";
$href_link .= $function_info[$i]{"tag_id"};
$href_link .= "\'>caller-callee</a>";
$function_info[$i]{"href_caller_callee"} = $href_link;
gp_message ("debug", $subr_name, "g_function_occurrences{$target_function} = $g_function_occurrences{$target_function}");
if ($g_function_occurrences{$target_function} > 1)
{
#------------------------------------------------------------------------------
# In case a function occurs more than one time in the function overview, we
# add the load object and address offset info to make it unique.
#
# This forces us to update some entries in function_info too.
#------------------------------------------------------------------------------
my $loadobj = $function_info[$i]{"Load Object"};
my $address_field = $function_info[$i]{"addressobjtext"};
my $address_offset;
#------------------------------------------------------------------------------
# The address field has the following format: @<n>:<address_offset>
# We only care about the address offset.
#------------------------------------------------------------------------------
if ($address_field =~ /(^@\d*:*)(.+)/)
{
$address_offset = $2;
}
else
{
my $msg = "failed to extract the address offset from $address_field - use the full field";
gp_message ("warning", $subr_name, $msg);
$address_offset = $address_field;
}
my $exe = get_basename ($loadobj);
my $extra_field = " (<" . $exe . " $address_offset" .">)";
### $target_function .= $extra_field;
$function_info[$i]{"alt_name"} = $target_function . $extra_field;
gp_message ("debugXL", $subr_name, "function_info[$i]{\"alt_name\"} = " . $function_info[$i]{"alt_name"});
#------------------------------------------------------------------------------
# Store the length of the function name and get the tag id.
#------------------------------------------------------------------------------
$function_info[$i]{"function length"} = length ($target_function . $extra_field);
$function_info[$i]{"tag_id"} = create_function_tag ($i);
gp_message ("debugXL", $subr_name, "updated function_info[$i]{'routine'} = $function_info[$i]{'routine'}");
gp_message ("debugXL", $subr_name, "updated function_info[$i]{'alt_name'} = $function_info[$i]{'alt_name'}");
gp_message ("debugXL", $subr_name, "updated function_info[$i]{'function length'} = $function_info[$i]{'function length'}");
gp_message ("debugXL", $subr_name, "updated function_info[$i]{'tag_id'} = $function_info[$i]{'tag_id'}");
}
}
gp_message ("debug", $subr_name, "augment function_info with alt_name completed");
#------------------------------------------------------------------------------
# Compute the maximum function name length.
#
# The maximum length is stored in %function_view_structure.
#------------------------------------------------------------------------------
my $max_function_length = 0;
for my $i (0 .. $#function_info)
{
$max_function_length = max ($max_function_length, $function_info[$i]{"function length"});
gp_message ("debugXL", $subr_name, "function_info[$i]{\"alt_name\"} = " . $function_info[$i]{"alt_name"} . " length = " . $function_info[$i]{"function length"});
}
#------------------------------------------------------------------------------
# Define the name of the table and take the length into account, since it may
# be longer than the function name(s).
#------------------------------------------------------------------------------
$function_view_structure{"table name"} = "Function name";
$max_function_length = max ($max_function_length, length ($function_view_structure{"table name"}));
$function_view_structure{"max function length"} = $max_function_length;
#------------------------------------------------------------------------------
# Core loop that generates an HTML line for each function. This line is
# stored in function_info.
#------------------------------------------------------------------------------
my $top_of_table = $FALSE;
for my $i (keys @function_info)
{
my $new_target_function;
if (defined ($function_info[$i]{"alt_name"}))
{
$target_function = $function_info[$i]{"alt_name"};
gp_message ("debugXL", $subr_name, "retrieved function_info[$i]{'alt_name'} = $function_info[$i]{'alt_name'}");
}
else
{
my $msg = "function_info[$i]{\"alt_name\"} is not defined";
gp_message ("assertion", $subr_name, $msg);
}
my $function_length = $function_info[$i]{"function length"};
my $number_of_blanks = $function_view_structure{"max function length"} - $function_length;
my $spaces = " ";
for my $i (1 .. $number_of_blanks)
{
$spaces .= " ";
}
if ($target_function eq "<Total>")
#------------------------------------------------------------------------------
# <Total> is a pseudo function and there is no source, or disassembly for it.
# We could add a link to the caller-callee part, but this is currently not
# done.
#------------------------------------------------------------------------------
{
$top_of_table = $TRUE;
$html_line = " <b><Total></b>";
}
else
{
#------------------------------------------------------------------------------
# Add the * symbol as a marker in case the same function occurs multiple times.
# Otherwise insert a space.
#------------------------------------------------------------------------------
my $base_function_name = $function_info[$i]{"routine"};
if (exists ($g_function_occurrences{$base_function_name}))
{
if ($g_function_occurrences{$base_function_name} > 1)
{
$new_target_function = "*" . $target_function;
}
else
{
$new_target_function = " " . $target_function;
}
}
else
{
my $msg = "g_function_occurrences{$base_function_name} does not exist";
gp_message ("assertion", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Create the block with the function name, in boldface, plus the links to the
# source, disassembly and caller-callee views.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# We need to replace the "<" symbol in the code by "<".
#------------------------------------------------------------------------------
$new_target_function =~ s/$g_less_than_regex/$g_html_less_than_regex/g;
$html_line = "<b>$new_target_function</b>" . $spaces;
$html_line .= $function_info[$i]{"href_source"} . " ";
$html_line .= $function_info[$i]{"href_disassembly"} . " ";
$html_line .= $function_info[$i]{"href_caller_callee"};
}
gp_message ("debugXL", $subr_name, "target_function = $target_function html_line = $html_line");
$html_source_functions{$target_function} = $html_line;
#------------------------------------------------------------------------------
# TBD: In the future we want to re-use this block elsewhere.
#------------------------------------------------------------------------------
$function_info[$i]{"html function block"} = $html_line;
}
for my $i (keys %html_source_functions)
{
gp_message ("debugXL", $subr_name, "html_source_functions{$i} = $html_source_functions{$i}");
}
for my $i (keys @function_info)
{
gp_message ("debugXL", $subr_name, "function_info[$i]{\"html function block\"} = " . $function_info[$i]{"html function block"});
}
#------------------------------------------------------------------------------
# Print the key data structure %function_info. This is a nested hash.
#------------------------------------------------------------------------------
for my $i (0 .. $#function_info)
{
for my $role (sort keys %{ $function_info[$i] })
{
gp_message ("debug", $subr_name, "on return: function_info[$i]{$role} = $function_info[$i]{$role}");
}
}
#------------------------------------------------------------------------------
# Print the data structure %function_address_and_index. This is a nested hash.
#------------------------------------------------------------------------------
for my $F (keys %function_address_and_index)
{
for my $fields (sort keys %{ $function_address_and_index{$F} })
{
gp_message ("debug", $subr_name, "on return: function_address_and_index{$F}{$fields} = $function_address_and_index{$F}{$fields}");
}
}
#------------------------------------------------------------------------------
# Print the data structure %functions_index. This is a hash with an arrray.
#------------------------------------------------------------------------------
for my $F (keys %functions_index)
{
gp_message ("debug", $subr_name, "on return: functions_index{$F} = @{ $functions_index{$F} }");
# alt code for my $i (0 .. $#{ $functions_index{$F} } )
# alt code {
# alt code gp_message ("debug", $subr_name, "on return: \$functions_index{$F} = $functions_index{$F}[$i]");
# alt code }
}
#------------------------------------------------------------------------------
# Print the data structure %function_view_structure. This is a hash.
#------------------------------------------------------------------------------
for my $F (keys %function_view_structure)
{
gp_message ("debug", $subr_name, "on return: function_view_structure{$F} = $function_view_structure{$F}");
}
#------------------------------------------------------------------------------
# Print the data structure %g_function_occurrences and use this structure to
# gather statistics about the functions.
#
# TBD: add this info to the experiment data overview.
#------------------------------------------------------------------------------
$number_of_unique_functions = 0;
$number_of_non_unique_functions = 0;
for my $F (keys %g_function_occurrences)
{
gp_message ("debug", $subr_name, "on return: g_function_occurrences{$F} = $g_function_occurrences{$F}");
if ($g_function_occurrences{$F} == 1)
{
$number_of_unique_functions++;
}
else
{
$number_of_non_unique_functions++;
}
}
for my $i (keys %g_map_function_to_index)
{
my $n = scalar (@{ $g_map_function_to_index{$i} });
gp_message ("debug", $subr_name, "on return: g_map_function_to_index [$n] : $i => @{ $g_map_function_to_index{$i} }");
}
#------------------------------------------------------------------------------
# TBD: Include in experiment data. Include names with multiple occurrences.
#------------------------------------------------------------------------------
my $msg;
$msg = "Number of source files : " .
$num_source_files;
gp_message ("debug", $subr_name, $msg);
$msg = "Total number of functions: $number_of_functions";
gp_message ("debug", $subr_name, $msg);
$msg = "Number of functions functions with a unique name : " .
$number_of_unique_functions;
gp_message ("debug", $subr_name, $msg);
$msg = "Number of functions functions with more than one occurrence : " .
$number_of_non_unique_functions;
gp_message ("debug", $subr_name, $msg);
my $multi_occurrences = $number_of_functions - $number_of_unique_functions;
$msg = "Total number of multiple occurences of the same function name : " .
$multi_occurrences;
gp_message ("debug", $subr_name, $msg);
return (\@function_info, \%function_address_and_index, \%addressobjtextm,
\%LINUX_vDSO, \%function_view_structure);
} #-- End of subroutine get_function_info
#------------------------------------------------------------------------------
# TBD
#------------------------------------------------------------------------------
sub get_hdr_info
{
my $subr_name = get_my_name ();
my ($outputdir, $file) = @_;
state $first_call = $TRUE;
my $ASORTFILE;
my @HDR;
my $HDR;
my $metric;
my $line;
my $ignore_directory;
my $ignore_suffix;
my $number_of_header_lines;
#------------------------------------------------------------------------------
# Add a "/" to simplify the construction of path names in the remainder.
#------------------------------------------------------------------------------
$outputdir = append_forward_slash ($outputdir);
# Could get more header info from
# <metric>[e.bit_fcount].sort.func file - etc.
gp_message ("debug", $subr_name, "input file->$file<-");
#-----------------------------------------------
if ($file eq $outputdir."calls.sort.func")
{
$ASORTFILE=$outputdir."calls";
$metric = "calls"
}
elsif ($file eq $outputdir."calltree.sort.func")
{
$ASORTFILE=$outputdir."calltree";
$metric = "calltree"
}
elsif ($file eq $outputdir."functions.sort.func")
{
$ASORTFILE=$outputdir."functions.func";
$metric = "functions";
}
else
{
$ASORTFILE = $file;
# $metric = basename ($file,".sort.func");
($metric, $ignore_directory, $ignore_suffix) = fileparse ($file, ".sort.func");
gp_message ("debug", $subr_name, "ignore_directory = $ignore_directory ignore_suffix = $ignore_suffix");
}
gp_message ("debug", $subr_name, "file = $file metric = $metric");
open (ASORTFILE,"<", $ASORTFILE)
or die ("$subr_name - unable to open file $ASORTFILE for reading: '$!'");
gp_message ("debug", $subr_name, "opened file $ASORTFILE for reading");
$number_of_header_lines = 0;
while (<ASORTFILE>)
{
$line =$_;
chomp ($line);
if ($line =~ /^Current/)
{
next;
}
if ($line =~ /^Functions/)
{
next;
}
if ($line =~ /^Callers/)
{
next;
}
if ($line =~ /^\s*$/)
{
next;
}
if (!($line =~ /^\s*\d/))
{
$HDR[$number_of_header_lines] = $line;
$number_of_header_lines++;
next;
}
last;
}
close (ASORTFILE);
#-------------------------------------------------------------------------------
# Ruud - Fixed a bug. The output should not be appended, but overwritten.
# open (HI,">>$OUTPUTDIR"."hdrinfo");
#-------------------------------------------------------------------------------
my $outfile = $outputdir."hdrinfo";
if ($first_call)
{
$first_call = $FALSE;
open (HI ,">", $outfile)
or die ("$subr_name - unable to open file $outfile for writing: '$!'");
gp_message ("debug", $subr_name, "opened file $outfile for writing");
}
else
{
open (HI ,">>", $outfile)
or die ("$subr_name - unable to open file $outfile in append mode: '$!'");
gp_message ("debug", $subr_name, "opened file $outfile in append mode");
}
print HI "\#$metric hdrlines=$number_of_header_lines\n";
my $len = 0;
for $HDR (@HDR)
{
print HI "$HDR\n";
gp_message ("debugXL", $subr_name, "HDR = $HDR\n");
}
close (HI);
if ($first_call)
{
gp_message ("debug", $subr_name, "wrote file $outfile");
}
else
{
gp_message ("debug", $subr_name, "updated file $outfile");
}
#-----------------------------------------------
} #-- End of subroutine get_hdr_info
#------------------------------------------------------------------------------
# Get the home directory and the location(s) of the configuration file on the
# current system.
#------------------------------------------------------------------------------
sub get_home_dir_and_rc_path
{
my $subr_name = get_my_name ();
my ($rc_file_name) = @_;
my @rc_file_paths;
my $target_cmd;
my $home_dir;
my $error_code;
$target_cmd = $g_mapped_cmds{"printenv"} . " HOME";
($error_code, $home_dir) = execute_system_cmd ($target_cmd);
if ($error_code != 0)
{
my $msg = "cannot find a setting for HOME - please set this";
gp_message ("assertion", $subr_name, $msg);
}
else
#------------------------------------------------------------------------------
# The home directory is known and we can define the locations for the
# configuration file.
#------------------------------------------------------------------------------
{
@rc_file_paths = (".", "$home_dir");
}
gp_message ("debug", $subr_name, "upon return: \@rc_file_paths = @rc_file_paths");
return ($home_dir, \@rc_file_paths);
} #-- End of subroutine get_home_dir_and_rc_path
#------------------------------------------------------------------------------
# This subroutine generates a list with the hot functions.
#------------------------------------------------------------------------------
sub get_hot_functions
{
my $subr_name = get_my_name ();
my ($exp_dir_list_ref, $summary_metrics, $input_string) = @_;
my @exp_dir_list = @{ $exp_dir_list_ref };
my $cmd_output;
my $error_code;
my $expr_name;
my $first_metric;
my $gp_display_text_cmd;
my $ignore_value;
my @sort_fields = ();
$expr_name = join (" ", @exp_dir_list);
gp_message ("debug", $subr_name, "expr_name = $expr_name");
my $outputdir = append_forward_slash ($input_string);
my $script_file = $outputdir."gp-fsummary.script";
my $outfile = $outputdir."gp-fsummary.out";
my $result_file = $outputdir."gp-fsummary.stderr";
my $gp_error_file = $outputdir.$g_gp_error_logfile;
@sort_fields = split (":", $summary_metrics);
#------------------------------------------------------------------------------
# This is extremely unlikely to happen, but if so, it is a fatal error.
#------------------------------------------------------------------------------
my $number_of_elements = scalar (@sort_fields);
gp_message ("debug", $subr_name, "number of fields in summary_metrics = $number_of_elements");
if ($number_of_elements == 0)
{
my $msg = "there are $number_of_elements in the metrics list";
gp_message ("assertion", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Get the summary of the hot functions
#------------------------------------------------------------------------------
open (SCRIPT, ">", $script_file)
or die ("$subr_name - unable to open script file $script_file for writing: '$!'");
gp_message ("debug", $subr_name, "opened script file $script_file for writing");
#------------------------------------------------------------------------------
# TBD: Check what this is about:
# Attributed User CPU Time=a.user : for calltree - see P37 in manual
#------------------------------------------------------------------------------
print SCRIPT "# limit 0\n";
print SCRIPT "limit 0\n";
print SCRIPT "# metrics $summary_metrics\n";
print SCRIPT "metrics $summary_metrics\n";
print SCRIPT "# thread_select all\n";
print SCRIPT "thread_select all\n";
#------------------------------------------------------------------------------
# Use first out of summary metrics as first (it doesn't matter which one)
# $first_metric = (split /:/,$summary_metrics)[0];
#------------------------------------------------------------------------------
$first_metric = $sort_fields[0];
print SCRIPT "# outfile $outfile\n";
print SCRIPT "outfile $outfile\n";
print SCRIPT "# sort $first_metric\n";
print SCRIPT "sort $first_metric\n";
print SCRIPT "# fsummary\n";
print SCRIPT "fsummary\n";
close SCRIPT;
my $gp_functions_cmd = "$GP_DISPLAY_TEXT -viewmode machine -compare off -script $script_file $expr_name";
gp_message ("debug", $subr_name, "executing $GP_DISPLAY_TEXT to get the list of functions");
$gp_display_text_cmd = "$gp_functions_cmd 1> $result_file 2>> $gp_error_file";
($error_code, $cmd_output) = execute_system_cmd ($gp_display_text_cmd);
if ($error_code != 0)
{
$ignore_value = msg_display_text_failure ($gp_display_text_cmd,
$error_code,
$gp_error_file);
gp_message ("abort", $subr_name, "execution terminated");
my $msg = "error code = $error_code - failure executing command $gp_display_text_cmd";
gp_message ("abort", $subr_name, $msg);
}
return ($outfile,\@sort_fields);
} #-- End of subroutine get_hot_functions
#------------------------------------------------------------------------------
# For a given function name, return the index into "function_info". This
# index gives access to all the meta data for the input function.
#------------------------------------------------------------------------------
sub get_index_function_info
{
my $subr_name = get_my_name ();
my ($routine_ref, $hex_address_ref, $function_info_ref) = @_;
my $routine = ${ $routine_ref };
my $hex_address = ${ $hex_address_ref };
my @function_info = @{ $function_info_ref };
#------------------------------------------------------------------------------
# Check if this function has multiple occurrences.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "check for multiple occurrences");
my $current_address = $hex_address;
my $alt_name = $routine;
my $found_a_match;
my $index_into_function_info;
my $target_tag;
if (not exists ($g_multi_count_function{$routine}))
{
#------------------------------------------------------------------------------
# There is only a single occurrence and it is straightforward to get the tag.
#--------------------------------------------------------------------------
## push (@final_function_names, $routine);
if (exists ($g_map_function_to_index{$routine}))
{
$index_into_function_info = $g_map_function_to_index{$routine}[0];
}
else
{
my $msg = "no entry for $routine in g_map_function_to_index";
gp_message ("assertion", $subr_name, $msg);
}
}
else
{
#------------------------------------------------------------------------------
# The function name has more than one occurrence and we need to find the one
# that matches with the address.
#------------------------------------------------------------------------------
$found_a_match = $FALSE;
gp_message ("debug", $subr_name, "$routine: occurrences = $g_function_occurrences{$routine}");
for my $ref (keys @{ $g_map_function_to_index{$routine} })
{
my $ref_index = $g_map_function_to_index{$routine}[$ref];
my $addr_offset = $function_info[$ref_index]{"addressobjtext"};
gp_message ("debug", $subr_name, "$routine: retrieving duplicate entry at ref_index = $ref_index");
gp_message ("debug", $subr_name, "$routine: addr_offset = $addr_offset");
#------------------------------------------------------------------------------
# TBD: Do this substitution when storing "addressobjtext" in function_info.
#------------------------------------------------------------------------------
$addr_offset =~ s/^@\d+://;
gp_message ("debug", $subr_name, "$routine: addr_offset = $addr_offset");
if ($addr_offset eq $current_address)
{
$found_a_match = $TRUE;
$index_into_function_info = $ref_index;
last;
}
}
#------------------------------------------------------------------------------
# If there is no match, something has gone really wrong and we bail out.
#------------------------------------------------------------------------------
if (not $found_a_match)
{
my $msg = "cannot find the mapping in function_info for function $routine";
gp_message ("assertion", $subr_name, $msg);
}
}
return (\$index_into_function_info);
} #-- End of subroutine get_index_function_info
#-------------------------------------------------------------------------------
# Get the setting for LANG, or assign a default if it is not set.
#-------------------------------------------------------------------------------
sub get_LANG_setting
{
my $subr_name = get_my_name ();
my $error_code;
my $lang_setting;
my $target_cmd;
my $command_string;
my $LANG;
$target_cmd = $g_mapped_cmds{"printenv"};
#------------------------------------------------------------------------------
# Use the printenv command to get the settings for LANG.
#------------------------------------------------------------------------------
if ($target_cmd eq "road_to_nowhere")
{
$error_code = 1;
}
else
{
$command_string = $target_cmd . " LANG";
($error_code, $lang_setting) = execute_system_cmd ($command_string);
}
if ($error_code == 0)
{
chomp ($lang_setting);
$LANG = $lang_setting;
}
else
{
$LANG = $g_default_setting_lang;
my $msg = "cannot find a setting for LANG - use a default setting";
gp_message ("warning", $subr_name, $msg);
}
return ($LANG);
} #-- End of subroutine get_LANG_setting
#------------------------------------------------------------------------------
# This subroutine gathers the basic information about the metrics.
#------------------------------------------------------------------------------
sub get_metrics_data
{
my $subr_name = get_my_name ();
my ($exp_dir_list_ref, $outputdir, $outfile1, $outfile2, $error_file) = @_;
my @exp_dir_list = @{ $exp_dir_list_ref };
my $cmd_options;
my $cmd_output;
my $error_code;
my $expr_name;
my $metrics_cmd;
my $metrics_output;
my $target_cmd;
$expr_name = join (" ", @exp_dir_list);
gp_message ("debug", $subr_name, "expr_name = $expr_name");
#------------------------------------------------------------------------------
# Execute the $GP_DISPLAY_TEXT tool with the appropriate options. The goal is
# to get all the output in files $outfile1 and $outfile2. These are then
# parsed.
#------------------------------------------------------------------------------
$cmd_options = " -viewmode machine -compare off -thread_select all";
$cmd_options .= " -outfile $outfile2";
$cmd_options .= " -fsingle '<Total>' -metric_list $expr_name";
$metrics_cmd = "$GP_DISPLAY_TEXT $cmd_options 1> $outfile1 2> $error_file";
gp_message ("debug", $subr_name, "command used to gather the information:");
gp_message ("debug", $subr_name, $metrics_cmd);
($error_code, $metrics_output) = execute_system_cmd ($metrics_cmd);
#------------------------------------------------------------------------------
# Error handling. Any error that occurred is fatal and execution
# should be aborted by the caller.
#------------------------------------------------------------------------------
if ($error_code == 0)
{
gp_message ("debug", $subr_name, "metrics data in files $outfile1 and $outfile2");
}
else
{
$target_cmd = $g_mapped_cmds{"cat"} . " $error_file";
($error_code, $cmd_output) = execute_system_cmd ($target_cmd);
chomp ($cmd_output);
gp_message ("error", $subr_name, "contents of file $error_file:");
gp_message ("error", $subr_name, $cmd_output);
}
return ($error_code);
} #-- End of subroutine get_metrics_data
#------------------------------------------------------------------------------
# Wrapper that returns the last part of the subroutine name. The assumption is
# that the last part of the input name is of the form "aa::bb" or just "bb".
#------------------------------------------------------------------------------
sub get_my_name
{
my $called_by = (caller (1))[3];
my @parts = split ("::", $called_by);
return ($parts[$#parts]);
## my ($the_full_name_ref) = @_;
## my $the_full_name = ${ $the_full_name_ref };
## my $last_part;
#------------------------------------------------------------------------------
# If the regex below fails, use the full name."
#------------------------------------------------------------------------------
## $last_part = $the_full_name;
#------------------------------------------------------------------------------
# Capture the last part if there are multiple parts separated by "::".
#------------------------------------------------------------------------------
## if ($the_full_name =~ /.*::(.+)$/)
## {
## if (defined ($1))
## {
## $last_part = $1;
## }
## }
## return (\$last_part);
} #-- End of subroutine get_my_name
#-------------------------------------------------------------------------------
# Determine the characteristics of the current system
#-------------------------------------------------------------------------------
sub get_system_config_info
{
#------------------------------------------------------------------------------
# The output from the "uname" command is used for this. Although not all of
# these are currently used, we store all fields in separate variables.
#------------------------------------------------------------------------------
#
#------------------------------------------------------------------------------
# The options supported on uname from GNU coreutils 8.22:
#------------------------------------------------------------------------------
# -a, --all print all information, in the following order,
# except omit -p and -i if unknown:
# -s, --kernel-name print the kernel name
# -n, --nodename print the network node hostname
# -r, --kernel-release print the kernel release
# -v, --kernel-version print the kernel version
# -m, --machine print the machine hardware name
# -p, --processor print the processor type or "unknown"
# -i, --hardware-platform print the hardware platform or "unknown"
# -o, --operating-system print the operating system
#------------------------------------------------------------------------------
# Sample output:
# Linux ruudvan-vm-2-8-20200701 4.14.35-2025.400.8.el7uek.x86_64 #2 SMP Wed Aug 26 12:22:05 PDT 2020 x86_64 x86_64 x86_64 GNU/Linux
#------------------------------------------------------------------------------
my $subr_name = get_my_name ();
my $target_cmd;
my $hostname_current;
my $error_code;
my $ignore_output;
#------------------------------------------------------------------------------
# Test once if the command succeeds. This avoids we need to check every
# specific # command below.
#------------------------------------------------------------------------------
$target_cmd = $g_mapped_cmds{uname};
($error_code, $ignore_output) = execute_system_cmd ($target_cmd);
if ($error_code != 0)
#-------------------------------------------------------------------------------
# This is unlikely to happen, but you never know.
#-------------------------------------------------------------------------------
{
gp_message ("abort", $subr_name, "failure to execute the uname command");
}
my $kernel_name = qx ($target_cmd -s); chomp ($kernel_name);
my $nodename = qx ($target_cmd -n); chomp ($nodename);
my $kernel_release = qx ($target_cmd -r); chomp ($kernel_release);
my $kernel_version = qx ($target_cmd -v); chomp ($kernel_version);
my $machine = qx ($target_cmd -m); chomp ($machine);
my $processor = qx ($target_cmd -p); chomp ($processor);
my $hardware_platform = qx ($target_cmd -i); chomp ($hardware_platform);
my $operating_system = qx ($target_cmd -o); chomp ($operating_system);
$local_system_config{"kernel_name"} = $kernel_name;
$local_system_config{"nodename"} = $nodename;
$local_system_config{"kernel_release"} = $kernel_release;
$local_system_config{"kernel_version"} = $kernel_version;
$local_system_config{"machine"} = $machine;
$local_system_config{"processor"} = $processor;
$local_system_config{"hardware_platform"} = $hardware_platform;
$local_system_config{"operating_system"} = $operating_system;
gp_message ("debug", $subr_name, "the output from the $target_cmd command is split into the following variables:");
gp_message ("debug", $subr_name, "kernel_name = $kernel_name");
gp_message ("debug", $subr_name, "nodename = $nodename");
gp_message ("debug", $subr_name, "kernel_release = $kernel_release");
gp_message ("debug", $subr_name, "kernel_version = $kernel_version");
gp_message ("debug", $subr_name, "machine = $machine");
gp_message ("debug", $subr_name, "processor = $processor");
gp_message ("debug", $subr_name, "hardware_platform = $hardware_platform");
gp_message ("debug", $subr_name, "operating_system = $operating_system");
#------------------------------------------------------------------------------
# Check if the system we are running on is supported.
#------------------------------------------------------------------------------
my $is_supported = ${ check_support_for_processor (\$machine) };
if (not $is_supported)
{
gp_message ("error", $subr_name, "$machine is not supported");
exit (0);
}
#------------------------------------------------------------------------------
# The current hostname is used to compare against the hostname(s) found in the
# experiment directories.
#------------------------------------------------------------------------------
$target_cmd = $g_mapped_cmds{hostname};
$hostname_current = qx ($target_cmd); chomp ($hostname_current);
$error_code = ${^CHILD_ERROR_NATIVE};
if ($error_code == 0)
{
$local_system_config{"hostname_current"} = $hostname_current;
}
else
#-------------------------------------------------------------------------------
# This is unlikely to happen, but you never know.
#-------------------------------------------------------------------------------
{
gp_message ("abort", $subr_name, "failure to execute the hostname command");
}
for my $key (sort keys %local_system_config)
{
gp_message ("debug", $subr_name, "local_system_config{$key} = $local_system_config{$key}");
}
return (0);
} #-- End of subroutine get_system_config_info
#-------------------------------------------------------------------------------
# This subroutine prints a message. Several types of messages are supported.
# In case the type is "abort", or "error", execution is terminated.
#
# Note that "debug", "warning", and "error" mode, the name of the calling
# subroutine is truncated to 30 characters. In case the name is longer,
# a warning message # is issued so you know this has happened.
#
# Note that we use lcfirst () and ucfirst () to enforce whether the first
# character is printed in lower or uppercase. It is nothing else than a
# convenience, but creates more consistency across messages.
#-------------------------------------------------------------------------------
sub gp_message
{
my $subr_name = get_my_name ();
my ($action, $caller_name, $comment_line) = @_;
#-------------------------------------------------------------------------------
# The debugXL identifier is special. It is accepted, but otherwise ignored.
# This allows to (temporarily) disable debug print statements, but keep them
# around.
#-------------------------------------------------------------------------------
my %supported_identifiers = (
"verbose" => "[Verbose]",
"debug" => "[Debug]",
"error" => "[Error]",
"warning" => "[Warning]",
"abort" => "[Abort]",
"assertion" => "[Assertion error]",
"diag" => "",
);
my $debug_size;
my $identifier;
my $fixed_size_name;
my $string_limit = 30;
my $strlen = length ($caller_name);
my $trigger_debug = $FALSE;
my $truncated_name;
my $msg;
if ($action =~ /debug\s*(.+)/)
{
if (defined ($1))
{
my $orig_value = $1;
$debug_size = lc ($1);
if ($debug_size =~ /^s$|^m$|^l$|^xl$/)
{
if ($g_debug_size{$debug_size})
{
#-------------------------------------------------------------------------------
# All we need to know is whether a debug action is requested and whether the
# size has been enabled. By setting $action to "debug", the code below is
# simplified. Note that only using $trigger_debug below is actually sufficient.
#-------------------------------------------------------------------------------
$trigger_debug = $TRUE;
}
}
else
{
die "$subr_name: debug size $orig_value is not supported";
}
$action = "debug";
}
}
elsif ($action eq "debug")
{
$trigger_debug = $TRUE;
}
#-------------------------------------------------------------------------------
# Catch any non-supported identifier.
#-------------------------------------------------------------------------------
if (defined ($supported_identifiers{$action}))
{
$identifier = $supported_identifiers{$action};
}
else
{
die ("$subr_name - input error: $action is not supported");
}
if (($action eq "debug") and ($g_user_settings{"debug"}{"current_value"} eq "off"))
{
$trigger_debug = $FALSE;
}
#-------------------------------------------------------------------------------
# Unconditionally buffer all warning messages. These are meant to be displayed
# separately.
#-------------------------------------------------------------------------------
if ($action eq "warning")
{
push (@g_warning_messages, ucfirst ($comment_line));
}
#-------------------------------------------------------------------------------
# Quick return in several cases. Note that "debug", "verbose", "warning", and
# "diag" messages are suppressed in quiet mode, but "error", "abort" and
# "assertion" always pass.
#-------------------------------------------------------------------------------
if ((
($action eq "verbose") and (not $g_verbose))
or (($action eq "debug") and (not $trigger_debug))
or (($action eq "verbose") and ($g_quiet))
or (($action eq "debug") and ($g_quiet))
or (($action eq "warning") and (not $g_warnings))
or (($action eq "diag") and ($g_quiet)))
{
return (0);
}
#-------------------------------------------------------------------------------
# In diag mode, just print the input line and nothing else.
#-------------------------------------------------------------------------------
if ((
$action eq "debug")
or ($action eq "abort")
or ($action eq "warning")
or ($action eq "assertion")
or ($action eq "error"))
{
#-------------------------------------------------------------------------------
# Construct the string to be printed. Include an identifier and the name of
# the function.
#-------------------------------------------------------------------------------
if ($strlen > $string_limit)
{
$truncated_name = substr ($caller_name, 0, $string_limit);
$fixed_size_name = sprintf ("%-"."$string_limit"."s", $truncated_name);
print "Warning in $subr_name - the name of the caller is: $caller_name\n";
print "Warning in $subr_name - the string length is $strlen and exceeds $string_limit\n";
}
else
{
$fixed_size_name = sprintf ("%-"."$string_limit"."s", $caller_name);
}
if (($action eq "error") or ($action eq "abort"))
#-------------------------------------------------------------------------------
# Enforce that the message starts with a lowercase symbol. Since these are
# user errors, the name of the routine is not shown. The same for "abort".
# If you want to display the routine name too, use an assertion.
#-------------------------------------------------------------------------------
{
printf ("%-9s %s\n", $identifier, lcfirst ($comment_line));
}
elsif ($action eq "assertion")
#-------------------------------------------------------------------------------
# Enforce that the message starts with a lowercase symbol.
#-------------------------------------------------------------------------------
{
printf ("%-9s %-30s - %s\n", $identifier, $fixed_size_name, $comment_line);
}
elsif (($action eq "debug") and ($trigger_debug))
#-------------------------------------------------------------------------------
# Debug messages are printed "as is". Avoids issues when searching for them ;-)
#-------------------------------------------------------------------------------
{
printf ("%-9s %-30s - %s\n", $identifier, $fixed_size_name, $comment_line);
}
else
#-------------------------------------------------------------------------------
# Enforce that the message starts with a lowercase symbol.
#-------------------------------------------------------------------------------
{
printf ("%-9s %-30s - %s\n", $identifier, $fixed_size_name, lcfirst ($comment_line));
}
}
elsif ($action eq "verbose")
#-------------------------------------------------------------------------------
# The first character in the verbose message is capatilized.
#-------------------------------------------------------------------------------
{
printf ("%s\n", ucfirst ($comment_line));
}
elsif ($action eq "diag")
#-------------------------------------------------------------------------------
# The diag messages are meant to be diagnostics. Only the comment line is
# printed.
#-------------------------------------------------------------------------------
{
printf ("%s\n", $comment_line);
return (0);
}
#-------------------------------------------------------------------------------
# Terminate execution in case the identifier is "abort".
#-------------------------------------------------------------------------------
if (($action eq "abort") or ($action eq "assertion"))
{
## print "ABORT temporarily disabled for testing purposes\n";
exit (-1);
}
else
{
return (0);
}
} #-- End of subroutine gp_message
#------------------------------------------------------------------------------
# Dynamically load the modules needed. Returns a list with the modules that
# could not be loaded.
#------------------------------------------------------------------------------
sub handle_module_availability
{
my $subr_name = get_my_name ();
gp_message ("verbose", $subr_name, "Handling module requirements");
#------------------------------------------------------------------------------
# This is clunky at best, but there is a chicken egg problem here. For the
# man page to be generated, the --help and --version options need to work,
# but this part of the code only works if the "stat" function is available.
# The "feature qw (state)" is required for the code to compile.
#
# TBD: Consider using global variables and to decouple parts of the option
# handling.
#;
## my @modules_used = ("feature",
## "File::stat",
#------------------------------------------------------------------------------
my @modules_used = (
"List::Util",
"Cwd",
"File::Basename",
"File::stat",
"POSIX",
"bigint",
"bignum");
my @missing_modules = ();
my $cmd;
my $result;
#------------------------------------------------------------------------------
# This loop checks for the availability of the modules and if so, imports
# the module.
#
# The names of missing modules, if any, are stored and printed in the error
# handling section below.
#------------------------------------------------------------------------------
for my $i (0 .. $#modules_used)
{
my $m = $modules_used[$i];
if (eval "require $m;")
{
if ($m eq "feature")
{
$cmd = $m . "->import ( qw (state))";
}
elsif ($m eq "List::Util")
{
$cmd = $m . "->import ( qw (min max))";
}
elsif ($m eq "bigint")
{
$cmd = $m . "->import ( qw (hex))";
}
else
{
$cmd = $m . "->import";
}
$cmd .= ";";
$result = eval ("$cmd");
gp_message ("debugM", $subr_name, "cmd = $cmd");
}
else
{
push (@missing_modules, $m);
}
}
#------------------------------------------------------------------------------
# Count the number of missing modules. It is upon the caller to decide what
# to do in case of errors. Currently, execution is aborted.
#------------------------------------------------------------------------------
my $errors = scalar (@missing_modules);
return (\$errors, \@missing_modules);
} #-- End of subroutine handle_module_availability
#------------------------------------------------------------------------------
# Generate the HTML with the experiment summary.
#------------------------------------------------------------------------------
sub html_generate_exp_summary
{
my $subr_name = get_my_name ();
my ($outputdir_ref, $experiment_data_ref) = @_;
my $outputdir = ${ $outputdir_ref };
my @experiment_data = @{ $experiment_data_ref };
my $file_title;
my $outfile;
my $page_title;
my $size_text;
my $position_text;
my $html_header;
my $html_home;
my $html_title_header;
my $html_acknowledgement;
my $html_end;
my @html_exp_table_data = ();
my $html_exp_table_data_ref;
my @table_execution_stats = ();
my $table_execution_stats_ref;
gp_message ("debug", $subr_name, "outputdir = $outputdir");
$outputdir = append_forward_slash ($outputdir);
gp_message ("debug", $subr_name, "outputdir = $outputdir");
$file_title = "Experiment information";
$page_title = "Experiment Information";
$size_text = "h2";
$position_text = "center";
$html_header = ${ create_html_header (\$file_title) };
$html_home = ${ generate_home_link ("right") };
$html_title_header = ${ generate_a_header (\$page_title, \$size_text, \$position_text) };
$outfile = $outputdir . $g_html_base_file_name{"experiment_info"} . ".html";
open (EXP_INFO, ">", $outfile)
or die ("unable to open $outfile for writing - '$!'");
gp_message ("debug", $subr_name, "opened file $outfile for writing");
print EXP_INFO $html_header;
print EXP_INFO $html_home;
print EXP_INFO $html_title_header;
($html_exp_table_data_ref, $table_execution_stats_ref) = html_generate_table_data ($experiment_data_ref);
@html_exp_table_data = @{ $html_exp_table_data_ref };
@table_execution_stats = @{ $table_execution_stats_ref };
print EXP_INFO "$_" for @html_exp_table_data;
;
## print EXP_INFO "<pre>\n";
## print EXP_INFO "$_\n" for @html_caller_callee;
## print EXP_INFO "</pre>\n";
#-------------------------------------------------------------------------------
# Get the acknowledgement, return to main link, and final html statements.
#-------------------------------------------------------------------------------
$html_home = ${ generate_home_link ("left") };
$html_acknowledgement = ${ create_html_credits () };
$html_end = ${ terminate_html_document () };
print EXP_INFO $html_home;
print EXP_INFO "<br>\n";
print EXP_INFO $html_acknowledgement;
print EXP_INFO $html_end;
close (EXP_INFO);
return (\@table_execution_stats);
} #-- End of subroutine html_generate_exp_summary
#-------------------------------------------------------------------------------
# Generate the entries for the tables with the experiment info.
#-------------------------------------------------------------------------------
sub html_generate_table_data
{
my $subr_name = get_my_name ();
my ($experiment_data_ref) = @_;
my @experiment_data = ();
my @html_exp_table_data = ();
my $html_line;
## my $html_header_line;
my $entry_name;
my $key;
my $size_text;
my $position_text;
my $title_table_1;
my $title_table_2;
my $title_table_3;
my $title_table_summary;
my $html_table_title;
my @experiment_table_1_def = ();
my @experiment_table_2_def = ();
my @experiment_table_3_def = ();
my @exp_table_summary_def = ();
my @experiment_table_1 = ();
my @experiment_table_2 = ();
my @experiment_table_3 = ();
my @exp_table_summary = ();
my @exp_table_selection = ();
@experiment_data = @{ $experiment_data_ref };
for my $i (sort keys @experiment_data)
{
for my $fields (sort keys %{ $experiment_data[$i] })
{
gp_message ("debugXL", $subr_name, "$i => experiment_data[$i]{$fields} = $experiment_data[$i]{$fields}");
}
}
$title_table_1 = "Target System Configuration";
$title_table_2 = "Experiment Statistics";
$title_table_3 = "Run Time Statistics";
$title_table_summary = "Main Statistics";
$size_text = "h3";
$position_text = "left";
push @experiment_table_1_def, { name => "Experiment name" , key => "exp_name_short"};
push @experiment_table_1_def, { name => "Hostname" , key => "hostname"};
push @experiment_table_1_def, { name => "Operating system", key => "OS"};
push @experiment_table_1_def, { name => "Architecture", key => "architecture"};
push @experiment_table_1_def, { name => "Page size", key => "page_size"};
push @experiment_table_2_def, { name => "Target command" , key => "target_cmd"};
push @experiment_table_2_def, { name => "Date command executed" , key => "start_date"};
push @experiment_table_2_def, { name => "Data collection duration", key => "data_collection_duration"};
push @experiment_table_2_def, { name => "End time of the experiment", key => "end_experiment"};
push @experiment_table_3_def, { name => "User CPU time (seconds)", key => "user_cpu_time"};
## push @experiment_table_3_def, { name => "User CPU time (percentage)", key => "user_cpu_percentage"};
push @experiment_table_3_def, { name => "System CPU time (seconds)", key => "system_cpu_time"};
## push @experiment_table_3_def, { name => "System CPU time (percentage)", key => "system_cpu_percentage"};
push @experiment_table_3_def, { name => "Sleep time (seconds)", key => "sleep_time"};
## push @experiment_table_3_def, { name => "Sleep time (percentage)", key => "sleep_percentage"};
push @exp_table_summary_def, { name => "Experiment name" , key => "exp_name_short"};
push @exp_table_summary_def, { name => "Hostname" , key => "hostname"};
push @exp_table_summary_def, { name => "User CPU time (seconds)", key => "user_cpu_time"};
push @exp_table_summary_def, { name => "System CPU time (seconds)", key => "system_cpu_time"};
push @exp_table_summary_def, { name => "Sleep time (seconds)", key => "sleep_time"};
$html_table_title = ${ generate_a_header (\$title_table_1, \$size_text, \$position_text) };
push (@html_exp_table_data, $html_table_title);
@experiment_table_1 = @{ create_table (\@experiment_data, \@experiment_table_1_def) };
push (@html_exp_table_data, @experiment_table_1);
$html_table_title = ${ generate_a_header (\$title_table_2, \$size_text, \$position_text) };
push (@html_exp_table_data, $html_table_title);
@experiment_table_2 = @{ create_table (\@experiment_data, \@experiment_table_2_def) };
push (@html_exp_table_data, @experiment_table_2);
$html_table_title = ${ generate_a_header (\$title_table_3, \$size_text, \$position_text) };
push (@html_exp_table_data, $html_table_title);
@experiment_table_3 = @{ create_table (\@experiment_data, \@experiment_table_3_def) };
push (@html_exp_table_data, @experiment_table_3);
$html_table_title = ${ generate_a_header (\$title_table_summary, \$size_text, \$position_text) };
push (@exp_table_summary, $html_table_title);
@exp_table_selection = @{ create_table (\@experiment_data, \@exp_table_summary_def) };
push (@exp_table_summary, @exp_table_selection);
return (\@html_exp_table_data, \@exp_table_summary);
} #-- End of subroutine html_generate_table_data
#------------------------------------------------------------------------------
# Generate the HTML text to print in case a file is empty.
#------------------------------------------------------------------------------
sub html_text_empty_file
{
my $subr_name = get_my_name ();
my ($comment_ref, $error_file_ref) = @_;
my $comment;
my $error_file;
my $error_message;
my $file_title;
my $html_end;
my $html_header;
my $html_home;
my @html_empty_file = ();
$comment = ${ $comment_ref };
$error_file = ${ $error_file_ref };
$file_title = "File is empty";
$html_header = ${ create_html_header (\$file_title) };
$html_end = ${ terminate_html_document () };
$html_home = ${ generate_home_link ("left") };
push (@html_empty_file, $html_header);
$error_message = "<b>" . $comment . "</b>";
$error_message = set_background_color_string ($error_message, $g_html_color_scheme{"error_message"});
push (@html_empty_file, $error_message);
if (not is_file_empty ($error_file))
{
$error_message = "<p><em>Check file $error_file for more information</em></p>";
}
push (@html_empty_file, $error_message);
push (@html_empty_file, $html_home);
push (@html_empty_file, "<br>");
push (@html_empty_file, $g_html_credits_line);
push (@html_empty_file, $html_end);
return (\@html_empty_file);
} #-- End of subroutine html_text_empty_file
#------------------------------------------------------------------------------
# This subroutine checks if a file is empty and returns $TRUE or $FALSE.
#------------------------------------------------------------------------------
sub is_file_empty
{
my $subr_name = get_my_name ();
my ($filename) = @_;
my $size;
my $file_stat;
my $is_empty;
chomp ($filename);
if (not -e $filename)
{
#------------------------------------------------------------------------------
# The return value is used in the caller. This is why we return the empty
# string in case the file does not exist.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "filename = $filename not found");
$is_empty = $TRUE;
}
else
{
$file_stat = stat ($filename);
$size = $file_stat->size;
$is_empty = ($size == 0) ? $TRUE : $FALSE;
}
gp_message ("debug", $subr_name, "filename = $filename size = $size is_empty = $is_empty");
return ($is_empty);
} #-- End of subroutine is_file_empty
#------------------------------------------------------------------------------
# Check if a file is executable and return $TRUE or $FALSE.
#------------------------------------------------------------------------------
sub is_file_executable
{
my $subr_name = get_my_name ();
my ($filename) = @_;
my $file_permissions;
my $index_offset;
my $is_executable;
my $mode;
my $number_of_bytes;
my @permission_settings = ();
my %permission_values = ();
chomp ($filename);
gp_message ("debug", $subr_name, "check if filename = $filename is executable");
if (not -e $filename)
{
#------------------------------------------------------------------------------
# The return value is used in the caller. This is why we return the empty
# string in case the file does not exist.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "filename = $filename not found");
$is_executable = $FALSE;
}
else
{
$mode = stat ($filename)->mode;
gp_message ("debugXL", $subr_name, "mode = $mode");
#------------------------------------------------------------------------------
# Get username. We currently do not do anything with this though and the
# code is commented out.
#
# my $my_name = getlogin () || getpwuid($<) || "Kilroy";;
# gp_message ("debug", $subr_name, "my_name = $my_name");
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Convert file permissions to octal, split the individual numbers and store
# the values for the respective users.
#------------------------------------------------------------------------------
$file_permissions = sprintf("%o", $mode & 07777);
@permission_settings = split (//, $file_permissions);
$number_of_bytes = scalar (@permission_settings);
gp_message ("debugXL", $subr_name, "file_permissions = $file_permissions");
gp_message ("debugXL", $subr_name, "permission_settings = @permission_settings");
gp_message ("debugXL", $subr_name, "number_of_settings = $number_of_bytes");
if ($number_of_bytes == 4)
{
$index_offset = 1;
}
elsif ($number_of_bytes == 3)
{
$index_offset = 0;
}
else
{
my $msg = "unexpected number of $number_of_bytes bytes " .
"in permission settings: @permission_settings";
gp_message ("assertion", $subr_name, $msg);
}
$permission_values{user} = $permission_settings[$index_offset++];
$permission_values{group} = $permission_settings[$index_offset++];
$permission_values{other} = $permission_settings[$index_offset];
#------------------------------------------------------------------------------
# The executable bit should be set for user, group and other. If this fails
# we mark the file as not executable. Note that this is gprofng specific.
#------------------------------------------------------------------------------
$is_executable = $TRUE;
for my $k (keys %permission_values)
{
my $msg = "permission_values{" . $k . "} = " .
$permission_values{$k};
gp_message ("debugXL", $subr_name, $msg);
if ($permission_values{$k} % 2 == 0)
{
$is_executable = $FALSE;
last;
}
}
}
gp_message ("debug", $subr_name, "is_executable = $is_executable");
return ($is_executable);
} #-- End of subroutine is_file_executable
#-------------------------------------------------------------------------------
# TBD.
#-------------------------------------------------------------------------------
sub name_regex
{
my $subr_name = get_my_name ();
my ($metric_description_ref, $metrics, $field, $file) = @_;
my %metric_description = %{ $metric_description_ref };
my @splitted_metrics;
my $splitted_metrics;
my $m;
my $mf;
my $nf;
my $re;
my $Xre;
my $noPCfile;
my @reported_metrics;
my $reported_metrics;
my $hdr_regex;
my $hdr_href_regex;
my $hdr_src_regex;
my $new_metrics;
my $pre;
my $post;
my $rat;
my @moo = ();
my $gp_metrics_file;
my $gp_metrics_dir;
my $suffix_not_used;
my $is_calls = $FALSE;
my $is_calltree = $FALSE;
gp_message ("debugXL", $subr_name,"1:metrics->$metrics<- field->$field<- file->$file<-");
#-------------------------------------------------------------------------------
# According to https://perldoc.perl.org/File::Basename, both dirname and
# basename are not reliable and fileparse () is recommended instead.
#
# Note that $gp_metrics_dir has a trailing "/".
#-------------------------------------------------------------------------------
($gp_metrics_file, $gp_metrics_dir, $suffix_not_used) = fileparse ($file, ".sort.func-PC");
gp_message ("debugXL", $subr_name, "gp_metrics_dir = $gp_metrics_dir gp_metrics_file = $gp_metrics_file");
gp_message ("debugXL", $subr_name, "suffix_not_used = $suffix_not_used");
if ($gp_metrics_file eq "calls")
{
$is_calls = $TRUE;
}
if ($gp_metrics_file eq "calltree")
{
$is_calltree = $TRUE;
}
$gp_metrics_file = "gp-metrics-" . $gp_metrics_file . "-PC";
$gp_metrics_file = $gp_metrics_dir . $gp_metrics_file;
gp_message ("debugXL", $subr_name, "gp_metrics_file is $gp_metrics_file");
open (GP_METRICS, "<", $gp_metrics_file)
or die ("$subr_name - unable to open gp_metrics file $gp_metrics_file for reading - '$!'");
gp_message ("debug", $subr_name, "opened file $gp_metrics_file for reading");
$new_metrics = $metrics;
while (<GP_METRICS>)
{
$rat = $_;
chomp ($rat);
gp_message ("debugXL", $subr_name, "rat = $rat - new_metrics = $new_metrics");
#-------------------------------------------------------------------------------
# Capture the string after "Current metrics:" and if it ends with ":name",
# remove it.
#-------------------------------------------------------------------------------
if ($rat =~ /^\s*Current metrics:\s*(.*)$/)
{
$new_metrics = $1;
if ($new_metrics =~ /^(.*):name$/)
{
$new_metrics = $1;
}
last;
}
}
close (GP_METRICS);
if ($is_calls or $is_calltree)
{
#-------------------------------------------------------------------------------
# Remove any inclusive metrics from the list.
#-------------------------------------------------------------------------------
while ($new_metrics =~ /(.*)(i\.[^:]+)(.*)$/)
{
$pre = $1;
$post = $3;
gp_message ("debugXL", $subr_name, "1b: new_metrics = $new_metrics pre = $pre post = $post");
if (substr ($post,0,1) eq ":")
{
$post = substr ($post,1);
}
$new_metrics = $pre.$post;
}
}
$metrics = $new_metrics;
gp_message ("debugXL", $subr_name, "2:metrics->$metrics<- field->$field<- file->$file<-");
#-------------------------------------------------------------------------------
# Find the line starting with "address:" and strip this part away.
#-------------------------------------------------------------------------------
if ($metrics =~ /^address:(.*)/)
{
$reported_metrics = $1;
#-------------------------------------------------------------------------------
# Focus on the filename ending with "-PC". When found, strip this part away.
#-------------------------------------------------------------------------------
if ($file =~ /^(.*)-PC$/)
{
$noPCfile = $1;
if ($noPCfile =~ /^(.*)functions.sort.func$/)
{
$noPCfile = $1."functions.func";
}
push (@moo, "$reported_metrics\n");
}
}
#-------------------------------------------------------------------------------
# Split the list into an array with the individual metrics.
#
# TBD: This should be done only once!
#-------------------------------------------------------------------------------
@reported_metrics = split (":", $reported_metrics);
for my $i (@reported_metrics)
{
gp_message ("debugXL", $subr_name, "reported_metrics = $i");
}
$hdr_regex = "^\\s*";
$hdr_href_regex = "^\\s*";
$hdr_src_regex = "^(\\s+|<i>\\s+)";
for my $m (@reported_metrics)
{
my $description = ${ retrieve_metric_description (\$m, \%metric_description) };
gp_message ("debugXL", $subr_name, "m = $m description = $description");
if (substr ($m,0,1) eq "e")
{
push (@moo,"$m:$description\n");
$hdr_regex .= "(Excl\\.\.*)";
$hdr_href_regex .= "(<a.*>)(Excl\\.)(<\/a>)([^<]+)";
$hdr_src_regex .= "(Excl\\.\.*)";
next;
}
if (substr ($m,0,1) eq "i")
{
push (@moo,"$m:$description\n");
$hdr_regex .= "(Incl\\.\.*)";
$hdr_href_regex .= "(<a.*>)(Incl\\.)(<\/a>)([^<]+)";
$hdr_src_regex .= "(Incl\\.\.*)";
next;
}
if (substr ($m,0,1) eq "a")
{
my $a;
my $am;
$a = $m;
$a =~ s/^a/e/;
$am = ${ retrieve_metric_description (\$a, \%metric_description) };
$am =~ s/Exclusive/Attributed/;
push (@moo,"$m:$am\n");
$hdr_regex .= "(Attr\\.\.*)";
$hdr_href_regex .= "(<a.*>)(Attr\\.)(<\/a>)([^<]+)";
$hdr_src_regex .= "(Attr\\.\.*)";next;
}
}
$hdr_regex .= "(Name\.*)";
$hdr_href_regex .= "(Name\.*)";
@splitted_metrics = split (":","$metrics");
$nf = scalar (@splitted_metrics);
gp_message ("debug", $subr_name,"number of fields in $metrics -> $nf");
open (ZMETRICS, ">", "$noPCfile.metrics")
or die ("Not able to open file $noPCfile.metrics for writing - '$!'");
gp_message ("debug", $subr_name, "$noPCfile - opened file $noPCfile.metrics for writing");
print ZMETRICS @moo;
close (ZMETRICS);
gp_message ("debug", $subr_name, "wrote file $noPCfile.metrics");
open (XREGEXP, ">", "$noPCfile.c.regex")
or die ("Not able to open file $noPCfile.c.regex for writing - '$!'");
gp_message ("debug", $subr_name, "$noPCfile - opened file $noPCfile.c.regex for writing");
print XREGEXP "\# Number of metric fields\n";
print XREGEXP "$nf\n";
print XREGEXP "\# Header regex\n";
print XREGEXP "$hdr_regex\n";
print XREGEXP "\# href Header regex\n";
print XREGEXP "$hdr_href_regex\n";
print XREGEXP "\# src Header regex\n";
print XREGEXP "$hdr_src_regex\n";
$mf = 1;
#---------------------------------------------------------------------------
# Find the index of "field" in the metric list, plus one.
#---------------------------------------------------------------------------
if ( ($field eq "functions") or ($field eq "calls") or ($field eq "calltree"))
{
$mf = $nf + 1;
}
else
{
for my $candidate_metric (@splitted_metrics)
{
gp_message ("debugXL", $subr_name, "field = $field candidate_metric = $candidate_metric and mf = $mf");
if ($candidate_metric eq $field)
{
last;
}
$mf++;
}
}
gp_message ("debugXL", $subr_name, "Final value mf = $mf");
if ($mf == 1)
{
$re = "^\\s*(\\S+)"; # metric value
}
else
{
$re = "^\\s*\\S+";
}
$Xre = "^\\s*(\\S+)";
$m = 2;
while (--$nf)
{
if ($nf)
{
if ($m == $mf)
{
$re .= "\\s+(\\S+)"; # metric value
}
else
{
$re .= "\\s+\\S+";
}
if ($nf != 1)
{
$Xre .= "\\s+(\\S+)";
}
$m++;
}
}
if ($field eq "calltree")
{
$re .= "\\s+.*\\+-(.*)"; # name
$Xre .= "\\s+.*\\+-(.*)\$"; # name (Right?)
}
else
{
$re .= "\\s+(.*)"; # name
$Xre .= "\\s+(.*)\$"; # name
}
print XREGEXP "\# Metrics and Name regex\n";
print XREGEXP "$Xre\n";
close (XREGEXP);
gp_message ("debug", $subr_name, "wrote file $noPCfile.c.regex");
gp_message ("debugXL", $subr_name, "on return Xre = $Xre");
gp_message ("debugXL", $subr_name, "on return re = $re");
return ($re);
} #-- End of subroutine name_regex
#-------------------------------------------------------------------------------
# TBD
#-------------------------------------------------------------------------------
sub nosrc
{
my $subr_name = get_my_name ();
my ($input_string) = @_;
my $directory_name = append_forward_slash ($input_string);
my $LANG = $g_locale_settings{"LANG"};
my $result_file = $directory_name."no_source.html";
gp_message ("debug", $subr_name, "result_file = $result_file");
open (NS, ">", $result_file)
or die ("$subr_name: cannot open file $result_file for writing - '$!'");
print NS "<!doctype html public \"-//w3c//dtd html 3.2//en\">\n<html lang=\"$LANG\">\n<head>\n".
"<meta http-equiv=\"content-type\" content=\"text/html; charset=iso-8859-1\">\n" .
"<title>No source</title></head><body lang=\"$LANG\" bgcolor=".$g_html_color_scheme{"background_color_page"}."><pre>\n";
print NS "<a name=\"line1\"></a><font color=#C80707>"."No source was found"."</font>\n"; # red font
print NS "</pre>\n<pre>Output generated by $version_info</pre>\n";
print NS "</body></html>\n";
close (NS);
return (0);
} #-- End of subroutine nosrc
#------------------------------------------------------------------------------
# TBD.
#------------------------------------------------------------------------------
sub numerically
{
my $f1;
my $f2;
if ($a =~ /^([^\d]*)(\d+)/)
{
$f1 = int ($2);
if ($b=~ /^([^\d]*)(\d+)/)
{
$f2 = int ($2);
$f1 == $f2 ? 0 : ($f1 < $f2 ? -1 : +1);
}
}
else
{
return ($a <=> $b);
}
} #-- End of subroutine numerically
#------------------------------------------------------------------------------
# Parse the user options. Also perform a basic check. More checks and also
# some specific to the option will be performed after this subroutine.
#------------------------------------------------------------------------------
sub parse_and_check_user_options
{
my $subr_name = get_my_name ();
my ($no_of_args_ref, $option_list_ref) = @_;
my $no_of_args = ${ $no_of_args_ref };
my @option_list = @{ $option_list_ref };
my @exp_dir_list;
my $arg;
my $calltree_value;
my $debug_value;
my $default_metrics_value;
my $func_limit_value;
my $found_exp_dir = $FALSE;
my $ignore_metrics_value;
my $ignore_value;
my $message;
my $outputdir_value;
my $quiet_value;
my $hp_value;
my $valid;
my $verbose_value;
$no_of_args++;
gp_message ("debug", $subr_name, "no_of_args = $no_of_args");
gp_message ("debug", $subr_name, "option_list = @option_list");
my $option_errors = 0;
while (defined ($arg = shift @ARGV))
{
gp_message ("debug", $subr_name, "parsing options arg = $arg");
gp_message ("debug", $subr_name, "parsing options \@ARGV = @ARGV");
#------------------------------------------------------------------------------
# The gprofng driver adds this option. We need to get rid of it.
#------------------------------------------------------------------------------
next if ($arg eq "--whoami=gprofng display html");
#------------------------------------------------------------------------------
# Parse the input options and check for the values to be valid.
#
# Valid values are stored in the main option table.
#
# TBD: The early check handles some of these already and the duplicates
# can be removed. Be aware of some global settings though.
#------------------------------------------------------------------------------
if ($arg eq "--version")
{
print_version_info ();
exit (0);
}
elsif ($arg eq "--help")
{
$ignore_value = print_help_info ();
exit (0);
}
elsif (($arg eq "-v") or ($arg eq "--verbose"))
{
$verbose_value = shift @ARGV;
$valid = check_user_option ("verbose", $verbose_value);
if (not $valid)
{
$option_errors++;
}
else
{
$g_verbose = $g_user_settings{"verbose"}{"current_value"} eq "on" ? $TRUE : $FALSE;
}
next;
}
elsif (($arg eq "-w") or ($arg eq "--warnings"))
{
my $warnings_value = shift @ARGV;
$valid = check_user_option ("warnings", $warnings_value);
if (not $valid)
{
$option_errors++;
}
else
{
$g_warnings = $g_user_settings{"warnings"}{"current_value"} eq "on" ? $TRUE : $FALSE;
}
next;
}
elsif (($arg eq "-d") or ($arg eq "--debug"))
{
$debug_value = shift @ARGV;
$valid = check_user_option ("debug", $debug_value);
if (not $valid)
{
$option_errors++;
}
else
{
#------------------------------------------------------------------------------
# This function internally converts the value to uppercase.
#------------------------------------------------------------------------------
my $ignore_value = set_debug_size (\$debug_value);
}
next;
}
elsif (($arg eq "-q") or ($arg eq "--quiet"))
{
$quiet_value = shift @ARGV;
$valid = check_user_option ("quiet", $quiet_value);
if (not $valid)
{
$option_errors++;
}
else
{
$g_quiet = $g_user_settings{"quiet"}{"current_value"} eq "on" ? $TRUE : $FALSE;
}
next;
}
elsif (($arg eq "-o") or ($arg eq "--output"))
{
$outputdir_value = shift @ARGV;
$valid = check_user_option ("output", $outputdir_value);
if (not $valid)
{
$option_errors++;
}
next;
}
elsif (($arg eq "-O") or ($arg eq "--overwrite"))
{
$outputdir_value = shift @ARGV;
$valid = check_user_option ("overwrite", $outputdir_value);
if (not $valid)
{
$option_errors++;
}
next;
}
elsif (($arg eq "-hp") or ($arg eq "--highlight-percentage"))
{
$hp_value = shift @ARGV;
$valid = check_user_option ("highlight_percentage", $hp_value);
if (not $valid)
{
$option_errors++;
}
next;
}
# Temporarily disabled elsif (($arg eq "-fl") or ($arg eq "--func-limit"))
# Temporarily disabled {
# Temporarily disabled $func_limit_value = shift @ARGV;
# Temporarily disabled $valid = check_user_option ("func_limit", $func_limit_value);
# Temporarily disabled
# Temporarily disabled if (not $valid)
# Temporarily disabled {
# Temporarily disabled $option_errors++;
# Temporarily disabled }
# Temporarily disabled
# Temporarily disabled next;
# Temporarily disabled }
# Temporarily disabled elsif (($arg eq "-ct") or ($arg eq "--calltree"))
# Temporarily disabled {
# Temporarily disabled $calltree_value = shift @ARGV;
# Temporarily disabled $valid = check_user_option ("calltree", $calltree_value);
# Temporarily disabled
# Temporarily disabled if (not $valid)
# Temporarily disabled {
# Temporarily disabled $option_errors++;
# Temporarily disabled }
# Temporarily disabled
# Temporarily disabled next;
# Temporarily disabled }
# Temporarily disabled elsif (($arg eq "-tp") or ($arg eq "--threshold-percentage"))
# Temporarily disabled {
# Temporarily disabled $tp_value = shift @ARGV;
# Temporarily disabled $valid = check_user_option ("threshold_percentage", $tp_value);
# Temporarily disabled
# Temporarily disabled if (not $valid)
# Temporarily disabled {
# Temporarily disabled $option_errors++;
# Temporarily disabled }
# Temporarily disabled
# Temporarily disabled next;
# Temporarily disabled }
# Temporarily disabled elsif (($arg eq "-dm") or ($arg eq "--default-metrics"))
# Temporarily disabled {
# Temporarily disabled $default_metrics_value = shift @ARGV;
# Temporarily disabled $valid = check_user_option ("default_metrics", $default_metrics_value);
# Temporarily disabled
# Temporarily disabled if (not $valid)
# Temporarily disabled {
# Temporarily disabled $option_errors++;
# Temporarily disabled }
# Temporarily disabled
# Temporarily disabled next;
# Temporarily disabled }
# Temporarily disabled elsif (($arg eq "-im") or ($arg eq "--ignore-metrics"))
# Temporarily disabled {
# Temporarily disabled $ignore_metrics_value = shift @ARGV;
# Temporarily disabled $valid = check_user_option ("ignore_metrics", $ignore_metrics_value);
# Temporarily disabled
# Temporarily disabled if (not $valid)
# Temporarily disabled {
# Temporarily disabled $option_errors++;
# Temporarily disabled }
# Temporarily disabled
# Temporarily disabled next;
# Temporarily disabled }
else
{
#------------------------------------------------------------------------------
# When we get to this part of the code it means that the current command line
# argument is not a known option.
#
# We check if it is the name of an experiment directory and if so, add it to
# the list with directories to use.
#
# If not, print an error message and increment the error variable because this
# is clearly something that is not right.
#-------------------------------------------------------------------------------
if ($arg =~ /^\-.*/)
{
#-------------------------------------------------------------------------------
# It is an option, but not a supported one. Print a message and increment
# the error count.
#-------------------------------------------------------------------------------
$message = "option $arg is not a known option";
push (@g_user_input_errors, $message);
$option_errors++;
}
else
{
#-------------------------------------------------------------------------------
# Other than options, the input has to consist of at least one directory name.
# First remove any trailing slashes (/) and then check if the name is valid.
#-------------------------------------------------------------------------------
$arg =~ s/\/*\/$//;
if ($arg =~ /.+\.er$/)
{
#-------------------------------------------------------------------------------
# It is the name of an experiment directory and is added to the list.
#-------------------------------------------------------------------------------
$found_exp_dir = $TRUE;
push (@exp_dir_list, $arg);
}
else
{
#-------------------------------------------------------------------------------
# It is not a valid experiment directory name. Print a message and exit.
#-------------------------------------------------------------------------------
$message = "not a valid experiment directory name: $arg";
push (@g_user_input_errors, $message);
$option_errors++;
}
}
} #-- End of last else
} #-- End of while-loop
#-------------------------------------------------------------------------------
# Check if the name of the experiment directories is valid. Note that later
# we check for these directories to exist.
#-------------------------------------------------------------------------------
if (not $found_exp_dir)
{
$message = "experiment directory name(s) are either not valid, or missing";
push (@g_user_input_errors, $message);
$option_errors++;
}
#------------------------------------------------------------------------------
# Check for fatal errors to have occurred. If so, stop execution. Otherwise,
# confirm the verbose setting.
#------------------------------------------------------------------------------
if ($option_errors > 0)
{
gp_message ("debug", $subr_name, "a total of $option_errors input errors have been found");
}
else
{
gp_message ("debug", $subr_name, "no errors in the options found");
}
return ($option_errors, $found_exp_dir, \@exp_dir_list);
} #-- End of subroutine parse_and_check_user_options
#------------------------------------------------------------------------------
# Parse the generated .dis files
#------------------------------------------------------------------------------
sub parse_dis_files
{
my $subr_name = get_my_name ();
my ($number_of_metrics_ref, $function_info_ref,
$function_address_and_index_ref, $input_string_ref,
$addressobj_index_ref) = @_;
#------------------------------------------------------------------------------
# Note that $function_address_and_index_ref is not used, but we need to pass
# in the address into generate_dis_html.
#------------------------------------------------------------------------------
my $number_of_metrics = ${ $number_of_metrics_ref };
my @function_info = @{ $function_info_ref };
my $input_string = ${ $input_string_ref };
my %addressobj_index = %{ $addressobj_index_ref };
#------------------------------------------------------------------------------
# The regex section.
#------------------------------------------------------------------------------
my $dis_filename_id_regex = 'file\.([0-9]+)\.dis';
my $filename;
my $outputdir = append_forward_slash ($input_string);
my @source_line = ();
my $source_line_ref;
my @metric = ();
my $metric_ref;
my $target_function;
gp_message ("debug", $subr_name, "building disassembly files");
gp_message ("debug", $subr_name, "outputdir = $outputdir");
while (glob ($outputdir.'*.dis'))
{
gp_message ("debug", $subr_name, "processing disassembly file: $_");
my $base_name = get_basename ($_);
if ($base_name =~ /$dis_filename_id_regex/)
{
if (defined ($1))
{
gp_message ("debug", $subr_name, "processing disassembly file: $base_name $1");
if (exists ($function_info[$1]{"routine"}))
{
$target_function = $function_info[$1]{"routine"};
gp_message ("debug", $subr_name, "processing disassembly file: $base_name target_function = $target_function");
}
if (exists ($g_function_tag_id{$target_function}))
{
gp_message ("debug", $subr_name, "target_function = $target_function ftag = $g_function_tag_id{$target_function}");
}
else
{
my $msg = "no function tag found for $target_function";
gp_message ("assertion", $subr_name, $msg);
}
}
else
{
gp_message ("debug", $subr_name, "processing disassembly file: $base_name unknown id");
}
}
$filename = $_;
gp_message ("verbose", $subr_name, " Processing disassembly file $filename");
($source_line_ref, $metric_ref) = generate_dis_html (
\$target_function,
\$number_of_metrics,
$function_info_ref,
$function_address_and_index_ref,
\$outputdir,
\$filename,
\@source_line,
\@metric,
\%addressobj_index);
@source_line = @{ $source_line_ref };
@metric = @{ $metric_ref };
}
return (0)
} #-- End of subroutine parse_dis_files
#------------------------------------------------------------------------------
# Parse the .src.txt files
#------------------------------------------------------------------------------
sub parse_source_files
{
my $subr_name = get_my_name ();
my ($number_of_metrics_ref, $function_info_ref, $outputdir_ref) = @_;
my $number_of_metrics = ${ $number_of_metrics_ref };
my $outputdir = ${ $outputdir_ref };
my $ignore_value;
my $outputdir_with_slash = append_forward_slash ($outputdir);
gp_message ("verbose", $subr_name, "building source files");
while (glob ($outputdir_with_slash.'*.src.txt'))
{
gp_message ("verbose", $subr_name, " Processing source file: $_");
gp_message ("debug", $subr_name, "processing source file: $_");
my $found_target = process_source (
$number_of_metrics,
$function_info_ref,
$outputdir_with_slash,
$_);
if (not $found_target)
{
gp_message ("debug", $subr_name, "target function not found");
}
}
} #-- End of subroutine parse_source_files
#------------------------------------------------------------------------------
# Routine to prepend \\ to selected symbols.
#------------------------------------------------------------------------------
sub prepend_backslashes
{
my $subr_name = get_my_name ();
my ($target_string) = @_;
gp_message ("debug", $subr_name, "target_string on entry = $target_string");
$target_string =~ s/\(/\\\(/g;
$target_string =~ s/\)/\\\)/g;
$target_string =~ s/\+/\\\+/g;
$target_string =~ s/\[/\\\[/g;
$target_string =~ s/\]/\\\]/g;
$target_string =~ s/\*/\\\*/g;
$target_string =~ s/\./\\\./g;
$target_string =~ s/\$/\\\$/g;
$target_string =~ s/\^/\\\^/g;
$target_string =~ s/\#/\\\#/g;
gp_message ("debug", $subr_name, "target_string on return = $target_string");
return ($target_string);
} #-- End of subroutine prepend_backslashes
#------------------------------------------------------------------------------
# TBD
#------------------------------------------------------------------------------
sub preprocess_function_files
{
my $subr_name = get_my_name ();
my ($metric_description_ref, $script_pc_metrics, $input_string, $sort_fields_ref) = @_;
my $outputdir = append_forward_slash ($input_string);
my @sort_fields = @{ $sort_fields_ref };
my $error_code;
my $cmd_output;
my $re;
# TBD $outputdir .= "/";
gp_message ("debug", $subr_name, "enter subroutine");
my %metric_description = %{ $metric_description_ref };
for my $m (keys %metric_description)
{
gp_message ("debug", $subr_name, "metric_description{$m} = $metric_description{$m}");
}
$re = name_regex ($metric_description_ref, $script_pc_metrics, "functions", $outputdir."functions.sort.func-PC");
($error_code, $cmd_output) = execute_system_cmd ("echo '$re' > $outputdir"."functions.sort.func-PC.name-regex");
if ($error_code != 0 )
{
gp_message ("abort", $subr_name, "execution terminated");
}
for my $field (@sort_fields)
{
$re = name_regex ($metric_description_ref, $script_pc_metrics, $field, $outputdir."$field.sort.func-PC");
($error_code, $cmd_output) = execute_system_cmd ("echo '$re' > $outputdir"."$field.sort.func-PC.name-regex");
if ($error_code != 0 )
{
gp_message ("abort", $subr_name, "execution terminated");
}
}
$re = name_regex ($metric_description_ref, $script_pc_metrics, "calls", $outputdir."calls.sort.func-PC");
($error_code, $cmd_output) = execute_system_cmd ("echo '$re' > $outputdir"."calls.sort.func-PC.name-regex");
if ($error_code != 0 )
{
gp_message ("abort", $subr_name, "execution terminated");
}
if ($g_user_settings{"calltree"}{"current_value"} eq "on")
{
$re = name_regex ($metric_description_ref, $script_pc_metrics, "calltree", $outputdir."calltree.sort.func-PC");
($error_code, $cmd_output) = execute_system_cmd ("echo '$re' > $outputdir"."calltree.sort.func-PC.name-regex");
if ($error_code != 0 )
{
gp_message ("abort", $subr_name, "execution terminated");
}
}
return (0);
} #-- End of subroutine preprocess_function_files
#-------------------------------------------------------------------------------
# Print the help overview
#-------------------------------------------------------------------------------
sub print_help_info
{
print
#-------Marker line - do not go beyond this line ------------------------------
"Usage: $driver_cmd [OPTION(S)] EXPERIMENT(S)\n".
"\n".
"Process one or more experiments to generate a directory containing the\n" .
"index.html file that may be used to browse the experiment data.\n".
"\n".
"Options:\n".
"\n".
" --help print usage information and exit.\n".
" --version print the version number and exit.\n".
" --verbose {on|off} enable/disable verbose mode that shows diagnostic\n" .
" messages about the processing of the data; default\n" .
" is off.\n".
#-------Marker line - do not go beyond this line ------------------------------
" -d, --debug {on|s|m|l|xl|off} control the printing of run time information\n" .
" to assist with troubleshooting, or further\n" .
" development of this tool; on gives a modest amount\n" .
" of information; s, m, l, or xl gives an increasing\n" .
" amount of information and off disables the printing\n" .
" of debug information; note that currently on, s, m,\n" .
" and l are equivalent; this is expected to change in\n" .
" future updates; default is off.\n" .
#-------Marker line - do not go beyond this line ------------------------------
" -hp, ----highlight-percentage <value> a percentage value in the interval\n" .
" [0,100] to select and color code source\n" .
" lines as well as instructions that are\n" .
" within this percentage of the maximum\n" .
" metric value(s); a value of zero (-hp 0)\n" .
" disables this feature; the default is 90.\n".
#-------Marker line - do not go beyond this line ------------------------------
" -o, --output <dir-name> use <dir-name> to store the results in; the\n" .
" default name is ./display.<n>.html with <n> the\n" .
" first positive integer number not in use; an\n" .
" existing directory is not overwritten.\n".
#-------Marker line - do not go beyond this line ------------------------------
" -O, --overwrite <dir-name> use <dir-name> to store the results in and\n" .
" overwrite any existing directory with the\n" .
" same name; make sure that umask is set to the\n" .
" correct access permissions.\n" .
#-------Marker line - do not go beyond this line ------------------------------
" -q, --quiet {on|off} disable/allow the display of all warning, debug and\n" .
" verbose messages; if set to on, the settings for\n" .
" verbose, warnings and debug are ignored; default\n" .
" is off.\n".
#-------Marker line - do not go beyond this line ------------------------------
" -w, --warnings {on|off} enable/disable run time warning messages;\n" .
" default is on.\n".
"\n".
# Temmporarily disabled " -fl, --func-limit <limit> impose a limit on the number of functions processed;\n".
# Temmporarily disabled " this is an integer number; set to 0 to process all\n".
# Temmporarily disabled " functions; the default value is 100.\n".
# Temmporarily disabled "\n".
# Temmporarily disabled " -ct, --calltree {on|off} enable or disable an html page with a call tree linked\n".
# Temmporarily disabled " from the bottom of the first page; default is off.\n".
# Temmporarily disabled "\n".
# Temmporarily disabled " -tp, --threshold-percentage <percentage> provide a percentage of metric accountability; the\n".
# Temmporarily disabled " inclusion of functions for each metric will take\n".
# Temmporarily disabled " place in sort order until the percentage has been\n".
# Temmporarily disabled " reached.\n".
# Temmporarily disabled "\n".
# Temmporarily disabled " -dm, --default-metrics {on|off} enable or disable automatic selection of metrics\n".
# Temmporarily disabled " and use a default set of metrics; the default is off.\n".
# Temmporarily disabled "\n".
# Temmporarily disabled " -im, --ignore-metrics <metric-list> ignore the metrics from <metric-list>.\n".
# Temmporarily disabled "\n".
# Temmporarily disabled "Environment:\n".
# Temmporarily disabled "\n".
# Temmporarily disabled "The options can be set in a configuration file called .gp-display-html.rc. This\n".
# Temmporarily disabled "file needs to be either in the current directory, or in the home directory of the user.\n".
# Temmporarily disabled "The long name of the option without the leading dashes is supported. For example calltree\n".
# Temmporarily disabled "to enable or disable the call tree. Note that some options take a value. In case the same option\n".
# Temmporarily disabled "occurs multiple times in this file, only the last setting encountered is preserved.\n".
# Temmporarily disabled "\n".
"Documentation:\n".
"\n".
"A getting started guide for gprofng is maintained as a Texinfo manual.\n" .
"If the info and gprofng programs are properly installed at your site,\n" .
"the command \"info gprofng\" should give you access to this document.\n".
"\n".
"See also:\n".
"\n".
"gprofng(1), gp-archive(1), gp-collect-app(1), gp-display-src(1), " .
"gp-display-text(1)\n";
return (0);
} #-- End of subroutine print_help_info
#-------------------------------------------------------------------------------
# Print the meta data for each experiment directory.
#-------------------------------------------------------------------------------
sub print_meta_data_experiments
{
my $subr_name = get_my_name ();
my ($mode) = @_;
for my $exp (sort keys %g_exp_dir_meta_data)
{
for my $meta (sort keys %{$g_exp_dir_meta_data{$exp}})
{
gp_message ($mode, $subr_name, "$exp => $meta = $g_exp_dir_meta_data{$exp}{$meta}");
}
}
return (0);
} #-- End of subroutine print_meta_data_experiments
#------------------------------------------------------------------------------
# Brute force subroutine that prints the contents of a structure with function
# level information. This version is for a top level array structure,
# followed by a hash.
#------------------------------------------------------------------------------
sub print_metric_function_array
{
my $subr_name = get_my_name ();
my ($metric, $struct_type_name, $target_structure_ref) = @_;
my @target_structure = @{$target_structure_ref};
gp_message ("debugXL", $subr_name, "contents of structure ".$struct_type_name."{".$metric."}:");
for my $fields (sort keys @target_structure)
{
for my $elems (sort keys % {$target_structure[$fields]})
{
my $msg = $struct_type_name."{$metric}[$fields]{$elems} = ";
$msg .= $target_structure[$fields]{$elems};
gp_message ("debugXL", $subr_name, $msg);
}
}
return (0);
} #-- End of subroutine print_metric_function_array
#------------------------------------------------------------------------------
# Brute force subroutine that prints the contents of a structure with function
# level information. This version is for a top level hash structure. The
# next level may be another hash, or an array.
#------------------------------------------------------------------------------
sub print_metric_function_hash
{
my $subr_name = get_my_name ();
my ($sub_struct_type, $metric, $struct_type_name, $target_structure_ref) = @_;
my %target_structure = %{$target_structure_ref};
gp_message ("debugXL", $subr_name, "contents of structure ".$struct_type_name."{".$metric."}:");
for my $fields (sort keys %target_structure)
{
gp_message ("debugXL", $subr_name, "metric = $metric fields = $fields");
if ($sub_struct_type eq "hash_hash")
{
for my $elems (sort keys %{$target_structure{$fields}})
{
my $txt = $struct_type_name."{$metric}{$fields}{$elems} = ";
$txt .= $target_structure{$fields}{$elems};
gp_message ("debugXL", $subr_name, $txt);
}
}
elsif ($sub_struct_type eq "hash_array")
{
my $values = "";
for my $elems (sort keys @{$target_structure{$fields}})
{
$values .= "$target_structure{$fields}[$elems] ";
}
gp_message ("debugXL", $subr_name, $struct_type_name."{$metric}{$fields} = $values");
}
else
{
my $msg = "sub-structure type '$sub_struct_type' is not supported";
gp_message ("assertion", $subr_name, $msg);
}
}
return (0);
} #-- End of subroutine print_metric_function_hash
#------------------------------------------------------------------------------
# Print the opening message.
#------------------------------------------------------------------------------
sub print_opening_message
{
my $subr_name = get_my_name ();
#------------------------------------------------------------------------------
# Since the second argument is an array, we pass it in by reference. The
# alternative is to make it the last argument.
#------------------------------------------------------------------------------
my ($outputdir, $exp_dir_list_ref, $time_percentage_multiplier) = @_;
my @exp_dir_list = @{$exp_dir_list_ref};
my $msg;
my $no_of_dirs = scalar (@exp_dir_list);
#------------------------------------------------------------------------------
# Build a comma separated list with all directory names. If there is only one
# entry, the leading comma will not be inserted.
#------------------------------------------------------------------------------
my $dir_list = join (", ", @exp_dir_list);
#------------------------------------------------------------------------------
# If there are at least two entries, find the last comma and replace it by
# " and". Note that we know there is at least one comma, so the value
# returned by rindex () cannot be -1.
#------------------------------------------------------------------------------
if ($no_of_dirs > 1)
{
my $last_comma = rindex ($dir_list, ",");
my $ignore_value = substr ($dir_list, $last_comma, 1, " and");
}
$msg = "start $tool_name, generating directory $outputdir from $dir_list";
gp_message ("verbose", $subr_name, $msg);
if ($time_percentage_multiplier < 1.0)
{
$msg = "Handle at least ";
}
else
{
$msg = "Handle ";
}
$msg .= ($time_percentage_multiplier*100.0)."% of the time";
gp_message ("verbose", $subr_name, $msg);
} #-- End of subroutine print_opening_message
#------------------------------------------------------------------------------
# TBD.
#------------------------------------------------------------------------------
sub print_program_header
{
my $subr_name = get_my_name ();
my ($mode, $tool_name, $binutils_version) = @_;
my $header_limit = 60;
my $dashes = "-";
#------------------------------------------------------------------------------
# Generate the dashed line
#------------------------------------------------------------------------------
for (2 .. $header_limit)
{
$dashes .= "-";
}
gp_message ($mode, $subr_name, $dashes);
gp_message ($mode, $subr_name, "Tool name: $tool_name");
gp_message ($mode, $subr_name, "Version : $binutils_version");
gp_message ($mode, $subr_name, "Date : " . localtime ());
gp_message ($mode, $subr_name, $dashes);
} #-- End of subroutine print_program_header
#------------------------------------------------------------------------------
# Print a comment string, followed by the values of the options. The list
# with the keywords is sorted alphabetically.
#
# The value stored in $mode is passed on to gp_message (). The intended use
# for this is to call this function in verbose and/or debug mode.
#
# The comment string is converted to uppercase.
#
# In case the length of the comment exceeds the length of the dashed line,
# the comment line is allowed to stick out to the right.
#
# If the length of the comment is less than the dashed line, it is centered
# relative to the # length of the dashed line.
# If the length of the comment and this line do not divide, an extra space is
# added to the left of the comment.
#
# For example, if the comment is 55 long, there are 5 spaces to be distributed.
# There will be 3 spaces, followed by the comment.
#------------------------------------------------------------------------------
sub print_table_user_settings
{
my $subr_name = get_my_name ();
my ($mode, $comment) = @_;
my $leftover;
my $padding;
my $keyword;
my $user_option;
my $defined;
my $value;
my $data_type;
my $HEADER_LIMIT = 60;
my $header = sprintf ("%-20s %-9s %8s %s", "keyword", "option", "user set", "value");
#------------------------------------------------------------------------------
# Generate the dashed line
#------------------------------------------------------------------------------
my $dashes = "-";
for (2 .. $HEADER_LIMIT)
{
$dashes .= "-";
}
#------------------------------------------------------------------------------
# Determine the padding needed to the left of the comment.
#------------------------------------------------------------------------------
my $length_comment = length ($comment);
$leftover = $length_comment%2;
if ($length_comment <= ($HEADER_LIMIT-2))
{
$padding = ($HEADER_LIMIT - $length_comment + $leftover)/2;
}
else
{
$padding = 0;
}
#------------------------------------------------------------------------------
# Generate the first blank part of the line.
#------------------------------------------------------------------------------
my $blank_line = "";
for (1 .. $padding)
{
$blank_line .= " ";
}
#------------------------------------------------------------------------------
# Add the comment line with the first letter in uppercase.
#------------------------------------------------------------------------------
my $final_comment = $blank_line.ucfirst ($comment);
gp_message ($mode, $subr_name, $dashes);
gp_message ($mode, $subr_name, $final_comment);
gp_message ($mode, $subr_name, $dashes);
gp_message ($mode, $subr_name, $header);
gp_message ($mode, $subr_name, $dashes);
#------------------------------------------------------------------------------
# Print a line for each option. The list is sorted alphabetically.
#------------------------------------------------------------------------------
for my $rc_keyword (sort keys %g_user_settings)
{
$keyword = $rc_keyword;
$user_option = $g_user_settings{$rc_keyword}{"option"};
$defined = ($g_user_settings{$rc_keyword}{"defined"} ? "set" : "not set");
$data_type = $g_user_settings{$rc_keyword}{"data_type"};
if (defined ($g_user_settings{$rc_keyword}{"current_value"}))
{
$value = $g_user_settings{$rc_keyword}{"current_value"};
if ($data_type eq "boolean")
{
$value = $value ? "on" : "off";
}
}
else
{
$value = "undefined";
}
my $print_line = sprintf ("%-20s %-9s %8s %s", $keyword, $user_option, $defined, $value);
gp_message ($mode, $subr_name, $print_line);
}
} #-- End of subroutine print_table_user_settings
#------------------------------------------------------------------------------
# Dump the contents of nested hash "g_user_settings". Some simple formatting
# is applied to make it easier to distinguish the various values.
#------------------------------------------------------------------------------
sub print_user_settings
{
my $subr_name = get_my_name ();
my ($mode, $comment) = @_;
my $keyword_value_pair;
gp_message ($mode, $subr_name, $comment);
for my $rc_keyword (keys %g_user_settings)
{
my $print_line = sprintf ("%-20s =>", $rc_keyword);
for my $fields (sort keys %{ $g_user_settings{$rc_keyword} })
{
if (defined ($g_user_settings{$rc_keyword}{$fields}))
{
$keyword_value_pair = $fields." = ".$g_user_settings{$rc_keyword}{$fields};
}
else
{
$keyword_value_pair = $fields." = ". "undefined";
}
$print_line = join (" ", $print_line, $keyword_value_pair);
}
gp_message ($mode, $subr_name, $print_line);
}
} #-- End of subroutine print_user_settings
#------------------------------------------------------------------------------
# Print the version number and license information.
#------------------------------------------------------------------------------
sub print_version_info
{
print "$version_info\n";
print "Copyright (C) 2023 Free Software Foundation, Inc.\n";
print "License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.\n";
print "This is free software: you are free to change and redistribute it.\n";
print "There is NO WARRANTY, to the extent permitted by law.\n";
return (0);
} #-- End of subroutine print_version_info
#------------------------------------------------------------------------------
# Process the call tree input data and generate HTML output.
#------------------------------------------------------------------------------
sub process_calltree
{
my $subr_name = get_my_name ();
my ($function_info_ref, $function_address_info_ref, $addressobjtextm_ref,
$input_string) = @_;
my @function_info = @{ $function_info_ref };
my %function_address_info = %{ $function_address_info_ref };
my %addressobjtextm = %{ $addressobjtextm_ref };
my $outputdir = append_forward_slash ($input_string);
my @call_tree_data = ();
my $LANG = $g_locale_settings{"LANG"};
my $decimal_separator = $g_locale_settings{"decimal_separator"};
my $infile = $outputdir . "calltree";
my $outfile = $outputdir . "calltree.html";
open (CALL_TREE_IN, "<", $infile)
or die ("Not able to open calltree file $infile for reading - '$!'");
gp_message ("debug", $subr_name, "opened file $infile for reading");
open (CALL_TREE_OUT, ">", $outfile)
or die ("Not able to open $outfile for writing - '$!'");
gp_message ("debug", $subr_name, "opened file $outfile for writing");
gp_message ("debug", $subr_name, "building calltree file $outfile");
#------------------------------------------------------------------------------
# The directory name is potentially used below, but since it is a constant,
# we get it here and only once.
#------------------------------------------------------------------------------
# my ($ignore_file_name, $directory_name, $ignore_suffix) = fileparse ($infile,"");
# gp_message ("debug", $subr_name, "directory_name = $directory_name");
#------------------------------------------------------------------------------
# Generate some of the structures used in the HTML output.
#------------------------------------------------------------------------------
my $file_title = "Call Tree overview";
my $html_header = ${ create_html_header (\$file_title) };
my $html_home_right = ${ generate_home_link ("right") };
my $page_title = "Call Tree View";
my $size_text = "h2";
my $position_text = "center";
my $html_title_header = ${ generate_a_header (
\$page_title,
\$size_text,
\$position_text) };
#-------------------------------------------------------------------------------
# Get the acknowledgement, return to main link, and final html statements.
#-------------------------------------------------------------------------------
my $html_home_left = ${ generate_home_link ("left") };
my $html_acknowledgement = ${ create_html_credits () };
my $html_end = ${ terminate_html_document () };
#------------------------------------------------------------------------------
# Read all of the file into array with the name call_tree_data.
#------------------------------------------------------------------------------
chomp (@call_tree_data = <CALL_TREE_IN>);
close (CALL_TREE_IN);
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Process the data here and generate the HTML lines.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Print the top part of the HTML file.
#------------------------------------------------------------------------------
print CALL_TREE_OUT $html_header;
print CALL_TREE_OUT $html_home_right;
print CALL_TREE_OUT $html_title_header;
#-------------------------------------------------------------------------------
# Print the generated HTML structures here.
#-------------------------------------------------------------------------------
## print CALL_TREE_OUT "$_" for @whatever;
## print CALL_TREE_OUT "<pre>\n";
## print CALL_TREE_OUT "$_\n" for @whatever2;
## print CALL_TREE_OUT "</pre>\n";
#-------------------------------------------------------------------------------
# Print the last part of the HTML file.
#-------------------------------------------------------------------------------
print CALL_TREE_OUT $html_home_left;
print CALL_TREE_OUT "<br>\n";
print CALL_TREE_OUT $html_acknowledgement;
print CALL_TREE_OUT $html_end;
close (CALL_TREE_OUT);
return (0);
} #-- End of subroutine process_calltree
#-------------------------------------------------------------------------------
# Process the generated experiment info file(s).
#-------------------------------------------------------------------------------
sub process_experiment_info
{
my $subr_name = get_my_name ();
my ($experiment_data_ref) = @_;
my @exp_info;
my @experiment_data = @{ $experiment_data_ref };
my $exp_id;
my $exp_name;
my $exp_data_file;
my $input_line;
my $target_cmd;
my $hostname ;
my $OS;
my $page_size;
my $architecture;
my $start_date;
my $end_experiment;
my $data_collection_duration;
my $total_thread_time;
my $user_cpu_time;
my $user_cpu_percentage;
my $system_cpu_time;
my $system_cpu_percentage;
my $sleep_time;
my $sleep_percentage;
#-------------------------------------------------------------------------------
# Define the regular expressions used to capture the info.
#-------------------------------------------------------------------------------
# Target command (64-bit): './../bindir/mxv-pthreads.exe -m 3000 -n 2000 -t 2'
my $target_cmd_regex = '\s*Target command\s+(\(.+\)):\s+\'(.+)\'';
# Host `ruudvan-vm-haswell-2-20210609', OS `Linux 5.4.17-2102.202.5.el8uek.x86_64', page size 4096, architecture `x86_64'
my $host_system_regex = '\s*Host\s+\`(.+)\',\s+OS\s+\`(.+)\',\s+page size\s+(\d+),\s+architecture\s+\`(.+)\'';
# Experiment started Mon Aug 30 13:03:20 2021
my $start_date_regex = '\s*Experiment started\s+(.+)';
# Experiment Ended: 1.812441219
my $end_experiment_regex = '\s*Experiment Ended:\s+(.+)';
# Data Collection Duration: 1.812441219
my $data_collection_duration_regex = '\s*Data Collection Duration:\s+(.+)';
# Total Thread Time (sec.): 1.812
my $total_thread_time_regex = '\s*Total Thread Time (sec.):\s+(.+)';
# User CPU: 1.685 ( 95.0%)
my $user_cpu_regex = '\s*User CPU:\s+(.+)\s+\(\s*(.+)\)';
# System CPU: 0.088 ( 5.0%)
my $system_cpu_regex = '\s*System CPU:\s+(.+)\s+\(\s*(.+)\)';
# Sleep: 0. ( 0. %)
my $sleep_regex = '\s*Sleep:\s+(.+)\s+\(\s*(.+)\)';
#-------------------------------------------------------------------------------
# Scan the experiment data and select the info of interest.
#-------------------------------------------------------------------------------
for my $i (sort keys @experiment_data)
{
$exp_id = $experiment_data[$i]{"exp_id"};
$exp_name = $experiment_data[$i]{"exp_name_full"};
$exp_data_file = $experiment_data[$i]{"exp_data_file"};
my $msg = "exp_id = $exp_id name = $exp_name file = $exp_data_file";
gp_message ("debug", $subr_name, $msg);
open (EXPERIMENT_INFO, "<", $exp_data_file)
or die ("$subr_name - unable to open file $exp_data_file for reading '$!'");
gp_message ("debug", $subr_name, "opened file $exp_data_file for reading");
chomp (@exp_info = <EXPERIMENT_INFO>);
#-------------------------------------------------------------------------------
# Process the info for the current experiment.
#-------------------------------------------------------------------------------
for my $line (0 .. $#exp_info)
{
$input_line = $exp_info[$line];
my $msg = "exp_id = $exp_id: input_line = $input_line";
gp_message ("debugM", $subr_name, $msg);
if ($input_line =~ /$target_cmd_regex/)
{
$target_cmd = $2;
gp_message ("debugM", $subr_name, "$exp_id => $target_cmd");
$experiment_data[$i]{"target_cmd"} = $target_cmd;
}
elsif ($input_line =~ /$host_system_regex/)
{
$hostname = $1;
$OS = $2;
$page_size = $3;
$architecture = $4;
gp_message ("debugM", $subr_name, "$exp_id => $hostname $OS $page_size $architecture");
$experiment_data[$i]{"hostname"} = $hostname;
$experiment_data[$i]{"OS"} = $OS;
$experiment_data[$i]{"page_size"} = $page_size;
$experiment_data[$i]{"architecture"} = $architecture;
}
elsif ($input_line =~ /$start_date_regex/)
{
$start_date = $1;
gp_message ("debugM", $subr_name, "$exp_id => $start_date");
$experiment_data[$i]{"start_date"} = $start_date;
}
elsif ($input_line =~ /$end_experiment_regex/)
{
$end_experiment = $1;
gp_message ("debugM", $subr_name, "$exp_id => $end_experiment");
$experiment_data[$i]{"end_experiment"} = $end_experiment;
}
elsif ($input_line =~ /$data_collection_duration_regex/)
{
$data_collection_duration = $1;
gp_message ("debugM", $subr_name, "$exp_id => $data_collection_duration");
$experiment_data[$i]{"data_collection_duration"} = $data_collection_duration;
}
#------------------------------------------------------------------------------
# Start Label: Total
# End Label: Total
# Start Time (sec.): 0.000
# End Time (sec.): 1.812
# Duration (sec.): 1.812
# Total Thread Time (sec.): 1.812
# Average number of Threads: 1.000
#
# Process Times (sec.):
# User CPU: 1.666 ( 91.9%)
# System CPU: 0.090 ( 5.0%)
# Trap CPU: 0. ( 0. %)
# User Lock: 0. ( 0. %)
# Data Page Fault: 0. ( 0. %)
# Text Page Fault: 0. ( 0. %)
# Kernel Page Fault: 0. ( 0. %)
# Stopped: 0. ( 0. %)
# Wait CPU: 0. ( 0. %)
# Sleep: 0.056 ( 3.1%)
#------------------------------------------------------------------------------
elsif ($input_line =~ /$total_thread_time_regex/)
{
$total_thread_time = $1;
gp_message ("debugM", $subr_name, "$exp_id => $total_thread_time");
$experiment_data[$i]{"total_thread_time"} = $total_thread_time;
}
elsif ($input_line =~ /$user_cpu_regex/)
{
$user_cpu_time = $1;
$user_cpu_percentage = $2;
gp_message ("debugM", $subr_name, "$exp_id => $user_cpu_time $user_cpu_percentage");
$experiment_data[$i]{"user_cpu_time"} = $user_cpu_time . " (" . $user_cpu_percentage . ")";
$experiment_data[$i]{"user_cpu_percentage"} = $user_cpu_percentage;
}
elsif ($input_line =~ /$system_cpu_regex/)
{
$system_cpu_time = $1;
$system_cpu_percentage = $2;
gp_message ("debugM", $subr_name, "$exp_id => $system_cpu_time $system_cpu_percentage");
$experiment_data[$i]{"system_cpu_time"} = $system_cpu_time . " (" . $system_cpu_percentage . ")";
$experiment_data[$i]{"system_cpu_percentage"} = $system_cpu_percentage;
}
elsif ($input_line =~ /$sleep_regex/)
{
$sleep_time = $1;
$sleep_percentage = $2;
$experiment_data[$i]{"sleep_time"} = $sleep_time . " (" . $sleep_percentage . ")";
$experiment_data[$i]{"sleep_percentage"} = $sleep_percentage;
my $msg = "exp_id = $exp_id => sleep_time = $sleep_time " .
"sleep_percentage = $sleep_percentage";
gp_message ("debugM", $subr_name, $msg);
}
}
}
for my $keys (0 .. $#experiment_data)
{
for my $fields (sort keys %{ $experiment_data[$keys] })
{
my $msg = "experiment_data[$keys]{$fields} = " .
$experiment_data[$keys]{$fields};
gp_message ("debugM", $subr_name, $msg);
}
}
return (\@experiment_data);
} #-- End of subroutine process_experiment_info
#------------------------------------------------------------------------------
# TBD
#------------------------------------------------------------------------------
sub process_function_files
{
my $subr_name = get_my_name ();
my ($exp_dir_list_ref, $executable_name, $time_percentage_multiplier,
$summary_metrics, $process_all_functions, $elf_loadobjects_found,
$outputdir, $sort_fields_ref, $function_info_ref,
$function_address_and_index_ref, $LINUX_vDSO_ref,
$metric_description_ref, $elf_arch, $base_va_executable,
$ARCHIVES_MAP_NAME, $ARCHIVES_MAP_VADDR, $elf_rats_ref) = @_;
my $old_fsummary;
my $total_attributed_time;
my $current_attributed_time;
my $value;
my @exp_dir_list = @{ $exp_dir_list_ref };
my @function_info = @{ $function_info_ref };
my %function_address_and_index = %{ $function_address_and_index_ref };
my @sort_fields = @{ $sort_fields_ref };
my %metric_description = %{ $metric_description_ref };
my %elf_rats = %{ $elf_rats_ref };
#------------------------------------------------------------------------------
# The regex section.
#
# TBD: Remove the part regarding clones. Legacy.
#------------------------------------------------------------------------------
my $replace_quote_regex = '"/\"';
my $find_clone_regex = '^(.*)(\s+--\s+cloned\s+version\s+\[)([^]]+)(\])';
my %addressobj_index = ();
my %function_address_info = ();
my $function_address_info_ref;
$outputdir = append_forward_slash ($outputdir);
my %functions_per_metric_indexes = ();
my $functions_per_metric_indexes_ref;
my %functions_per_metric_first_index = ();
my $functions_per_metric_first_index_ref;
my %routine_list = ();
my %handled_routines = ();
#------------------------------------------------------------------------------
# TBD: Name cleanup needed.
#------------------------------------------------------------------------------
my $number_of_metrics;
my $expr_name;
my $routine;
my $tmp;
my $loadobj;
my $PCA;
my $address_field;
my $limit_txt;
my $n_metrics_text;
my $disfile;
my $srcfile;
my $RIN;
my $gp_listings_cmd;
my $gp_display_text_cmd;
my $ignore_value;
my $result_file = $outputdir . "gp-listings.out";
my $gp_error_file = $outputdir . "gp-listings.err";
my $convert_to_dot = $g_locale_settings{"convert_to_dot"};
my $decimal_separator = $g_locale_settings{"decimal_separator"};
my $length_of_string = length ($outputdir);
$expr_name = join (" ", @exp_dir_list);
gp_message ("debug", $subr_name, "expr_name = $expr_name");
#------------------------------------------------------------------------------
# Loop over the files in $outputdir.
#------------------------------------------------------------------------------
while (glob ($outputdir.'*.sort.func-PC'))
{
my $metric;
my $infile;
my $ignore_value;
my $suffix_not_used;
$infile = $_;
($metric, $ignore_value, $suffix_not_used) = fileparse ($infile, ".sort.func-PC");
gp_message ("debugXL", $subr_name, "suffix_not_used = $suffix_not_used");
gp_message ("debugXL", $subr_name, "func-PC->$infile<- metric->$metric<-");
# Function_info creates the functions files from the PC ones
# as well as culling PC and metric information
($function_address_info_ref,
$functions_per_metric_first_index_ref,
$functions_per_metric_indexes_ref) = function_info (
$outputdir,
$infile,
$metric,
$LINUX_vDSO_ref);
@{$function_address_info{$metric}} = @{$function_address_info_ref};
%{$functions_per_metric_indexes{$metric}} = %{$functions_per_metric_indexes_ref};
%{$functions_per_metric_first_index{$metric}} = %{$functions_per_metric_first_index_ref};
$ignore_value = print_metric_function_array ($metric,
"function_address_info",
\@{$function_address_info{$metric}});
$ignore_value = print_metric_function_hash ("hash_hash", $metric,
"functions_per_metric_first_index",
\%{$functions_per_metric_first_index{$metric}});
$ignore_value = print_metric_function_hash ("hash_array", $metric,
"functions_per_metric_indexes",
\%{$functions_per_metric_indexes{$metric}});
}
#------------------------------------------------------------------------------
# Get header info for use in post processing er_html output
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "get_hdr_info section");
get_hdr_info ($outputdir, $outputdir."functions.sort.func");
for my $field (@sort_fields)
{
get_hdr_info ($outputdir, $outputdir."$field.sort.func");
}
#------------------------------------------------------------------------------
# Caller-callee
#------------------------------------------------------------------------------
get_hdr_info ($outputdir, $outputdir."calls.sort.func");
#------------------------------------------------------------------------------
# Calltree
#------------------------------------------------------------------------------
if ($g_user_settings{"calltree"}{"current_value"} eq "on")
{
get_hdr_info ($outputdir, $outputdir."calltree.sort.func");
}
gp_message ("debug", $subr_name, "process functions");
my $scriptfile = $outputdir.'gp-script';
my $script_metrics = "$summary_metrics";
my $func_limit = $g_user_settings{"func_limit"}{"current_value"};
open (SCRIPT, ">", $scriptfile)
or die ("Unable to create script file $scriptfile - '$!'");
gp_message ("debug", $subr_name, "opened script file $scriptfile for writing");
print SCRIPT "# limit $func_limit\n";
print SCRIPT "limit $func_limit\n";
print SCRIPT "# thread_select all\n";
print SCRIPT "thread_select all\n";
print SCRIPT "# metrics $script_metrics\n";
print SCRIPT "metrics $script_metrics\n";
for my $metric (@sort_fields)
{
gp_message ("debug", $subr_name, "handling $metric->$metric_description{$metric}");
$total_attributed_time = 0;
$current_attributed_time = 0;
$value = $function_address_info{$metric}[0]{"metric_value"}; # <Total>
if ($convert_to_dot)
{
$value =~ s/$decimal_separator/\./;
}
$total_attributed_time = $value;
#------------------------------------------------------------------------------
# start at 1 - skipping <Total>
#------------------------------------------------------------------------------
for my $INDEX (1 .. $#{$function_address_info{$metric}})
{
#------------------------------------------------------------------------------
#Looking to handle at least 99% of the time - or what the user asked for
#------------------------------------------------------------------------------
$value = $function_address_info{$metric}[$INDEX]{"metric_value"};
$routine = $function_address_info{$metric}[$INDEX]{"routine"};
gp_message ("debugXL", $subr_name, " total $total_attributed_time current $current_attributed_time");
gp_message ("debugXL", $subr_name, " (found routine $routine : value $value)");
if ($convert_to_dot)
{
$value =~ s/$decimal_separator/\./;
}
if ( ($value > $total_attributed_time*(1-$time_percentage_multiplier)) or
( ($total_attributed_time == 0) and ($value>0) ) or
$process_all_functions)
{
$PCA = $function_address_info{$metric}[$INDEX]{"PC Address"};
if (not exists ($functions_per_metric_first_index{$metric}{$routine}{$PCA}))
{
gp_message ("debugXL", $subr_name, "not exists: functions_per_metric_first_index{$metric}{$routine}{$PCA}");
}
if (not exists ($function_address_and_index{$routine}{$PCA}))
{
gp_message ("debugXL", $subr_name, "not exists: function_address_and_index{$routine}{$PCA}");
}
if (exists ($functions_per_metric_first_index{$metric}{$routine}{$PCA}) and
exists ($function_address_and_index{$routine}{$PCA}))
{
#------------------------------------------------------------------------------
# handled_routines now contains $RI from "first_metric" (?)
#------------------------------------------------------------------------------
$handled_routines{$function_address_and_index{$routine}{$PCA}} = 1;
my $description = ${ retrieve_metric_description (\$metric, \%metric_description) };
if ($metric_description{$metric} =~ /Exclusive Total CPU Time/)
{
$routine_list{$routine} = 1
}
gp_message ("debugXL", $subr_name, " $routine is candidate");
}
else
{
die ("internal error for metric $metric and routine $routine");
}
$current_attributed_time += $value;
}
}
}
#------------------------------------------------------------------------------
# Sort numerically in ascending order.
#------------------------------------------------------------------------------
for my $routine_index (sort {$a <=> $b} keys %handled_routines)
{
$routine = $function_info[$routine_index]{"routine"};
gp_message ("debugXL", $subr_name, "routine_index = $routine_index routine = $routine");
next unless $routine_list{$routine};
# not used $source = $function_info[$routine_index]{"Source File"};
$function_info[$routine_index]{"srcline"} = "";
$address_field = $function_info[$routine_index]{"addressobjtext"};
## $disfile = "file\.$routine_index\.dis";
$disfile = "file." . $routine_index . "." . $g_html_base_file_name{"disassembly"};
$srcfile = "";
$srcfile = "file\.$routine_index\.src.txt";
#------------------------------------------------------------------------------
# If the file is unknown, we can disassemble anyway and add disassembly
# to the script.
#------------------------------------------------------------------------------
print SCRIPT "# outfile $outputdir"."$disfile\n";
print SCRIPT "outfile $outputdir"."$disfile\n";
#------------------------------------------------------------------------------
# TBD: Legacy. Not sure why this is needed, but it won't harm things. I hope.
#------------------------------------------------------------------------------
$tmp = $routine;
$tmp =~ s/$replace_quote_regex//g;
print SCRIPT "# disasm \"$tmp\" $address_field\n";
print SCRIPT "disasm \"$tmp\" $address_field\n";
if ($srcfile=~/file/)
{
print SCRIPT "# outfile $outputdir"."$srcfile\n";
print SCRIPT "outfile $outputdir"."$srcfile\n";
print SCRIPT "# source \"$tmp\" $address_field\n";
print SCRIPT "source \"$tmp\" $address_field\n";
}
if ($routine =~ /$find_clone_regex/)
{
my ($clone_routine) = $1.$2.$3.$4;
my ($clone) = $3;
}
}
close SCRIPT;
#------------------------------------------------------------------------------
# Remember the number of handled routines depends on the limit setting passed
# to er_print together with the sorting order on the metrics, which usually results
# in different routines at the top. Thus $RIN below can be greater than the limit.
#------------------------------------------------------------------------------
$RIN = scalar (keys %handled_routines);
if (!$func_limit)
{
$limit_txt = "unlimited";
}
else
{
$limit_txt = $func_limit - 1;
}
$number_of_metrics = scalar (@sort_fields);
$n_metrics_text = ($number_of_metrics == 1) ? "metric" : "metrics";
gp_message ("debugXL", $subr_name, "built function list with $RIN functions");
gp_message ("debugXL", $subr_name, "$number_of_metrics $n_metrics_text and a function limit of $limit_txt");
# add ELF program header offset
for my $routine_index (sort {$a <=> $b} keys %handled_routines)
{
$routine = $function_info[$routine_index]{"routine"};
$loadobj = $function_info[$routine_index]{"Load Object"};
gp_message ("debugXL", $subr_name, "routine = $routine loadobj = $loadobj elf_arch = $elf_arch");
if ($loadobj ne '')
{
# <Truncated-stack> is associated with <Total>. Its load object is <Total>
if ($loadobj eq "<Total>")
{
next;
}
# Have seen a routine called <Unknown>. Its load object is <Unknown>
if ($loadobj eq "<Unknown>")
{
next;
}
###############################################################################
## RUUD: The new approach gives a different result. Investigate this.
#
# Turns out the new code improves the result. The addresses are now correct
# and as a result, more ftag's are created later on.
###############################################################################
gp_message ("debugXL", $subr_name, "before function_info[$routine_index]{addressobj} = $function_info[$routine_index]{'addressobj'}");
$function_info[$routine_index]{"addressobj"} += bigint::hex (
determine_base_va_address (
$executable_name,
$base_va_executable,
$loadobj,
$routine));
$addressobj_index{$function_info[$routine_index]{"addressobj"}} = $routine_index;
gp_message ("debugXL", $subr_name, "after function_info[$routine_index]{addressobj} = $function_info[$routine_index]{'addressobj'}");
gp_message ("debugXL", $subr_name, "after addressobj_index{function_info[$routine_index]{addressobj}} = $addressobj_index{$function_info[$routine_index]{'addressobj'}}");
}
}
#------------------------------------------------------------------------------
# Get the disassembly and source code output.
#------------------------------------------------------------------------------
$gp_listings_cmd = "$GP_DISPLAY_TEXT -limit $func_limit -viewmode machine " .
"-compare off -script $scriptfile $expr_name";
$gp_display_text_cmd = "$gp_listings_cmd 1> $result_file 2>> $gp_error_file";
gp_message ("debugXL", $subr_name,"gp_display_text_cmd = $gp_display_text_cmd");
gp_message ("debug", $subr_name, "calling $GP_DISPLAY_TEXT to produce disassembly and source code output");
my ($error_code, $cmd_output) = execute_system_cmd ($gp_display_text_cmd);
if ($error_code != 0)
{
$ignore_value = msg_display_text_failure ($gp_display_text_cmd,
$error_code,
$gp_error_file);
gp_message ("abort", "execution terminated");
}
return (\@function_info, \%function_address_info, \%addressobj_index);
} #-- End of subroutine process_function_files
#------------------------------------------------------------------------------
# Process the information found in the function overview file passed in.
#
# Example input:
#
# Current Sort Metric: Exclusive Total CPU Time ( e.totalcpu )
# Functions sorted by metric: Exclusive Total CPU Time
#
# PC Addr. Name Excl. Excl. CPU Excl. Excl. Excl. Excl.
# Total Cycles Instructions Last-Level IPC CPI
# CPU sec. sec. Executed Cache Misses
# 1:0x00000000 <Total> 3.713 4.256 15396819712 27727992 1.577 0.634
# 2:0x000021ae mxv_core 3.532 4.116 14500538992 27527781 1.536 0.651
# 2:0x00001f7b init_data 0.070 0.084 64020034 200211 0.333 3.000
#------------------------------------------------------------------------------
sub process_function_overview
{
my $subr_name = get_my_name ();
my ($metric_ref, $exp_type_ref, $summary_metrics_ref, $number_of_metrics_ref,
$function_info_ref, $function_view_structure_ref, $overview_file_ref) = @_;
my $metric = ${ $metric_ref };
my $exp_type = ${ $exp_type_ref };
my $summary_metrics = ${ $summary_metrics_ref };
my $number_of_metrics = ${ $number_of_metrics_ref };
my @function_info = @{ $function_info_ref };
my %function_view_structure = %{ $function_view_structure_ref };
my $overview_file = ${ $overview_file_ref };
my $all_metrics;
my $decimal_separator = $g_locale_settings{"decimal_separator"};
my $length_of_block;
my $elements_in_name;
my $full_hex_address;
my $header_line;
my $hex_address;
my $html_line;
my $input_line;
my $name_regex;
my $no_of_fields;
my $metrics_length;
my $missing_digits;
my $remaining_part_header;
my $routine;
my $routine_length;
my $scan_header = $FALSE;
my $scan_function_data = $FALSE;
my $string_length;
my $total_header_lines;
my @address_field = ();
my @fields = ();
my @function_data = ();
my @function_names = ();
my @function_view_array = ();
my @function_view_modified = ();
my @header_lines = ();
my @metrics_part = ();
my @metric_values = ();
#------------------------------------------------------------------------------
# The regex section.
#------------------------------------------------------------------------------
my $header_name_regex = '(.*\.)(\s+)(Name)\s+(.*)';
my $total_marker_regex = '\s*(\d+:0x[a-fA-F0-9]+)\s+(<Total>)\s+(.*)';
my $empty_line_regex = '^\s*$';
my $catch_all_regex = '\s*(.*)';
my $get_hex_address_regex = '(\d+):0x(\S+)';
my $get_addr_offset_regex = '^@\d+:';
my $zero_dot_at_end_regex = '[\w0-9' . $decimal_separator . ']*(0' . $decimal_separator . '$)';
my $backward_slash_regex = '\/';
#------------------------------------------------------------------------------
if (is_file_empty ($overview_file))
{
gp_message ("error", $subr_name, "assertion error: file $overview_file is empty");
}
open (FUNC_OVERVIEW, "<", $overview_file)
or die ("$subr_name - unable to open file $overview_file for reading '$!'");
gp_message ("debug", $subr_name, "opened file $overview_file for reading");
gp_message ("debug", $subr_name, "processing file for exp_type = $exp_type");
gp_message ("debugM", $subr_name, "header_name_regex = $header_name_regex");
gp_message ("debugM", $subr_name, "total_marker_regex = $total_marker_regex");
gp_message ("debugM", $subr_name, "empty_line_regex = $empty_line_regex");
gp_message ("debugM", $subr_name, "catch_all_regex = $catch_all_regex");
gp_message ("debugM", $subr_name, "get_hex_address_regex = $get_hex_address_regex");
gp_message ("debugM", $subr_name, "get_addr_offset_regex = $get_addr_offset_regex");
gp_message ("debugM", $subr_name, "zero_dot_at_end_regex = $zero_dot_at_end_regex");
gp_message ("debugM", $subr_name, "backward_slash_regex = $backward_slash_regex");
#------------------------------------------------------------------------------
# Read the input file into memory.
#------------------------------------------------------------------------------
chomp (@function_data = <FUNC_OVERVIEW>);
gp_message ("debug", $subr_name, "read all of file $overview_file into memory");
#-------------------------------------------------------------------------------
# Parse the function view info and store the data.
#-------------------------------------------------------------------------------
my $max_header_length = 0;
my $max_metrics_length = 0;
#------------------------------------------------------------------------------
# Loop over all the lines. Extract the header, metric values, function names,
# and the addresses.
#
# This is also where the maximum lengths for the header and metric lines are
# computed. This is used to get the correct alignment in the HTML output.
#------------------------------------------------------------------------------
for (my $line = 0; $line <= $#function_data; $line++)
{
$input_line = $function_data[$line];
gp_message ("debugXL", $subr_name, "input_line = $input_line");
#------------------------------------------------------------------------------
# The table header is assumed to start at the line that has "Name" in it.
# The header ends when we see the function name "<Total>".
#------------------------------------------------------------------------------
if ($input_line =~ /$header_name_regex/)
{
$scan_header = $TRUE;
}
elsif ($input_line =~ /$total_marker_regex/)
{
$scan_header = $FALSE;
$scan_function_data = $TRUE;
}
if ($scan_header)
{
#------------------------------------------------------------------------------
# This group is only defined for the first line of the header and $4 contains
# the remaining part of the line after "Name", without the leading spaces.
#------------------------------------------------------------------------------
if (defined ($4))
{
$remaining_part_header = $4;
my $msg = "remaining_part_header = $remaining_part_header";
gp_message ("debugXL", $subr_name, $msg);
#------------------------------------------------------------------------------
# Determine the maximum length of the header. This needs to be done before
# the HTML controls are added.
#------------------------------------------------------------------------------
my $header_length = length ($remaining_part_header);
$max_header_length = max ($max_header_length, $header_length);
#------------------------------------------------------------------------------
# TBD Should change this and not yet include html in header_lines
#------------------------------------------------------------------------------
$html_line = "<b>" . $remaining_part_header . "</b>";
push (@header_lines, $html_line);
gp_message ("debugXL", $subr_name, "max_header_length = $max_header_length");
gp_message ("debugXL", $subr_name, "html_line = $html_line");
}
#------------------------------------------------------------------------------
# Captures the subsequent header lines. Assume they exist.
#------------------------------------------------------------------------------
elsif ($input_line =~ /$catch_all_regex/)
{
$header_line = $1;
gp_message ("debugXL", $subr_name, "header_line = $header_line");
my $header_length = length ($header_line);
$max_header_length = max ($max_header_length, $header_length);
#------------------------------------------------------------------------------
# TBD Should change this and not yet include html in header_lines
#------------------------------------------------------------------------------
$html_line = "<b>" . $header_line . "</b>";
push (@header_lines, $html_line);
gp_message ("debugXL", $subr_name, "max_header_length = $max_header_length");
gp_message ("debugXL", $subr_name, "html_line = $html_line");
}
}
#------------------------------------------------------------------------------
# This is a line with function data.
#------------------------------------------------------------------------------
if ($scan_function_data and (not ($input_line =~ /$empty_line_regex/)))
{
@fields = split (" ", $input_line);
$no_of_fields = $#fields + 1;
$elements_in_name = $no_of_fields - $number_of_metrics - 1;
gp_message ("debugXL", $subr_name, "no_of_fields = $no_of_fields elements_in_name = $elements_in_name");
#------------------------------------------------------------------------------
# TBD: Handle this better in case a function entry has more than 2 words.
# Build the regex dynamically and use eval to capture the correct group.
# CHECK CODE IN GENERATE_CALLER_CALLEE
#------------------------------------------------------------------------------
if ($elements_in_name == 1)
{
$name_regex = '\s*(\d+:0x[a-fA-F0-9]+)\s+(\S+)\s+(.*)';
}
elsif ($elements_in_name == 2)
{
$name_regex = '\s*(\d+:0x[a-fA-F0-9]+)\s+((\S+)\s+(\S+))\s+(.*)';
}
else
{
gp_message ("error", $subr_name, "assertion error: $elements_in_name elements in name exceeds limit");
}
if ($input_line =~ /$name_regex/)
{
$full_hex_address = $1;
$routine = $2;
if ($elements_in_name == 1)
{
$all_metrics = $3;
}
elsif ($elements_in_name == 2)
{
$all_metrics = $5;
}
#------------------------------------------------------------------------------
# In case the last metric is 0. only, we append 3 extra characters that
# represent zero. We cannot change the number to 0.000 though because that
# has a different interpretation than 0.
# In a later phase, the "ZZZ" symbol will be removed again, but for now it
# creates consistency in, for example, the length of the metrics part.
#------------------------------------------------------------------------------
if ($all_metrics =~ /$zero_dot_at_end_regex/)
{
if (defined ($1) )
{
#------------------------------------------------------------------------------
# Somewhat overkill, but remove the leading "\" from the decimal separator
# in the debug print since it is used for internal purposes only.
#------------------------------------------------------------------------------
my $decimal_point = $decimal_separator;
$decimal_point =~ s/$backward_slash_regex//;
my $txt = "all_metrics = $all_metrics ended with 0";
$txt .= "$decimal_point ($decimal_separator)";
gp_message ("debugXL", $subr_name, $txt);
$all_metrics .= "ZZZ";
}
}
$metrics_length = length ($all_metrics);
$max_metrics_length = max ($max_metrics_length, $metrics_length);
gp_message ("debugXL", $subr_name, "$routine all_metrics = $all_metrics metrics_length = $metrics_length");
if ($full_hex_address =~ /$get_hex_address_regex/)
{
$hex_address = "0x" . $2;
}
push (@address_field, $hex_address);
push (@metric_values, $all_metrics);
#------------------------------------------------------------------------------
# Record the function name "as is". Below we figure out what the final name
# should be in case there are multiple occurrences of the same name.
#
# The reason to decouple this is to avoid the code gets too complex here.
#------------------------------------------------------------------------------
push (@function_names, $routine);
}
}
} #-- End of loop over the input lines
#------------------------------------------------------------------------------
# Store the maximum lengths for the header and metrics.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "final max_header_length = $max_header_length");
gp_message ("debugXL", $subr_name, "final max_metrics_length = $max_metrics_length");
$function_view_structure{"max header length"} = $max_header_length;
$function_view_structure{"max metrics length"} = $max_metrics_length;
#------------------------------------------------------------------------------
# Determine the final name for the functions and set up the HTML block.
#------------------------------------------------------------------------------
my @final_html_function_block = ();
my @function_index_list = ();
#------------------------------------------------------------------------------
# First, an index list is built. If we are to index the functions in order of
# appearance in the function overview from 0 to n-1, the value of the array
# for index "i" is the index into the large "function_info" structure. This
# has the final name, the html function block, etc.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
## TBD: Use get_index_function_info??!!
#------------------------------------------------------------------------------
for my $i (keys @function_names)
{
#------------------------------------------------------------------------------
# Get the function name and the address from the function overview. The
# address is used to differentiate in case a function has multiple occurences.
#------------------------------------------------------------------------------
my $routine = $function_names[$i];
my $current_address = $address_field[$i];
my $found_a_match = $FALSE;
my $final_function_name;
my $ref_index;
#------------------------------------------------------------------------------
# Check if there are duplicate entries for this function. If there are, use
# the address to find the right match in the function_info structure.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "$routine: first check for multiple occurrences");
if (exists ($g_multi_count_function{$routine}))
{
gp_message ("debugXL", $subr_name, "$routine: occurrences = $g_function_occurrences{$routine}");
for my $ref (keys @{ $g_map_function_to_index{$routine} })
{
my $ref_index = $g_map_function_to_index{$routine}[$ref];
my $addr_offset = $function_info[$ref_index]{"addressobjtext"};
#------------------------------------------------------------------------------
# The address has the following format: 6:0x0003af50, but we only need the
# part after the colon and remove the first part.
#------------------------------------------------------------------------------
$addr_offset =~ s/$get_addr_offset_regex//;
gp_message ("debugXL", $subr_name, "$routine: ref_index = $ref_index");
gp_message ("debugXL", $subr_name, "$routine: function_info[$ref_index]{'alt_name'} = $function_info[$ref_index]{'alt_name'}");
gp_message ("debugXL", $subr_name, "$routine: addr_offset = $addr_offset");
if ($addr_offset eq $current_address)
#------------------------------------------------------------------------------
# There is a match and we can store the index.
#------------------------------------------------------------------------------
{
$found_a_match = $TRUE;
push (@function_index_list, $ref_index);
last;
}
}
}
else
{
#------------------------------------------------------------------------------
# This is the easy case. There is only one index value. We do check if the
# array element that contains it, exists. If this is not the case, something
# has gone horribly wrong earlier and we need to bail out.
#------------------------------------------------------------------------------
if (defined ($g_map_function_to_index{$routine}[0]))
{
$found_a_match = $TRUE;
$ref_index = $g_map_function_to_index{$routine}[0];
push (@function_index_list, $ref_index);
my $final_function_name = $function_info[$ref_index]{"routine"};
gp_message ("debugXL", $subr_name, "pushed single occurrence: ref_index = $ref_index final_function_name = $final_function_name");
}
}
if (not $found_a_match)
#------------------------------------------------------------------------------
# This should not happen. All we can do is print an error message and stop.
#------------------------------------------------------------------------------
{
my $msg = "cannot find the index for $routine: found_a_match = ";
$msg .= ($found_a_match == $TRUE) ? "TRUE" : "FALSE";
gp_message ("assertion", $subr_name, $msg);
}
}
#------------------------------------------------------------------------------
# The loop over all function names has completed and @function_index_list
# contains the index values into @function_info for the functions.
#
# All we now need to do is to retrieve the correct field(s) from the array.
#------------------------------------------------------------------------------
for my $i (keys @function_index_list)
{
my $index_for_function = $function_index_list[$i];
push (@final_html_function_block, $function_info[$index_for_function]{"html function block"});
}
for my $i (keys @final_html_function_block)
{
my $txt = "final_html_function_block[$i] = $final_html_function_block[$i]";
gp_message ("debugXL", $subr_name, $txt);
}
#------------------------------------------------------------------------------
# Since the numbers are right aligned, we know that any difference between the
# metric line length and the maximum must be caused by the first column. All
# we need to do is to prepend spaces in case of a difference.
#
# While we have the line with the metric values, we also replace ZZZ by 3
# spaces.
#------------------------------------------------------------------------------
for my $i (keys @metric_values)
{
if (length ($metric_values[$i]) < $max_metrics_length)
{
my $pad = $max_metrics_length - length ($metric_values[$i]);
my $spaces = "";
for my $s (1 .. $pad)
{
$spaces .= " ";
}
$metric_values[$i] = $spaces . $metric_values[$i];
}
$metric_values[$i] =~ s/ZZZ/ /g;
}
#------------------------------------------------------------------------------
# Determine the column widths. The start and end index of the words in the
# input line are stored in elements 0 and 1 of @word_index_values.
#
# The assumption made is that the first digit of a metric value on the first
# line is left # aligned with the header text. These are the Total values
# and other than for some derived metrics, e.g. CPI, should be the largest.
#
# The positions of the start of the value is what we should then use for the
# word "(sort)" to start.
#
# For example:
#
# Excl. Excl. CPU Excl. Excl. Excl. Excl.
# Total Cycles Instructions Last-Level IPC CPI
# CPU sec. sec. Executed Cache Misses
# 174.664 179.250 175838403203 1166209617 0.428 2.339
#------------------------------------------------------------------------------
my $foundit_ref;
my $foundit;
my @index_values = ();
my $index_values_ref;
#------------------------------------------------------------------------------
# Search for "Excl." in the top row. The metric values are aligned with this
# word and we can use it to position "(sort)" in the last header line.
#
# In @index_values, we store the position(s) of "Excl." in the header line.
# If none can be found, an exception is raised because at least one should
# be there.
#
# TBD: Check if this can be done only once.
# ------------------------------------------------------------------------------
my $target_keyword = "Excl.";
($foundit_ref, $index_values_ref) = find_keyword_in_string (
\$remaining_part_header,
\$target_keyword);
$foundit = ${ $foundit_ref };
@index_values = @{ $index_values_ref };
if ($foundit)
{
for my $i (keys @index_values)
{
my $txt = "index_values[$i] = $index_values[$i]";
gp_message ("debugXL", $subr_name, $txt);
}
}
else
{
my $msg = "keyword $target_keyword not found in $remaining_part_header";
gp_message ("assertion", $subr_name, $msg);
}
# ------------------------------------------------------------------------------
# Compute the number of spaces we need to add between the "(sort)" strings.
#
# For example:
#
# 01234567890123456789
#
# Excl. Excl.
# (sort) (sort)
# xxxxxxxx
#
# The number of spaces required is 14 - 6 = 8.
#
# The number of spaces to be added is stored in @padding_values. These are
# the spaces to be added before the occurrence of "(sort)". This is why the
# first padding value is 0.
# ------------------------------------------------------------------------------
# ------------------------------------------------------------------------------
# TBD: This needs to be done only once.
# ------------------------------------------------------------------------------
my @padding_values = ();
my $P_previous = 0;
for my $i (keys @index_values)
{
my $L = $index_values[$i];
my $P = $L + length ("(sort)");
my $pad_spaces = $L - $P_previous;
push (@padding_values, $pad_spaces);
$P_previous = $P;
}
for my $i (keys @padding_values)
{
my $txt = "padding_values[$i] = $padding_values[$i]";
gp_message ("debugXL", $subr_name, $txt);
}
#------------------------------------------------------------------------------
# Build up the sort line. Mark the current metric and make sure the line is
# aligned with the header.
#------------------------------------------------------------------------------
my $sort_string = "(sort)";
my $length_sort_string = length ($sort_string);
my $sort_line = "";
my @active_metrics = split (":", $summary_metrics);
for my $i (0 .. $number_of_metrics-1)
{
my $pad = $padding_values[$i];
my $metric_value = $active_metrics[$i];
my $spaces = "";
for my $s (1 .. $pad)
{
$spaces .= " ";
}
gp_message ("debugXL", $subr_name, "i = $i metric_value = $metric_value pad = $pad");
if ($metric_value eq $exp_type)
#------------------------------------------------------------------------------
# The current metric should have a different background color.
#------------------------------------------------------------------------------
{
$sort_string = "<a href=\'" . $g_html_base_file_name{"function_view"} .
"." . $metric_value . ".html' style='background-color:" .
$g_html_color_scheme{"background_selected_sort"} .
"\'><b>(sort)</b></a>";
}
elsif (($exp_type eq "functions") and ($metric_value eq $g_first_metric))
#------------------------------------------------------------------------------
# Set the background color for the sort metric in the main function overview.
#------------------------------------------------------------------------------
{
$sort_string = "<a href=\'" . $g_html_base_file_name{"function_view"} .
"." . $metric_value . ".html' style='background-color:" .
$g_html_color_scheme{"background_selected_sort"} .
"'><b>(sort)</b></a>";
}
else
#------------------------------------------------------------------------------
# Do not set a specific background for all other metrics.
#------------------------------------------------------------------------------
{
$sort_string = "<a href=\'" . $g_html_base_file_name{"function_view"} .
"." . $metric_value . ".html'>(sort)</a>";
}
#------------------------------------------------------------------------------
# Prepend the spaces to ensure correct alignment with the rest of the header.
#------------------------------------------------------------------------------
$sort_line .= $spaces . $sort_string;
}
push (@header_lines, $sort_line);
#------------------------------------------------------------------------------
# Print the final results for the header and metrics.
#------------------------------------------------------------------------------
for my $i (keys @header_lines)
{
gp_message ("debugXL", $subr_name, "header_lines[$i] = $header_lines[$i]");
}
for my $i (keys @metric_values)
{
gp_message ("debugXL", $subr_name, "metric_values[$i] = $metric_values[$i]");
}
#------------------------------------------------------------------------------
# Construct the lines for the function overview.
#
# TBD: We could eliminate two structures here because metric_values and
# final_html_function_block are only copied and the result stored.
#------------------------------------------------------------------------------
for my $i (keys @function_names)
{
push (@metrics_part, $metric_values[$i]);
push (@function_view_array, $final_html_function_block[$i]);
}
for my $i (0 .. $#function_view_array)
{
my $msg = "function_view_array[$i] = $function_view_array[$i]";
gp_message ("debugXL", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Element "function table" contains the array with all the function view data.
#------------------------------------------------------------------------------
$function_view_structure{"header"} = [@header_lines];
$function_view_structure{"metrics part"} = [@metrics_part];
$function_view_structure{"function table"} = [@function_view_array];
return (\%function_view_structure);
} #-- End of subroutine process_function_overview
#------------------------------------------------------------------------------
# TBD
#------------------------------------------------------------------------------
sub process_metrics
{
my $subr_name = get_my_name ();
my ($input_string, $sort_fields_ref, $metric_description_ref, $ignored_metrics_ref) = @_;
my @sort_fields = @{ $sort_fields_ref };
my %metric_description = %{ $metric_description_ref };
my %ignored_metrics = %{ $ignored_metrics_ref };
my $outputdir = append_forward_slash ($input_string);
my $LANG = $g_locale_settings{"LANG"};
my $max_len = 0;
my $metric_comment;
my ($imetricn,$outfile);
my ($html_metrics_record,$imetric,$metric);
$html_metrics_record =
"<!doctype html public \"-//w3c//dtd html 3.2//EN\">\n<html lang=\"$LANG\">\n<head>\n" .
"<meta http-equiv=\"content-type\" content=\"text/html; charset=iso-8859-1\">\n" .
"<title>Function Metrics</title></head><body lang=\"$LANG\" bgcolor=".$g_html_color_scheme{"background_color_page"}."<pre>\n";
$outfile = $outputdir . "metrics.html";
open (METRICSOUT, ">", $outfile)
or die ("$subr_name - unable to open file $outfile for writing - '$!'");
gp_message ("debug", $subr_name, "opened file $outfile for writing");
for $metric (@sort_fields)
{
$max_len = max ($max_len, length ($metric));
gp_message ("debug", $subr_name, "sort_fields: metric = $metric max_len = $max_len");
}
# TBD: Check this
# for $imetric (@IMETRICS)
for $imetric (keys %ignored_metrics)
{
$max_len = max ($max_len, length ($imetric));
gp_message ("debug", $subr_name, "ignored_metrics imetric = $imetric max_len = $max_len");
}
$max_len++;
gp_message ("debug", $subr_name, "max_len = $max_len");
$html_metrics_record .= "<p style=\"font-size:14px;color:red\"> Metrics used (".($#sort_fields + 1).")\n</p><p style=\"font-size:14px\">";
for $metric (@sort_fields)
{
my $description = ${ retrieve_metric_description (\$metric, \%metric_description) };
gp_message ("debug", $subr_name, "handling metric metric = $metric->$description");
$html_metrics_record .= " $metric".(' ' x ($max_len - length ($metric)))."$description\n";
}
# $imetricn = scalar (keys %IMETRICS);
$imetricn = scalar (keys %ignored_metrics);
if ($imetricn)
{
$html_metrics_record .= "</p><p style=\"font-size:14px;color:red\"> Metrics ignored ($imetricn)\n</p><p style=\"font-size:14px\">";
# for $imetric (sort keys %IMETRICS){
for $imetric (sort keys %ignored_metrics)
{
$metric_comment = "(inclusive, exclusive, and percentages)";
$html_metrics_record .= " $imetric".(' ' x ($max_len - length ($imetric))).$metric_comment."\n";
gp_message ("debug", $subr_name, "handling metric imetric = $imetric $metric_comment");
}
}
print METRICSOUT $html_metrics_record;
print METRICSOUT $g_html_credits_line;
close (METRICSOUT);
gp_message ("debug", $subr_name, "closed metrics file $outfile");
return (0);
} #-- End of subroutine process_metrics
#-------------------------------------------------------------------------------
# TBD
#-------------------------------------------------------------------------------
sub process_metrics_data
{
my $subr_name = get_my_name ();
my ($outfile1, $outfile2, $ignored_metrics_ref) = @_;
my %ignored_metrics = %{ $ignored_metrics_ref };
my %metric_value = ();
my %metric_description = ();
my %metric_found = ();
my $user_metrics;
my $system_metrics;
my $wall_metrics;
my $metric_spec;
my $metric_flavor;
my $metric_visibility;
my $metric_name;
my $metric_text;
my $metricdata;
my $metric_line;
my $summary_metrics;
my $detail_metrics;
my $detail_metrics_system;
my $call_metrics;
if ($g_user_settings{"default_metrics"}{"current_value"} eq "off")
{
gp_message ("debug", $subr_name, "g_user_settings{default_metrics}{current_value} = " . $g_user_settings{"default_metrics"}{"current_value"});
# get metrics
$summary_metrics='';
$detail_metrics='';
$detail_metrics_system='';
$call_metrics = '';
$user_metrics=0;
$system_metrics=0;
$wall_metrics=0;
my ($last_metric,$metric,$value,$i,$r);
open (METRICTOTALS, "<", $outfile2)
or die ("Unable to open metric value data file $outfile2 for reading - '$!'");
gp_message ("debug", $subr_name, "opened $outfile2 to parse metric value data");
#------------------------------------------------------------------------------
# Below an example of the file that has just been opened. The lines I marked
# with a * has been wrapped by my for readability. This is not the case in the
# file, but makes for a really long line.
#
# Also, the data comes from one PC experiment and two HWC experiments.
#------------------------------------------------------------------------------
# <Total>
# Exclusive Total CPU Time: 32.473 (100.0%)
# Inclusive Total CPU Time: 32.473 (100.0%)
# Exclusive CPU Cycles: 23.586 (100.0%)
# " count: 47054706905
# Inclusive CPU Cycles: 23.586 (100.0%)
# " count: 47054706905
# Exclusive Instructions Executed: 54417033412 (100.0%)
# Inclusive Instructions Executed: 54417033412 (100.0%)
# Exclusive Last-Level Cache Misses: 252730685 (100.0%)
# Inclusive Last-Level Cache Misses: 252730685 (100.0%)
# * Exclusive Instructions Per Cycle: Inclusive Instructions Per Cycle:
# * Exclusive Cycles Per Instruction:
# * Inclusive Cycles Per Instruction:
# * Size: 0
# PC Address: 1:0x00000000
# Source File: (unknown)
# Object File: (unknown)
# Load Object: <Total>
# Mangled Name:
# Aliases:
#------------------------------------------------------------------------------
while (<METRICTOTALS>)
{
$metricdata = $_; chomp ($metricdata);
gp_message ("debug", $subr_name, "file metrictotals: $metricdata");
#------------------------------------------------------------------------------
# Ignoring whitespace, search for any line with a ":" in it, followed by
# a number with or without a dot. So, an integer or floating-point number.
#------------------------------------------------------------------------------
if ($metricdata =~ /\s*(.*):\s+(\d+\.*\d*)/)
{
gp_message ("debug", $subr_name, " candidate => $metricdata");
$metric = $1;
$value = $2;
if ( ($metric eq "PC Address") or ($metric eq "Size"))
{
gp_message ("debug", $subr_name, " skipped => $metric $value");
next;
}
gp_message ("debug", $subr_name, " proceed => $metric $value");
if ($metric eq '" count')
#------------------------------------------------------------------------------
# Hardware counter experiments have this info. Note that this line is not the
# first one to be encountered, so $last_metric has been defined already.
#------------------------------------------------------------------------------
{
$metric = $last_metric." Count"; # we presume .......
gp_message ("debug", $subr_name, "last_metric = $last_metric metric = $metric");
}
$i=index ($metricdata,":");
$r=rindex ($metricdata,":");
gp_message ("debug", $subr_name, "metricdata = $metricdata => i = $i r = $r");
if ($i == $r)
{
if ($value > 0) # Not interested in metrics contributing zero
{
$metric_value{$metric} = $value;
gp_message ("debug", $subr_name, "archived metric_value{$metric} = $metric_value{$metric}");
# e.g. $metric_value{Exclusive Total Thread Time} = 302.562
# e.g. $metric_value{Exclusive Instructions Executed} = 2415126222484
}
}
else
#------------------------------------------------------------------------------
# TBD This code deals with an old bug and may be removed.
#------------------------------------------------------------------------------
{ # er_print bug - e.g.
# Exclusive Instructions Per Cycle: Inclusive Instructions Per Cycle: Exclusive Cycles Per Instruction: Inclusive Cycles Per Instruction: Exclusive OpenMP Work Time: 162.284 (100.0%)
gp_message ("debug", $subr_name, "metrictotals odd line:->$metricdata<-");
$r=rindex ($metricdata,":",$r-1);
if ($r == -1)
{ # ignore
gp_message ("debug", $subr_name, "metrictotals odd line ignored<-");
$last_metric = "foo";
next;
}
my ($good_part)=substr ($metricdata,$r+1);
if ($good_part =~ /\s*(.*):\s+(\d+\.*\d*)/)
{
$metric = $1;
$value = $2;
if ($value>0) # Not interested in metrics contributing zero
{
$metric_value{$metric} = $value;
my $msg = "metrictotals odd line rescued '$metric'=$value";
gp_message ("debug", $subr_name, $msg);
}
}
}
#------------------------------------------------------------------------------
# Preserve the current metric.
#------------------------------------------------------------------------------
$last_metric = $metric;
}
}
close (METRICTOTALS);
}
if (scalar (keys %metric_value) == 0)
#------------------------------------------------------------------------------
# If we have no metrics > 0, fudge a "Exclusive Total CPU Time", else we
# blow up later.
#
# TBD: See if this can be handled differently.
#------------------------------------------------------------------------------
{
$metric_value{"Exclusive Total CPU Time"} = 0;
gp_message ("debug", $subr_name, "no metrics found and a stub was added");
}
for my $metric (sort keys %metric_value)
{
gp_message ("debug", $subr_name, "Stored metric_value{$metric} = $metric_value{$metric}");
}
gp_message ("debug", $subr_name, "proceed to process file $outfile1");
#------------------------------------------------------------------------------
# Open and process the metrics file.
#------------------------------------------------------------------------------
open (METRICS, "<", $outfile1)
or die ("Unable to open metrics file $outfile1: '$!'");
gp_message ("debug", $subr_name, "opened file $outfile1 for reading");
#------------------------------------------------------------------------------
# Parse the file. This is a typical example:
#
# Exp Sel Total
# === === =====
# 1 all 2
# 2 all 1
# 3 all 2
# Current metrics: e.totalcpu:i.totalcpu:e.cycles:e+insts:e+llm:name
# Current Sort Metric: Exclusive Total CPU Time ( e.totalcpu )
# Available metrics:
# Exclusive Total CPU Time: e.%totalcpu
# Inclusive Total CPU Time: i.%totalcpu
# Exclusive CPU Cycles: e.+%cycles
# Inclusive CPU Cycles: i.+%cycles
# Exclusive Instructions Executed: e+%insts
# Inclusive Instructions Executed: i+%insts
# Exclusive Last-Level Cache Misses: e+%llm
# Inclusive Last-Level Cache Misses: i+%llm
# Exclusive Instructions Per Cycle: e+IPC
# Inclusive Instructions Per Cycle: i+IPC
# Exclusive Cycles Per Instruction: e+CPI
# Inclusive Cycles Per Instruction: i+CPI
# Size: size
# PC Address: address
# Name: name
#------------------------------------------------------------------------------
while (<METRICS>)
{
$metric_line = $_;
chomp ($metric_line);
gp_message ("debug", $subr_name, "processing line $metric_line");
#------------------------------------------------------------------------------
# The original regex has bugs because the line should not be allowed to start
# with a ":". So this is wrong:
# if (($metric =~ /\s*(.*):\s+(\S)((\.\S+)|(\+\S+))/) and !($metric =~/^Current/))
#
# This is better:
# if (($metric =~ /\s*(.+):\s+(\S)((\.\S+)|(\+\S+))/) and !($metric =~/^Current/))
#
# In general, this regex has some potential issues and has been replaced by
# the one shown below.
#
# We select a line that does not start with "Current" and aside from whitespace
# starts with anything (although it should be a string with words only),
# followed by whitespace and either an "e" or "i". This is called the "flavor"
# and is followed by a visibility marker (.,+,%, or !) and a metric name.
#------------------------------------------------------------------------------
# Ruud if (($metric =~ /\s*(.*):\s+(\S)((\.\S+)|(\+\S+))/) && !($metric =~/^Current/)){
($metric_spec, $metric_flavor, $metric_visibility, $metric_name, $metric_text) =
extract_metric_specifics ($metric_line);
# if (($metric_line =~ /\s*(.+):\s+([ei])([\.\+%]+)(\S*)/) and !($metric_line =~/^Current/))
if ($metric_spec eq "skipped")
{
gp_message ("debug", $subr_name, "skipped line: $metric_line");
}
else
{
gp_message ("debug", $subr_name, "line of interest: $metric_line");
$metric_found{$metric_spec} = 1;
if ($g_user_settings{"ignore_metrics"}{"defined"})
{
gp_message ("debug", $subr_name, "check for $metric_spec");
if (exists ($ignored_metrics{$metric_name}))
{
gp_message ("debug", $subr_name, "user asked to ignore metric $metric_name");
next;
}
}
#------------------------------------------------------------------------------
# This metric is not on the ignored list and qualifies, so store it.
#------------------------------------------------------------------------------
$metric_description{$metric_spec} = $metric_text;
# TBD: add for other visibilities too, like +
gp_message ("debug", $subr_name, "stored $metric_description{$metric_spec} = $metric_description{$metric_spec}");
if ($metric_flavor ne "e")
{
gp_message ("debug", $subr_name, "metric $metric_spec is ignored");
}
else
#------------------------------------------------------------------------------
# Only the exclusive metrics are shown.
#------------------------------------------------------------------------------
{
gp_message ("debug", $subr_name, "metric $metric_spec ($metric_text) is considered");
if ($metric_spec =~ /user/)
{
$user_metrics = $TRUE;
gp_message ("debug", $subr_name, "m: user_metrics set to TRUE");
}
elsif ($metric_spec =~ /system/)
{
$system_metrics = $TRUE;
gp_message ("debug", $subr_name, "m: system_metrics set to TRUE");
}
elsif ($metric_spec =~ /wall/)
{
$wall_metrics = $TRUE;
gp_message ("debug", $subr_name, "m: wall_metrics set to TRUE");
}
#------------------------------------------------------------------------------
# TBD I don't see why these need to be skipped. Also, should be totalcpu.
#------------------------------------------------------------------------------
elsif (($metric_spec =~ /^e\.total$/) or ($metric_spec =~/^e\.total_cpu$/))
{
# skip total thread time and total CPU time
gp_message ("debug", $subr_name, "m: skip above");
}
elsif (defined ($metric_value{$metric_text}))
{
gp_message ("debug", $subr_name, "Total attributed to this metric metric_value{$metric_text} = $metric_value{$metric_text}");
if ($summary_metrics ne '')
{
$summary_metrics = $summary_metrics.':'.$metric_spec;
gp_message ("debug", $subr_name, "updated summary_metrics = $summary_metrics - 1");
if ($metric_spec !~ /\.wait$|\.ulock$|\.text$|\.data$|\.owait$|total$|mpiwork$|mpiwait$|ompwork$|ompwait$/)
{
$detail_metrics = $detail_metrics.':'.$metric_spec;
gp_message ("debug", $subr_name, "updated m:detail_metrics=$detail_metrics - 1");
$detail_metrics_system = $detail_metrics_system.':'.$metric_spec;
gp_message ("debug", $subr_name, "updated m:detail_metrics_system=$detail_metrics_system - 1");
}
else
{
gp_message ("debug", $subr_name, "m: no want above metric for detail_metrics or detail_metrics_system");
}
}
else
{
$summary_metrics = $metric_spec;
gp_message ("debug", $subr_name, "initialized summary_metrics = $summary_metrics - 2");
if ($metric_spec !~ /\.wait$|\.ulock$|\.text$|\.data$|\.owait$|total$|mpiwork$|mpiwait$|ompwork$|ompwait$/)
{
$detail_metrics = $metric_spec;
gp_message ("debug", $subr_name, "m:detail_metrics=$detail_metrics - 2");
$detail_metrics_system = $metric_spec;
gp_message ("debug", $subr_name, "m:detail_metrics_system=$detail_metrics_system - 2");
}
else
{
gp_message ("debug", $subr_name, "m: no want above metric for detail_metrics or detail_metrics_system");
}
}
gp_message ("debug", $subr_name, " metric $metric_spec added");
}
else
{
gp_message ("debug", $subr_name, "m: no want above metric was a 0 total");
}
}
}
}
close METRICS;
if ($wall_metrics > 0)
{
gp_message ("debug", $subr_name,"m:wall_metrics set adding to summary_metrics");
$summary_metrics = "e.wall:".$summary_metrics;
gp_message ("debug", $subr_name,"m:summary_metrics=$summary_metrics - 3");
}
if ($system_metrics > 0)
{
gp_message ("debug", $subr_name,"m:system_metrics set adding to summary_metrics,call_metrics and detail_metrics_system");
$summary_metrics = "e.system:".$summary_metrics;
$call_metrics = "i.system:".$call_metrics;
$detail_metrics_system ='e.system:'.$detail_metrics_system;
gp_message ("debug", $subr_name,"m:summary_metrics=$summary_metrics - 4");
gp_message ("debug", $subr_name,"m:call_metrics=$call_metrics");
gp_message ("debug", $subr_name,"m:detail_metrics_system=$detail_metrics_system - 3");
}
#------------------------------------------------------------------------------
# TBD: e.user and i.user do not always exist!!
#------------------------------------------------------------------------------
if ($user_metrics > 0)
{
gp_message ("debug", $subr_name,"m:user_metrics set adding to summary_metrics,detail_metrics,detail_metrics_system and call_metrics");
# Ruud if (!exists ($IMETRICS{"i.user"})){
if ($g_user_settings{"ignore_metrics"}{"defined"} and exists ($ignored_metrics{"user"}))
{
$summary_metrics = "e.user:".$summary_metrics;
}
else
{
$summary_metrics = "e.user:i.user:".$summary_metrics;
}
$detail_metrics = "e.user:".$detail_metrics;
$detail_metrics_system = "e.user:".$detail_metrics_system;
gp_message ("debug", $subr_name,"m:summary_metrics=$summary_metrics - 5");
gp_message ("debug", $subr_name,"m:detail_metrics=$detail_metrics - 3");
gp_message ("debug", $subr_name,"m:detail_metrics_system=$detail_metrics_system - 4");
if ($g_user_settings{"ignore_metrics"}{"defined"} and exists ($ignored_metrics{"user"}))
{
$call_metrics = "a.user:".$call_metrics;
}
else
{
$call_metrics = "a.user:i.user:".$call_metrics;
}
gp_message ("debug", $subr_name,"m:call_metrics=$call_metrics - 2");
}
if ($call_metrics eq "")
{
$call_metrics = $detail_metrics;
gp_message ("debug", $subr_name,"m:call_metrics is not set, setting it to detail_metrics ");
gp_message ("debug", $subr_name,"m:call_metrics=$call_metrics - 3");
}
for my $metric (sort keys %ignored_metrics)
{
if ($ignored_metrics{$metric})
{
gp_message ("debug", $subr_name, "active metric, but ignored: $metric");
}
}
return (\%metric_value, \%metric_description, \%metric_found, $user_metrics, $system_metrics, $wall_metrics,
$summary_metrics, $detail_metrics, $detail_metrics_system, $call_metrics);
} #-- End of subroutine process_metrics_data
#------------------------------------------------------------------------------
# Process source lines that are not part of the target function.
#
# Generate straightforward HTML, but define an anchor based on the source line
# number in the list.
#------------------------------------------------------------------------------
sub process_non_target_source
{
my $subr_name = get_my_name ();
my ($start_scan, $end_scan,
$src_times_regex, $function_regex, $number_of_metrics,
$file_contents_ref, $modified_html_ref) = @_;
my @file_contents = @{ $file_contents_ref };
my @modified_html = @{ $modified_html_ref };
my $colour_code_line = $FALSE;
my $input_line;
my $line_id;
my $modified_line;
#------------------------------------------------------------------------------
# Main loop to parse all of the source code and take action as needed.
#------------------------------------------------------------------------------
for (my $line_no=$start_scan; $line_no <= $end_scan; $line_no++)
{
$input_line = $file_contents[$line_no];
#------------------------------------------------------------------------------
# Generate straightforward HTML, but define an anchor based on the source line
# number in the list.
#------------------------------------------------------------------------------
$line_id = extract_source_line_number ($src_times_regex,
$function_regex,
$number_of_metrics,
$input_line);
if ($input_line =~ /$function_regex/)
{
$colour_code_line = $TRUE;
}
#------------------------------------------------------------------------------
# We need to replace the "<" symbol in the code by "<".
#------------------------------------------------------------------------------
$input_line =~ s/$g_less_than_regex/$g_html_less_than_regex/g;
#------------------------------------------------------------------------------
# Add an id.
#------------------------------------------------------------------------------
$modified_line = "<a id=\"line_" . $line_id . "\"></a>";
my $coloured_line;
if ($colour_code_line)
{
my $boldface = $TRUE;
$coloured_line = color_string (
$input_line,
$boldface,
$g_html_color_scheme{"non_target_function_name"});
$colour_code_line = $FALSE;
$modified_line .= "$coloured_line";
}
else
{
$modified_line .= "$input_line";
}
gp_message ("debugXL", $subr_name, " $line_no : modified_line = $modified_line");
push (@modified_html, $modified_line);
}
return (\@modified_html);
} #-- End of subroutine process_non_target_source
#------------------------------------------------------------------------------
# This function scans the configuration file and adapts the internal settings
# accordingly.
#
# Errors are stored during the parsing and processing phase. They are printed
# at the end and sorted by line number.
#------------------------------------------------------------------------------
sub process_rc_file
{
my $subr_name = get_my_name ();
my ($rc_file_name, $rc_file_paths_ref) = @_;
#------------------------------------------------------------------------------
# Local structures.
#------------------------------------------------------------------------------
my %rc_settings_user = (); #-- Store the values extracted from the config file
my %error_and_warning_msgs = ();
my @rc_file_paths = ();
my @split_line;
my @my_fields;
my $message;
my $first_part;
my $line;
my $line_number;
my $number_of_fields;
my $number_of_paths;
my $parse_errors; #-- Count the number of errors
my $parse_warnings; #-- Count the number of errors
my $rc_config_file;
my $rc_file_found;
my $rc_keyword;
my $rc_value;
@rc_file_paths = @{$rc_file_paths_ref};
$number_of_paths = scalar (@rc_file_paths);
if ($number_of_paths == 0)
#------------------------------------------------------------------------------
# This should not happen, but is a good safety net to add.
#------------------------------------------------------------------------------
{
my $msg = "search path list is empty";
gp_message ("assertion", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Check for the presence of a configuration file.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "number_of_paths = $number_of_paths rc_file_paths = @rc_file_paths");
$rc_file_found = $FALSE;
for my $path_name (@rc_file_paths)
{
$rc_config_file = $path_name . "/" . $rc_file_name;
gp_message ("debug", $subr_name, "looking for configuration file $rc_config_file");
if (-f $rc_config_file)
{
gp_message ("debug", $subr_name, "found configuration file $rc_config_file");
$rc_file_found = $TRUE;
last;
}
}
if (not $rc_file_found)
#------------------------------------------------------------------------------
# There is no configuration file and we can skip this subroutine.
#------------------------------------------------------------------------------
{
gp_message ("verbose", $subr_name, "Configuration file $rc_file_name not found");
return (0);
}
else
{
open (GP_DISPLAY_HTML_RC, "<", "$rc_config_file")
or die ("$subr_name - unable to open file $rc_config_file for reading: $!");
#------------------------------------------------------------------------------
# The configuration file has been opened for reading.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "file $rc_config_file has been opened for reading");
}
gp_message ("verbose", $subr_name, "Found configuration file $rc_config_file");
gp_message ("debug", $subr_name, "processing configuration file $rc_config_file");
#------------------------------------------------------------------------------
# Here we scan the configuration file for the settings.
#
# A setting consists of a keyword, optionally followed by a value. It is
# optional because not all keywords may require a value.
#
# At the end of this block, all keyword/value pairs are stored in a hash.
#
# We do not yet check for the validity of these pairs. This is done next.
#
# The original code had this all integrated, but it made the code very
# complex with deeply nested if-statements. The flow was also hard to follow.
#------------------------------------------------------------------------------
$parse_errors = 0;
$parse_warnings = 0;
$line_number = 0;
while (my $line = <GP_DISPLAY_HTML_RC>)
{
chomp ($line);
$line_number++;
gp_message ("debug", $subr_name, "read input line = $line");
#------------------------------------------------------------------------------
# Ignore a line with whitespace only
#------------------------------------------------------------------------------
if ($line =~ /^\s*$/)
{
gp_message ("debug", $subr_name, "ignored a line with whitespace");
next;
}
#------------------------------------------------------------------------------
# Ignore a comment line, defined by starting with a "#", possibly prepended by
# whitespace.
#------------------------------------------------------------------------------
if ($line =~ /^\s*\#/)
{
gp_message ("debug", $subr_name, "ignored a full comment line");
next;
}
#------------------------------------------------------------------------------
# Split the input line using the "#" symbol as a separator. We have already
# handled the case of an isolated comment line, so there may only be an
# embedded comment.
#
# Regardless of this, we are only interested in the first part.
#------------------------------------------------------------------------------
@split_line = split ("#", $line);
for my $i (@split_line)
{
gp_message ("debug", $subr_name, "elements after split of line: $i");
}
$first_part = $split_line[0];
gp_message ("debug", $subr_name, "relevant part = $first_part");
if ($first_part =~ /[&\^\*\@\$]+/)
#------------------------------------------------------------------------------
# The &, ^, *, @ and $ symbols should not occur. If they do, we flag an error
# an fetch the next line.
#------------------------------------------------------------------------------
{
$parse_errors++;
$message = "non-supported character(s) (\&,\^,\*,\@,\$) found: $line";
$error_and_warning_msgs{"error"}{$line_number}{"message"} = $message;
next;
}
else
#------------------------------------------------------------------------------
# Split the first part on whitespace and verify the number of fields to be
# valid. Although we currently only have keywords with a value, a keyword
# without value is supported to.
#
# If the number of fields is valid, the keyword and value are stored. In case
# of a single field, the value is assigned a special string.
#
# Although this situation should not occur, we do abort if something unexpected
# is encountered here.
#------------------------------------------------------------------------------
{
@my_fields = split (/\s/, $split_line[0]);
$number_of_fields = scalar (@my_fields);
gp_message ("debug", $subr_name, "number of fields = $number_of_fields");
}
if ($number_of_fields ge 3)
#------------------------------------------------------------------------------
# This is not supported.
#------------------------------------------------------------------------------
{
$parse_errors++;
$message = "more than 2 fields found: $first_part";
$error_and_warning_msgs{"error"}{$line_number}{"message"} = $message;
next;
}
elsif ($number_of_fields eq 2)
{
$rc_keyword = $my_fields[0];
$rc_value = $my_fields[1];
}
elsif ($number_of_fields eq 1)
{
$rc_keyword = $my_fields[0];
$rc_value = "the_field_is_empty";
}
else
{
my $msg = "[line $line_number] $rc_config_file - number of fields = $number_of_fields";
gp_message ("assertion", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Store the keyword, value and line number.
#------------------------------------------------------------------------------
if (exists ($rc_settings_user{$rc_keyword}))
{
$parse_warnings++;
my $prev_value = $rc_settings_user{$rc_keyword}{"value"};
my $prev_line_number = $rc_settings_user{$rc_keyword}{"line_no"};
if ($rc_value ne $prev_value)
{
$message = "option $rc_keyword previously set at line $prev_line_number: new value '$rc_value' overrides '$prev_value'";
}
else
{
$message = "option $rc_keyword previously set to the same value at line $prev_line_number";
}
$error_and_warning_msgs{"warning"}{$line_number}{"message"} = $message;
}
$rc_settings_user{$rc_keyword}{"value"} = $rc_value;
$rc_settings_user{$rc_keyword}{"line_no"} = $line_number;
gp_message ("debug", $subr_name, "stored keyword = $rc_keyword");
gp_message ("debug", $subr_name, "stored value = $rc_value");
gp_message ("debug", $subr_name, "stored line number = $line_number");
}
#------------------------------------------------------------------------------
# Completed the parsing of the configuration file. It can be closed.
#------------------------------------------------------------------------------
close (GP_DISPLAY_HTML_RC);
#------------------------------------------------------------------------------
# Print the raw input as just collected from the configuration file.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "contents of %rc_settings_user:");
for my $keyword (keys %rc_settings_user)
{
my $key_value = $rc_settings_user{$keyword}{"value"};
gp_message ("debug", $subr_name, "keyword = $keyword value = $key_value");
}
for my $rc_keyword (keys %g_user_settings)
{
for my $fields (keys %{ $g_user_settings{$rc_keyword} })
{
gp_message ("debug", $subr_name, "before config file: $rc_keyword $fields = $g_user_settings{$rc_keyword}{$fields}");
}
}
#------------------------------------------------------------------------------
# We are almost done. Check for all keywords found whether they are valid.
# Also verify that the corresponding value is valid.
#
# Update the g_user_settings table if everything is okay.
#------------------------------------------------------------------------------
for my $rc_keyword (keys %rc_settings_user)
{
my $rc_value = $rc_settings_user{$rc_keyword}{"value"};
if (exists ( $g_user_settings{$rc_keyword}))
{
#------------------------------------------------------------------------------
# This is a supported keyword. There are two more things left to do:
# - Check how many values it requires (currently exactly one is supported)
# - Is the value a valid number or string?
#------------------------------------------------------------------------------
my $no_of_arguments = $g_user_settings{$rc_keyword}{"no_of_arguments"};
if ($no_of_arguments eq 1)
{
my $input_value = $rc_value;
if ($input_value ne "the_field_is_empty")
#
#------------------------------------------------------------------------------
# So far, so good. We only need to check if the value is valid for the keyword.
#------------------------------------------------------------------------------
{
my $data_type = $g_user_settings{$rc_keyword}{"data_type"};
my $valid_input = verify_if_input_is_valid ($input_value, $data_type);
#------------------------------------------------------------------------------
# Check if the value is valid.
#------------------------------------------------------------------------------
if ($valid_input)
{
$g_user_settings{$rc_keyword}{"current_value"} = $rc_value;
$g_user_settings{$rc_keyword}{"defined"} = $TRUE;
}
else
{
$parse_errors++;
$line_number = $rc_settings_user{$rc_keyword}{"line_no"};
$message = "input value '$input_value' for keyword $rc_keyword is not valid";
$error_and_warning_msgs{"error"}{$line_number}{"message"} = $message;
next;
}
}
else
#------------------------------------------------------------------------------
# This keyword requires a value, but none has been found.
#------------------------------------------------------------------------------
{
$parse_errors++;
$line_number = $rc_settings_user{$rc_keyword}{"line_no"};
$message = "missing value for keyword '$rc_keyword'";
$error_and_warning_msgs{"error"}{$line_number}{"message"} = $message;
next;
}
}
elsif ($no_of_arguments eq 0)
#------------------------------------------------------------------------------
# Currently a theoretical scenario since all commands require a value, but in
# case this is no longer true, we need to at least flag the fact the user set
# this command.
#------------------------------------------------------------------------------
{
$g_user_settings{$rc_keyword}{"defined"} = $TRUE;
}
else
#------------------------------------------------------------------------------
# The code is not prepared for the situation one command has multiple values,
# but this situation should never occur. Still it won't hurt to add a check.
#------------------------------------------------------------------------------
{
my $msg = "cannot handle $no_of_arguments in the input";
gp_message ("assertion", $subr_name, $msg);
}
}
else
#------------------------------------------------------------------------------
# A non-valid keyword is found. This is flagged as an error.
#------------------------------------------------------------------------------
{
$parse_errors++;
$line_number = $rc_settings_user{$rc_keyword}{"line_no"};
$message = "keyword $rc_keyword is not supported";
$error_and_warning_msgs{"error"}{$line_number}{"message"} = $message;
}
}
for my $rc_keyword (keys %g_user_settings)
{
for my $fields (keys %{ $g_user_settings{$rc_keyword} })
{
gp_message ("debug", $subr_name, "after config file: $rc_keyword $fields = $g_user_settings{$rc_keyword}{$fields}");
}
}
print_table_user_settings ("debug", "upon the return from $subr_name");
if ( ($parse_errors == 0) and ($parse_warnings == 0) )
{
gp_message ("verbose", $subr_name, "Successfully parsed and processed the configuration file");
}
else
{
if ($parse_errors > 0)
{
my $plural_or_single = ($parse_errors > 1) ? "errors" : "error";
$message = $g_error_keyword . "found $parse_errors fatal $plural_or_single in the configuration file:";
gp_message ("debug", $subr_name, $message);
#------------------------------------------------------------------------------
# Sort the hash keys, the line numbers, alphabetically and print the
# corresponding error messages.
#------------------------------------------------------------------------------
for my $line_no (sort {$a <=> $b} (keys %{ $error_and_warning_msgs{"error"} }))
{
$message = $g_error_keyword. "[line $line_no] in file $rc_config_file - ";
$message .= $error_and_warning_msgs{"error"}{$line_no}{"message"};
gp_message ("debug", $subr_name, $message);
}
}
if (not $g_quiet)
{
if ($parse_warnings > 0)
{
$message = $g_warn_keyword . "found $parse_warnings warnings in the configuration file:";
gp_message ("debug", $subr_name, $message);
for my $line_no (sort {$a <=> $b} (keys %{ $error_and_warning_msgs{"warning"} }))
{
$message = $g_warn_keyword . "[line $line_no] in file $rc_config_file - ";
$message .= $error_and_warning_msgs{"warning"}{$line_no}{"message"};
gp_message ("debug", $subr_name, $message);
}
}
}
}
return ($parse_errors);
} #-- End of subroutine process_rc_file
#------------------------------------------------------------------------------
# Generate the annotated html file for the source listing.
#------------------------------------------------------------------------------
sub process_source
{
my $subr_name = get_my_name ();
my ($number_of_metrics, $function_info_ref,
$outputdir, $input_filename) = @_;
my @function_info = @{ $function_info_ref };
#------------------------------------------------------------------------------
# The regex section
#------------------------------------------------------------------------------
my $end_src1_header_regex = '(^\s+)(\d+)\.\s+(.*)';
my $end_src2_header_regex = '(^\s+)(<Function: )(.*)>';
my $function_regex = '^(\s*)<Function:\s(.*)>';
my $function2_regex = '^(\s*)<Function:\s(.*)>';
my $src_regex = '(\s*)(\d+)\.(.*)';
my $txt_ext_regex = '\.txt$';
my $src_filename_id_regex = '^file\.(\d+)\.src\.txt$';
my $integer_only_regex = '\d+';
#------------------------------------------------------------------------------
# Computed dynamically below.
# TBD: Try to move this up.
#------------------------------------------------------------------------------
my $src_times_regex;
my $hot_lines_regex;
my $metric_regex;
my $metric_extra_regex;
my @components = ();
my @fields_in_line = ();
my @file_contents = ();
my @hot_source_lines = ();
my @max_metric_values = ();
my @modified_html = ();
my @transposed_hot_lines = ();
my $colour_coded_line;
my $colour_coded_line_ref;
my $line_id;
my $ignore_value;
my $func_name_in_src_file;
my $html_new_line = "<br>";
my $input_line;
my $metric_values;
my $modified_html_ref;
my $modified_line;
my $is_empty;
my $start_all_source;
my $start_target_source;
my $end_target_source;
my $output_line;
my $hot_line;
my $src_line_no;
my $src_code_line;
my $decimal_separator = $g_locale_settings{"decimal_separator"};
my $hp_value = $g_user_settings{"highlight_percentage"}{"current_value"};
my $file_title;
my $found_target;
my $html_dis_record;
my $html_end;
my $html_header;
my $html_home;
my $rounded_percentage;
my $start_tracking;
my $threshold_line;
my $base;
my $boldface;
my $msg;
my $routine;
my $LANG = $g_locale_settings{"LANG"};
my $the_title = set_title ($function_info_ref, $input_filename,
"process source");
my $outfile = $input_filename . ".html";
#------------------------------------------------------------------------------
# Remove the .txt from file.<n>.src.txt
#------------------------------------------------------------------------------
my $html_output_file = $input_filename;
$html_output_file =~ s/$txt_ext_regex/.html/;
gp_message ("debug", $subr_name, "input_filename = $input_filename");
gp_message ("debug", $subr_name, "the_title = $the_title");
$file_title = $the_title;
$html_header = ${ create_html_header (\$file_title) };
$html_home = ${ generate_home_link ("right") };
push (@modified_html, $html_header);
push (@modified_html, $html_home);
push (@modified_html, "<pre>");
#------------------------------------------------------------------------------
# Open the html file used for the output.
#------------------------------------------------------------------------------
open (NEW_HTML, ">", $html_output_file)
or die ("$subr_name - unable to open file $html_output_file for writing: '$!'");
gp_message ("debug", $subr_name , "opened file $html_output_file for writing");
$base = get_basename ($input_filename);
gp_message ("debug", $subr_name, "base = $base");
if ($base =~ /$src_filename_id_regex/)
{
my $file_id = $1;
if (defined ($function_info[$file_id]{"routine"}))
{
$routine = $function_info[$file_id]{"routine"};
gp_message ("debugXL", $subr_name, "target routine = $routine");
}
else
{
my $msg = "cannot retrieve routine name for file_id = $file_id";
gp_message ("assertion", $subr_name, $msg);
}
}
#------------------------------------------------------------------------------
# Check if the input file is empty. If so, generate a short text in the html
# file and return. Otherwise open the file and read the contents.
#------------------------------------------------------------------------------
$is_empty = is_file_empty ($input_filename);
if ($is_empty)
{
#------------------------------------------------------------------------------
# The input file is empty. Write a diagnostic message in the html file and exit.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name ,"file $input_filename is empty");
my $comment = "No source listing generated by $tool_name - " .
"file $input_filename is empty";
my $error_file = $outputdir . "gp-listings.err";
my $html_empty_file_ref = html_text_empty_file (\$comment, \$error_file);
my @html_empty_file = @{ $html_empty_file_ref };
print NEW_HTML "$_\n" for @html_empty_file;
close NEW_HTML;
return (0);
}
else
#------------------------------------------------------------------------------
# Open the input file with the source code
#------------------------------------------------------------------------------
{
open (SRC_LISTING, "<", $input_filename)
or die ("$subr_name - unable to open file $input_filename for reading: '$!'");
gp_message ("debug", $subr_name, "opened file $input_filename for reading");
}
#------------------------------------------------------------------------------
# Generate the regex for the metrics. This depends on the number of metrics.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "decimal_separator = $decimal_separator<--");
$metric_regex = '';
$metric_extra_regex = '';
for my $metric_used (1 .. $number_of_metrics)
{
$metric_regex .= '(\d+' . $decimal_separator . '*\d*)\s+';
}
$metric_extra_regex = $metric_regex . '(\d+' . $decimal_separator . ')';
$hot_lines_regex = '^(#{2})\s+';
$hot_lines_regex .= '('.$metric_regex.')';
$hot_lines_regex .= '([0-9?]+)\.\s+(.*)';
$src_times_regex = '^(#{2}|\s{2})\s+';
$src_times_regex .= '('.$metric_extra_regex.')';
$src_times_regex .= '(.*)';
gp_message ("debugXL", $subr_name, "metric_regex = $metric_regex");
gp_message ("debugXL", $subr_name, "hot_lines_regex = $hot_lines_regex");
gp_message ("debugXL", $subr_name, "src_times_regex = $src_times_regex");
gp_message ("debugXL", $subr_name, "src_regex = $src_regex");
gp_message ("debugXL", $subr_name, "end_src1_header_regex = $end_src1_header_regex");
gp_message ("debugXL", $subr_name, "end_src2_header_regex = $end_src2_header_regex");
gp_message ("debugXL", $subr_name, "function_regex = $function_regex");
gp_message ("debugXL", $subr_name, "function2_regex = $function2_regex");
gp_message ("debugXL", $subr_name, "src_regex = $src_regex");
#------------------------------------------------------------------------------
# Read the file into memory.
#------------------------------------------------------------------------------
chomp (@file_contents = <SRC_LISTING>);
#------------------------------------------------------------------------------
# Identify the header lines. Make the minimal assumptions.
#
# In both cases, the first line after the header has whitespace. This is
# followed by either one of the following:
#
# - <line_no>.
# - <Function:
#
# These are the characteristics we use below.
#------------------------------------------------------------------------------
for (my $line_number=0; $line_number <= $#file_contents; $line_number++)
{
$input_line = $file_contents[$line_number];
#------------------------------------------------------------------------------
# We found the first source code line. Bail out.
#------------------------------------------------------------------------------
if (($input_line =~ /$end_src1_header_regex/) or
($input_line =~ /$end_src2_header_regex/))
{
gp_message ("debugXL", $subr_name, "header time is over - hit source line");
gp_message ("debugXL", $subr_name, "line_number = $line_number");
gp_message ("debugXL", $subr_name, "input_line = $input_line");
last;
}
else
#------------------------------------------------------------------------------
# Store the header lines in the html structure.
#------------------------------------------------------------------------------
{
$modified_line = "<i>" . $input_line . "</i>";
push (@modified_html, $modified_line);
}
}
#------------------------------------------------------------------------------
# We know the source code starts at this index value:
#------------------------------------------------------------------------------
$start_all_source = scalar (@modified_html);
gp_message ("debugXL", $subr_name, "source starts at start_all_source = $start_all_source");
#------------------------------------------------------------------------------
# Scan the file to identify where the target source starts and ends.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "search for target function $routine");
$start_tracking = $FALSE;
$found_target = $FALSE;
for (my $line_number=0; $line_number <= $#file_contents; $line_number++)
{
$input_line = $file_contents[$line_number];
gp_message ("debugXL", $subr_name, "[$line_number] $input_line");
if ($input_line =~ /$function_regex/)
{
if (defined ($1) and defined ($2))
{
$func_name_in_src_file = $2;
my $msg = "found a function - name = $func_name_in_src_file";
gp_message ("debugXL", $subr_name, $msg);
if ($start_tracking)
{
$start_tracking = $FALSE;
$end_target_source = $line_number - 1;
my $msg = "end_target_source = $end_target_source";
gp_message ("debugXL", $subr_name, $msg);
last;
}
if ($func_name_in_src_file eq $routine)
{
$found_target = $TRUE;
$start_tracking = $TRUE;
$start_target_source = $line_number;
gp_message ("debugXL", $subr_name, "found target function $routine");
gp_message ("debugXL", $subr_name, "function_name = $2 routine = $routine");
gp_message ("debugXL", $subr_name, "routine = $routine start_tracking = $start_tracking");
gp_message ("debugXL", $subr_name, "start_target_source = $start_target_source");
}
}
else
{
my $msg = "parsing line $input_line";
gp_message ("assertion", $subr_name, $msg);
}
}
}
#------------------------------------------------------------------------------
# This is not supposed to happen, but it is not a fatal error either. The
# hyperlinks related to this function will not work, so a warning is issued.
# A message is issued both in debug mode, and as a warning.
#------------------------------------------------------------------------------
if (not $found_target)
{
my $msg;
gp_message ("debug", $subr_name, "target function $routine not found");
$msg = "function $routine not found in $base - " .
"links to source code involving this function will not work";
gp_message ("warning", $subr_name, $msg);
return ($found_target);
}
#------------------------------------------------------------------------------
# Catch the line number of the last function.
#------------------------------------------------------------------------------
if ($start_tracking)
{
$end_target_source = $#file_contents;
}
gp_message ("debugXL", $subr_name, "routine = $routine start_tracking = $start_tracking");
gp_message ("debugXL", $subr_name, "start_target_source = $start_target_source");
gp_message ("debugXL", $subr_name, "end_target_source = $end_target_source");
#------------------------------------------------------------------------------
# We now have the index range for the function of interest and will parse it.
# Since we already handled the first line with the function marker, we start
# with the line following.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Find the hot source lines and store them.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "determine the maximum metric values");
for (my $line_number=$start_target_source+1; $line_number <= $end_target_source; $line_number++)
{
$input_line = $file_contents[$line_number];
gp_message ("debugXL", $subr_name, " $line_number : check input_line = $input_line");
if ( $input_line =~ /$hot_lines_regex/ )
{
gp_message ("debugXL", $subr_name, " $line_number : found a hot line");
#------------------------------------------------------------------------------
# We found a hot line and the metric fields are stored in $2. We turn this
# string into an array and add it as a row to hot_source_lines.
#------------------------------------------------------------------------------
$hot_line = $1;
$metric_values = $2;
gp_message ("debugXL", $subr_name, "hot_line = $hot_line");
gp_message ("debugXL", $subr_name, "metric_values = $metric_values");
my @metrics = split (" ", $metric_values);
push (@hot_source_lines, [@metrics]);
}
gp_message ("debugXL", $subr_name, " $line_number : completed check for hot line");
}
#------------------------------------------------------------------------------
# Transpose the array with the hot lines. This means each row has all the
# values for a metrict and it makes it easier to determine the maximum values.
#------------------------------------------------------------------------------
for my $row (keys @hot_source_lines)
{
my $msg = "row[" . $row . "] = ";
for my $col (keys @{$hot_source_lines[$row]})
{
$msg .= "$hot_source_lines[$row][$col] ";
$transposed_hot_lines[$col][$row] = $hot_source_lines[$row][$col];
}
}
#------------------------------------------------------------------------------
# Print the maximum metric values found. Each row contains the data for a
# different metric.
#------------------------------------------------------------------------------
for my $row (keys @transposed_hot_lines)
{
my $msg = "row[" . $row . "] = ";
for my $col (keys @{$transposed_hot_lines[$row]})
{
$msg .= "$transposed_hot_lines[$row][$col] ";
}
gp_message ("debugXL", $subr_name, "hot lines = $msg");
}
#------------------------------------------------------------------------------
# Determine the maximum value for each metric.
#------------------------------------------------------------------------------
for my $row (keys @transposed_hot_lines)
{
my $max_val = 0;
for my $col (keys @{$transposed_hot_lines[$row]})
{
$max_val = max ($transposed_hot_lines[$row][$col], $max_val);
}
#------------------------------------------------------------------------------
# Convert to a floating point number.
#------------------------------------------------------------------------------
if ($max_val =~ /$integer_only_regex/)
{
$max_val = sprintf ("%f", $max_val);
}
push (@max_metric_values, $max_val);
}
for my $metric (keys @max_metric_values)
{
my $msg = "$input_filename max_metric_values[$metric] = " .
$max_metric_values[$metric];
gp_message ("debugXL", $subr_name, $msg);
}
#------------------------------------------------------------------------------
# Process those functions that are not the current target.
#------------------------------------------------------------------------------
$modified_html_ref = process_non_target_source ($start_all_source,
$start_target_source-1,
$src_times_regex,
$function_regex,
$number_of_metrics,
\@file_contents,
\@modified_html);
@modified_html = @{ $modified_html_ref };
#------------------------------------------------------------------------------
# This is the core part to process the information for the target function.
#------------------------------------------------------------------------------
gp_message ("debugXL", $subr_name, "parse and process the target source");
$modified_html_ref = process_target_source ($start_target_source,
$end_target_source,
$routine,
\@max_metric_values,
$src_times_regex,
$function2_regex,
$number_of_metrics,
\@file_contents,
\@modified_html);
@modified_html = @{ $modified_html_ref };
if ($end_target_source < $#file_contents)
{
$modified_html_ref = process_non_target_source ($end_target_source+1,
$#file_contents,
$src_times_regex,
$function_regex,
$number_of_metrics,
\@file_contents,
\@modified_html);
@modified_html = @{ $modified_html_ref };
}
gp_message ("debug", $subr_name, "completed reading source");
#------------------------------------------------------------------------------
# Add an extra line with diagnostics.
#
# TBD: The same is done in generate_dis_html but should be done only once.
#------------------------------------------------------------------------------
if ($hp_value > 0)
{
my $rounded_percentage = sprintf ("%.1f", $hp_value);
$threshold_line = "<i>The setting for the highlight percentage (-hp) option: $rounded_percentage (%)</i>";
}
else
{
$threshold_line = "<i>The highlight percentage (-hp) feature is not enabled</i>";
}
$html_home = ${ generate_home_link ("left") };
$html_end = ${ terminate_html_document () };
push (@modified_html, "</pre>");
push (@modified_html, "<br>");
push (@modified_html, $threshold_line);
push (@modified_html, $html_home);
push (@modified_html, "<br>");
push (@modified_html, $g_html_credits_line);
push (@modified_html, $html_end);
for my $i (0 .. $#modified_html)
{
gp_message ("debugXL", $subr_name, "[$i] -> $modified_html[$i]");
}
#------------------------------------------------------------------------------
# Write the generated HTML text to file.
#------------------------------------------------------------------------------
for my $i (0 .. $#modified_html)
{
print NEW_HTML "$modified_html[$i]" . "\n";
}
close (NEW_HTML);
close (SRC_LISTING);
return ($found_target);
} #-- End of subroutine process_source
#------------------------------------------------------------------------------
# Process the source lines for the target function.
#------------------------------------------------------------------------------
sub process_target_source
{
my $subr_name = get_my_name ();
my ($start_scan, $end_scan, $target_function, $max_metric_values_ref,
$src_times_regex, $function2_regex, $number_of_metrics,
$file_contents_ref, $modified_html_ref) = @_;
my @file_contents = @{ $file_contents_ref };
my @modified_html = @{ $modified_html_ref };
my @max_metric_values = @{ $max_metric_values_ref };
my @components = ();
my $colour_coded_line;
my $colour_coded_line_ref;
my $hot_line;
my $input_line;
my $line_id;
my $modified_line;
my $metric_values;
my $src_code_line;
my $src_line_no;
gp_message ("debug", $subr_name, "parse and process the core loop");
for (my $line_number=$start_scan; $line_number <= $end_scan; $line_number++)
{
$input_line = $file_contents[$line_number];
#------------------------------------------------------------------------------
# We need to replace the "<" symbol in the code by "<".
#------------------------------------------------------------------------------
$input_line =~ s/$g_less_than_regex/$g_html_less_than_regex/g;
$line_id = extract_source_line_number ($src_times_regex,
$function2_regex,
$number_of_metrics,
$input_line);
gp_message ("debug", $subr_name, "line_number = $line_number : input_line = $input_line line_id = $line_id");
if ($input_line =~ /$function2_regex/)
#------------------------------------------------------------------------------
# Found the function marker.
#------------------------------------------------------------------------------
{
if (defined ($1) and defined ($2))
{
my $func_name_in_file = $2;
my $spaces = $1;
my $boldface = $TRUE;
gp_message ("debug", $subr_name, "function_name = $2");
my $function_line = "<Function: " . $func_name_in_file . ">";
my $color_function_name = color_string (
$function_line,
$boldface,
$g_html_color_scheme{"target_function_name"});
my $ftag;
if (exists ($g_function_tag_id{$target_function}))
{
$ftag = $g_function_tag_id{$target_function};
gp_message ("debug", $subr_name, "target_function = $target_function ftag = $ftag");
}
else
{
my $msg = "no ftag found for $target_function";
gp_message ("assertion", $subr_name, $msg);
}
$modified_line = "<a id=\"" . $ftag . "\"></a>";
$modified_line .= $spaces . "<i>" . $color_function_name . "</i>";
}
}
elsif ($input_line =~ /$src_times_regex/)
#------------------------------------------------------------------------------
# This is a line with metric values.
#------------------------------------------------------------------------------
{
gp_message ("debug", $subr_name, "input line has metrics");
$hot_line = $1;
$metric_values = $2;
$src_line_no = $3;
$src_code_line = $4;
gp_message ("debug", $subr_name, "hot_line = $hot_line");
gp_message ("debug", $subr_name, "metric_values = $metric_values");
gp_message ("debug", $subr_name, "src_line_no = $src_line_no");
gp_message ("debug", $subr_name, "src_code_line = $src_code_line");
if ($hot_line eq "##")
#------------------------------------------------------------------------------
# Highlight the most expensive line.
#------------------------------------------------------------------------------
{
@components = split (" ", $input_line, 1+$number_of_metrics+2);
$modified_line = set_background_color_string (
$input_line,
$g_html_color_scheme{"background_color_hot"});
}
else
{
#------------------------------------------------------------------------------
# Highlight those lines close enough to the most expensive line.
#------------------------------------------------------------------------------
@components = split (" ", $input_line, $number_of_metrics + 2);
for my $i (0 .. $number_of_metrics-1)
{
gp_message ("debugXL", $subr_name, "$line_number : time check components[$i] = $components[$i]");
}
$colour_coded_line_ref = check_metric_values ($metric_values, \@max_metric_values);
$colour_coded_line = $ {$colour_coded_line_ref};
if ($colour_coded_line)
{
gp_message ("debugXL", $subr_name, "$line_number : change background colour modified_line = $modified_line");
$modified_line = set_background_color_string ($input_line, $g_html_color_scheme{"background_color_lukewarm"});
}
else
{
$modified_line = "<a id=\"line_" . $line_id . "\"></a>";
$modified_line .= "$input_line";
}
}
}
else
#------------------------------------------------------------------------------
# This is a regular line that is not modified.
#------------------------------------------------------------------------------
{
#------------------------------------------------------------------------------
# Add an id.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "$line_number : input line is a regular line");
$modified_line = "<a id=\"line_" . $line_id . "\"></a>";
$modified_line .= "$input_line";
}
gp_message ("debug", $subr_name, "$line_number : mod = $modified_line");
push (@modified_html, $modified_line);
}
return (\@modified_html);
} #-- End of subroutine process_target_source
#------------------------------------------------------------------------------
# Process the options. Set associated variables and check the options for
# correctness. For example, detect if conflicting options have been set.
#------------------------------------------------------------------------------
sub process_user_options
{
my $subr_name = get_my_name ();
my ($exp_dir_list_ref) = @_;
my @exp_dir_list = @{ $exp_dir_list_ref };
my %ignored_metrics = ();
my $error_code;
my $message;
my $outputdir;
my $target_cmd;
my $rm_output_msg;
my $mkdir_output_msg;
my $time_percentage_multiplier;
my $process_all_functions;
my $option_errors = 0;
#------------------------------------------------------------------------------
# The -o and -O options are mutually exclusive.
#------------------------------------------------------------------------------
my $define_new_output_dir = $g_user_settings{"output"}{"defined"};
my $overwrite_output_dir = $g_user_settings{"overwrite"}{"defined"};
my $dir_o_option = $g_user_settings{"output"}{"current_value"};
my $dir_O_option = $g_user_settings{"overwrite"}{"current_value"};
if ($define_new_output_dir and $overwrite_output_dir)
{
my $msg;
$msg = "the -o/--output and -O/--overwrite options are both set, " .
"but are mutually exclusive";
push (@g_user_input_errors, $msg);
$msg = "(setting for -o = $dir_o_option, " .
"setting for -O = $dir_O_option)";
push (@g_user_input_errors, $msg);
$option_errors++;
}
#------------------------------------------------------------------------------
# Define the quiet mode. While this is an on/off keyword in the input, we
# use a boolean in the remainder, because it reads easier.
#------------------------------------------------------------------------------
my $quiet_value = $g_user_settings{"quiet"}{"current_value"};
$g_quiet = ($quiet_value eq "on") ? $TRUE : $FALSE;
#------------------------------------------------------------------------------
# In quiet mode, all verbose, warnings and debug messages are suppressed.
#------------------------------------------------------------------------------
if ($g_quiet)
{
$g_user_settings{"verbose"}{"current_value"} = "off";
$g_user_settings{"warnings"}{"current_value"} = "off";
$g_user_settings{"debug"}{"current_value"} = "off";
$g_verbose = $FALSE;
$g_warnings = $FALSE;
my $debug_off = "off";
my $ignore_value = set_debug_size (\$debug_off);
}
else
{
#------------------------------------------------------------------------------
# Get the verbose mode.
#------------------------------------------------------------------------------
my $verbose_value = $g_user_settings{"verbose"}{"current_value"};
$g_verbose = ($verbose_value eq "on") ? $TRUE : $FALSE;
#------------------------------------------------------------------------------
# Get the warning mode.
#------------------------------------------------------------------------------
my $warning_value = $g_user_settings{"warnings"}{"current_value"};
$g_warnings = ($warning_value eq "on") ? $TRUE : $FALSE;
}
#------------------------------------------------------------------------------
# The value for HP should be in the interval (0,100]. We already enforced
# the number to be positive, but the limits have not been checked yet.
#------------------------------------------------------------------------------
my $hp_value = $g_user_settings{"highlight_percentage"}{"current_value"};
if (($hp_value < 0) or ($hp_value > 100))
{
my $msg = "the value for the highlight percentage is set to $hp_value, ";
$msg .= "but must be in the range [0, 100]";
push (@g_user_input_errors, $msg);
$option_errors++;
}
#------------------------------------------------------------------------------
# The value for TP should be in the interval (0,100]. We already enforced
# the number to be positive, but the limits have not been checked yet.
#------------------------------------------------------------------------------
my $tp_value = $g_user_settings{"threshold_percentage"}{"current_value"};
if (($tp_value < 0) or ($tp_value > 100))
{
my $msg = "the value for the total percentage is set to $tp_value, " .
"but must be in the range (0, 100]";
push (@g_user_input_errors, $message);
$option_errors++;
}
else
{
$time_percentage_multiplier = $tp_value/100.0;
# Ruud if (($TIME_PERCENTAGE_MULTIPLIER*100.) >= 100.)
if ($tp_value == 100)
{
$process_all_functions = $TRUE; # ensure that all routines are handled
}
else
{
$process_all_functions = $FALSE;
}
my $txt;
$txt = "value of time_percentage_multiplier = " .
$time_percentage_multiplier;
gp_message ("debugM", $subr_name, $txt);
$txt = "value of process_all_functions = " .
($process_all_functions ? "TRUE" : "FALSE");
gp_message ("debugM", $subr_name, $txt);
}
#------------------------------------------------------------------------------
# If imetrics has been set, split the list into the individual metrics that
# need to be excluded. The associated hash called $ignore_metrics has the
# to be excluded metrics as an index. The value of $TRUE assigned does not
# really matter.
#------------------------------------------------------------------------------
my @candidate_ignored_metrics;
if ($g_user_settings{"ignore_metrics"}{"defined"})
{
@candidate_ignored_metrics =
split (":", $g_user_settings{"ignore_metrics"}{"current_value"});
}
for my $metric (@candidate_ignored_metrics)
{
# TBD: bug? $ignored_metrics{$metric} = $FALSE;
$ignored_metrics{$metric} = $TRUE;
}
for my $metric (keys %ignored_metrics)
{
my $txt = "ignored_metrics{$metric} = $ignored_metrics{$metric}";
gp_message ("debugM", $subr_name, $txt);
}
#------------------------------------------------------------------------------
# Check if the experiment directories exist.
#------------------------------------------------------------------------------
for my $i (0 .. $#exp_dir_list)
{
if (-d $exp_dir_list[$i])
{
my $abs_path_dir = Cwd::abs_path ($exp_dir_list[$i]);
$exp_dir_list[$i] = $abs_path_dir;
my $txt = "directory $exp_dir_list[$i] exists";
gp_message ("debugM", $subr_name, $txt);
}
else
{
my $msg = "directory $exp_dir_list[$i] does not exist";
push (@g_user_input_errors, $msg);
$option_errors++;
}
}
return ($option_errors, \%ignored_metrics, $outputdir,
$time_percentage_multiplier, $process_all_functions,
\@exp_dir_list);
} #-- End of subroutine process_user_options
#------------------------------------------------------------------------------
# This is a hopefully temporary routine to disable/ignore selected user
# settings. As the functionality expands, this list will get shorter.
#------------------------------------------------------------------------------
sub reset_selected_settings
{
my $subr_name = get_my_name ();
$g_locale_settings{"decimal_separator"} = "\\.";
$g_locale_settings{"convert_to_dot"} = $FALSE;
$g_user_settings{func_limit}{current_value} = 1000000;
gp_message ("debug", $subr_name, "reset selected settings");
return (0);
} #-- End of subroutine reset_selected_settings
#------------------------------------------------------------------------------
# There may be various different visibility characters in a metric definition.
# For example: e+%CPI.
#
# Internally we use a normalized definition that only uses the dot (e.g.
# e.CPI) as an index into the description structure.
#
# Here we reduce the incoming metric definition to the normalized form, look
# up the text, and return a pointer to it.
#------------------------------------------------------------------------------
sub retrieve_metric_description
{
my $subr_name = get_my_name ();
my ($metric_name_ref, $metric_description_ref) = @_;
my $metric_name = ${ $metric_name_ref };
my %metric_description = %{ $metric_description_ref };
my $description;
my $normalized_metric;
$metric_name =~ /([ei])([\.\+%]+)(.*)/;
if (defined ($1) and defined ($3))
{
$normalized_metric = $1 . "." . $3;
}
else
{
my $msg = "metric $metric_name has an unknown format";
gp_message ("assertion", $subr_name, $msg);
}
if (defined ($metric_description{$normalized_metric}))
{
$description = $metric_description{$normalized_metric};
}
else
{
my $msg = "description for normalized metric $normalized_metric not found";
gp_message ("assertion", $subr_name, $msg);
}
return (\$description);
} #-- End of subroutine retrieve_metric_description
#------------------------------------------------------------------------------
# TBD.
#------------------------------------------------------------------------------
sub rnumerically
{
my ($f1,$f2);
if ($a =~ /^([^\d]*)(\d+)/)
{
$f1 = int ($2);
if ($b=~ /^([^\d]*)(\d+)/)
{
$f2 = int ($2);
$f1 == $f2 ? 0 : ($f1 > $f2 ? -1 : +1);
}
}
else
{
return ($b <=> $a);
}
} #-- End of subroutine rnumerically
#------------------------------------------------------------------------------
# TBD: Remove - not used any longer.
# Set the architecture and associated regular expressions.
#------------------------------------------------------------------------------
sub set_arch_and_regexes
{
my $subr_name = get_my_name ();
my ($arch_uname) = @_;
my $architecture_supported;
gp_message ("debug", $subr_name, "arch_uname = $arch_uname");
if ($arch_uname eq "x86_64")
{
#x86/x64 hardware uses jump
$architecture_supported = $TRUE;
# $arch='x64';
# $regex=':\s+(j).*0x[0-9a-f]+';
# $subexp='(\[\s*)(0x[0-9a-f]+)';
# $linksubexp='(\[\s*)(0x[0-9a-f]+)';
gp_message ("debug", $subr_name, "detected $arch_uname hardware");
$architecture_supported = $TRUE;
$g_arch_specific_settings{"arch_supported"} = $TRUE;
$g_arch_specific_settings{"arch"} = 'x64';
$g_arch_specific_settings{"regex"} = ':\s+(j).*0x[0-9a-f]+';
$g_arch_specific_settings{"subexp"} = '(\[\s*)(0x[0-9a-f]+)';
$g_arch_specific_settings{"linksubexp"} = '(\[\s*)(0x[0-9a-f]+)';
}
#-------------------------------------------------------------------------------
# TBD: Remove the elsif block
#-------------------------------------------------------------------------------
elsif ($arch_uname=~m/sparc/s)
{
#sparc hardware uses branch
$architecture_supported = $FALSE;
# $arch='sparc';
# $regex=':\s+(c|b|fb).*0x[0-9a-f]+\s*$';
# $subexp='(\s*)(0x[0-9a-f]+)\s*$';
# $linksubexp='(\s*)(0x[0-9a-f]+\s*$)';
# gp_message ("debug", $subr_name, "detected $arch_uname hardware arch = $arch - this is no longer supported");
$architecture_supported = $FALSE;
$g_arch_specific_settings{arch_supported} = $FALSE;
$g_arch_specific_settings{arch} = 'sparc';
$g_arch_specific_settings{regex} = ':\s+(c|b|fb).*0x[0-9a-f]+\s*$';
$g_arch_specific_settings{subexp} = '(\s*)(0x[0-9a-f]+)\s*$';
$g_arch_specific_settings{linksubexp} = '(\s*)(0x[0-9a-f]+\s*$)';
}
else
{
$architecture_supported = $FALSE;
gp_message ("debug", $subr_name, "detected $arch_uname hardware - this not supported; limited functionality");
}
return ($architecture_supported);
} #-- End of subroutine set_arch_and_regexes
#------------------------------------------------------------------------------
# Set the background color of the input string.
#
# For supported colors, see:
# https://www.w3schools.com/colors/colors_names.asp
#------------------------------------------------------------------------------
sub set_background_color_string
{
my $subr_name = get_my_name ();
my ($input_string, $color) = @_;
my $background_color_string;
my $msg;
$msg = "color = $color input_string = $input_string";
gp_message ("debugXL", $subr_name, $msg);
$background_color_string = "<span style='background-color: " . $color .
"'>" . $input_string . "</span>";
$msg = "color = $color background_color_string = " .
$background_color_string;
gp_message ("debugXL", $subr_name, $msg);
return ($background_color_string);
} #-- End of subroutine set_background_color_string
#------------------------------------------------------------------------------
# Set the g_debug_size structure for a given value for "size". Also set the
# value in $g_user_settings{"debug"}{"current_value"}
#------------------------------------------------------------------------------
sub set_debug_size
{
my $subr_name = get_my_name ();
my ($debug_value_ref) = @_;
my $debug_value = lc (${ $debug_value_ref });
#------------------------------------------------------------------------------
# Regardless of the value, the debug settings are defined here.
#------------------------------------------------------------------------------
$g_user_settings{"debug"}{"defined"} = $TRUE;
#------------------------------------------------------------------------------
# By default, set the value to "on", but correct below if needed.
#------------------------------------------------------------------------------
$g_user_settings{"debug"}{"current_value"} = "on";
if (($debug_value eq "on") or ($debug_value eq "s"))
{
$g_debug_size{"on"} = $TRUE;
$g_debug_size{"s"} = $TRUE;
}
elsif ($debug_value eq "m")
{
$g_debug_size{"on"} = $TRUE;
$g_debug_size{"s"} = $TRUE;
$g_debug_size{"m"} = $TRUE;
}
elsif ($debug_value eq "l")
{
$g_debug_size{"on"} = $TRUE;
$g_debug_size{"s"} = $TRUE;
$g_debug_size{"m"} = $TRUE;
$g_debug_size{"l"} = $TRUE;
}
elsif ($debug_value eq "xl")
{
$g_debug_size{"on"} = $TRUE;
$g_debug_size{"s"} = $TRUE;
$g_debug_size{"m"} = $TRUE;
$g_debug_size{"l"} = $TRUE;
$g_debug_size{"xl"} = $TRUE;
}
else
#------------------------------------------------------------------------------
# Any other value is considered to disable debugging.
#------------------------------------------------------------------------------
{
$g_user_settings{"debug"}{"current_value"} = "off";
$g_debug_size{"on"} = $FALSE;
$g_debug_size{"s"} = $FALSE;
$g_debug_size{"m"} = $FALSE;
$g_debug_size{"l"} = $FALSE;
$g_debug_size{"xl"} = $FALSE;
}
#------------------------------------------------------------------------------
# Activate in case of an emergency :-)
#------------------------------------------------------------------------------
## if ($g_debug_size{$debug_value})
## {
## for my $i (keys %g_debug_size)
## {
## print "$subr_name g_debug_size{$i} = $g_debug_size{$i}\n";
## }
## }
return (0);
} #-- End of subroutine set_debug_size
#------------------------------------------------------------------------------
# This subroutine defines the default metrics.
#------------------------------------------------------------------------------
sub set_default_metrics
{
my $subr_name = get_my_name ();
my ($outfile1, $ignored_metrics_ref) = @_;
my %ignored_metrics = %{ $ignored_metrics_ref };
my %metric_description = ();
my %metric_found = ();
my $detail_metrics;
my $detail_metrics_system;
my $call_metrics = "";
my $summary_metrics = "";
open (METRICS, "<", $outfile1)
or die ("Unable to open metrics file $outfile1 for reading - '$!'");
gp_message ("debug", $subr_name, "opened $outfile1 for reading");
while (<METRICS>)
{
my $metric_line = $_;
chomp ($metric_line);
gp_message ("debug", $subr_name,"the value of metric_line = $metric_line");
#------------------------------------------------------------------------------
# Decode the metric part of the input line. If a valid line, return the
# metric components. Otherwise return "skipped" in the metric_spec field.
#------------------------------------------------------------------------------
my ($metric_spec, $metric_flavor, $metric_visibility, $metric_name, $metric_description) = extract_metric_specifics ($metric_line);
gp_message ("debug", $subr_name, "metric_spec = $metric_spec");
gp_message ("debug", $subr_name, "metric_flavor = $metric_flavor");
if ($metric_spec eq "skipped")
#------------------------------------------------------------------------------
# Not a valid input line.
#------------------------------------------------------------------------------
{
gp_message ("debug", $subr_name, "skipped line: $metric_line");
}
else
{
#------------------------------------------------------------------------------
# A valid metric field has been found.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "metric_name = $metric_name");
gp_message ("debug", $subr_name, "metric_description = $metric_description");
# if (exists ($IMETRICS{$m})){
if ($g_user_settings{"ignore_metrics"}{"defined"} and exists ($ignored_metrics{$metric_name}))
{
gp_message ("debug", $subr_name, "user requested to ignore metric $metric_name");
next;
}
#------------------------------------------------------------------------------
# Only the exclusive metric is selected.
#------------------------------------------------------------------------------
if ($metric_flavor eq "e")
{
$metric_found{$metric_spec} = $TRUE;
$metric_description{$metric_spec} = $metric_description;
# TBD: remove the -AO:
gp_message ("debug", $subr_name,"-AO metric_description{$metric_spec} = $metric_description{$metric_spec}");
$summary_metrics .= $metric_spec.":";
$call_metrics .= "a.".$metric_name.":";
}
}
}
close (METRICS);
chop ($call_metrics);
chop ($summary_metrics);
$detail_metrics = $summary_metrics;
$detail_metrics_system = $summary_metrics;
return (\%metric_description, \%metric_found,
$summary_metrics, $detail_metrics, $detail_metrics_system, $call_metrics);
} #-- End of subroutine set_default_metrics
#------------------------------------------------------------------------------
# Set various system specific variables. These depend upon both the processor
# architecture and OS. The values are stored in global structure
# g_arch_specific_settings.
#------------------------------------------------------------------------------
sub set_system_specific_variables
{
my $subr_name = get_my_name ();
my ($arch_uname, $arch_uname_s) = @_;
my $elf_arch;
my $read_elf_cmd;
my $elf_support;
my $architecture_supported;
my $arch;
my $regex;
my $subexp;
my $linksubexp;
if ($arch_uname eq "x86_64")
{
#------------------------------------------------------------------------------
# x86/x64 hardware uses jump
#------------------------------------------------------------------------------
$architecture_supported = $TRUE;
$arch = 'x64';
$regex =':\s+(j).*0x[0-9a-f]+';
$subexp ='(\[\s*)(0x[0-9a-f]+)';
$linksubexp ='(\[\s*)(0x[0-9a-f]+)';
# gp_message ("debug", $subr_name, "detected $arch_uname hardware arch = $arch");
$g_arch_specific_settings{"arch_supported"} = $TRUE;
$g_arch_specific_settings{"arch"} = 'x64';
#------------------------------------------------------------------------------
# Define the regular expressions to parse branch instructions.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# TBD: Need much more than these
#------------------------------------------------------------------------------
$g_arch_specific_settings{"regex"} = '\.*([0-9a-fA-F]*):\s+(j).*\s*0x([0-9a-fA-F]+)';
$g_arch_specific_settings{"subexp"} = '(0x[0-9a-f]+)';
$g_arch_specific_settings{"linksubexp"} = '(\s*)(0x[0-9a-f]+)';
}
else
{
$architecture_supported = $FALSE;
$g_arch_specific_settings{"arch_supported"} = $FALSE;
}
#------------------------------------------------------------------------------
# TBD Ruud: need to handle this better
#------------------------------------------------------------------------------
if ($arch_uname_s eq "Linux")
{
$elf_arch = $arch_uname_s;
$read_elf_cmd = $g_mapped_cmds{"readelf"};
if ($read_elf_cmd eq "road_to_nowhere")
{
$elf_support = $FALSE;
}
else
{
$elf_support = $TRUE;
}
gp_message ("debugXL", $subr_name, "elf_support = $elf_support read_elf_cmd = $read_elf_cmd elf_arch = $elf_arch");
}
else
{
gp_message ("abort", $subr_name, "the $arch_uname_s operating system is not supported");
}
return ($architecture_supported, $elf_arch, $elf_support);
} #-- End of subroutine set_system_specific_variables
#------------------------------------------------------------------------------
# TBD
#------------------------------------------------------------------------------
sub set_title
{
my $subr_name = get_my_name ();
my ($function_info_ref, $func, $from_where) = @_ ;
my $msg;
my @function_info = @{$function_info_ref};
my $filename = $func ;
my $base;
my $first_line;
my $src_file;
my $RI;
my $the_title;
my $routine = "?";
my $DIS;
my $SRC;
chomp ($filename);
$base = get_basename ($filename);
gp_message ("debug", $subr_name, "from_where = $from_where");
gp_message ("debug", $subr_name, "base = $base filename = $filename");
if ($from_where eq "process source")
{
if ($base =~ /^file\.(\d+)\.src\.txt$/)
{
if (defined ($1))
{
$RI = $1;
}
else
{
$msg = "unexpected error encountered parsing $filename";
gp_message ("assertion", $subr_name, $msg);
}
}
$the_title = "Source";
}
elsif ($from_where eq "disassembly")
{
if ($base =~ /^file\.(\d+)\.dis$/)
{
if (defined ($1))
{
$RI = $1;
}
else
{
$msg = "unexpected error encountered parsing $filename";
gp_message ("assertion", $subr_name, $msg);
}
}
$the_title = "Disassembly";
}
else
{
$msg = "called from unknown routine - $from_where";
gp_message ("assertion", $subr_name, $msg);
}
if (defined ($function_info[$RI]{"routine"}))
{
$routine = $function_info[$RI]{"routine"};
}
if ($from_where eq "process source")
{
my $is_empty = is_file_empty ($filename);
if ($is_empty)
{
$src_file = "";
}
else
{
open ($SRC, "<", $filename)
or die ("$subr_name - unable to open source file $filename for reading:'$!'");
gp_message ("debug", $subr_name, "opened file $filename for reading");
$first_line = <$SRC>;
chomp ($first_line);
close ($SRC);
gp_message ("debug", $subr_name, "first_line = $first_line");
if ($first_line =~ /^Source\s+file:\s+([^\s]+)/)
{
$src_file = $1
}
else
{
$src_file = "";
}
}
}
elsif ($from_where eq "disassembly")
{
open ($DIS, "<", $filename)
or die ("$subr_name - unable to open disassembly file $filename for reading: '$!'");
gp_message ("debug", $subr_name, "opened file $filename for reading");
$first_line = <$DIS>;
close ($DIS);
if ($first_line =~ /^Source\s+file:\s+([^\s]+)/)
{
$src_file = "$1"
}
else
{
$src_file = "";
}
}
if (length ($routine))
{
$the_title .= " $routine";
}
if (length ($src_file))
{
if ($src_file ne "(unknown)")
{
$the_title .= " ($src_file)";
}
else
{
$the_title .= " $src_file";
}
}
return ($the_title);
} #-- End of subroutine set_title
#------------------------------------------------------------------------------
# Handles where the output should go. If needed, a directory is # created
# where the results will go.
#------------------------------------------------------------------------------
sub set_up_output_directory
{
my $subr_name = get_my_name ();
my $error_code;
my $message;
my $mkdir_output_msg;
my $option_errors;
my $outputdir = "does_not_exist_yet";
my $rm_output_msg;
my $target_cmd;
my $define_new_output_dir = $g_user_settings{"output"}{"defined"};
my $overwrite_output_dir = $g_user_settings{"overwrite"}{"defined"};
$option_errors = 0;
if ((not $define_new_output_dir) and (not $overwrite_output_dir))
#------------------------------------------------------------------------------
# If neither -o or -O are set, find the next number to be used in the name for
# the default output directory.
#------------------------------------------------------------------------------
{
my $dir_id = 1;
while (-d "display.".$dir_id.".html")
{ $dir_id++; }
$outputdir = "display.".$dir_id.".html";
}
elsif ($define_new_output_dir)
#------------------------------------------------------------------------------
# The output directory is defined with the -o option.
#------------------------------------------------------------------------------
{
$outputdir = $g_user_settings{"output"}{"current_value"};
}
elsif ($overwrite_output_dir)
#------------------------------------------------------------------------------
# The output directory is defined with the -O option.
#------------------------------------------------------------------------------
{
$outputdir = $g_user_settings{"overwrite"}{"current_value"};
}
#------------------------------------------------------------------------------
# The name of the output directory is known and we can proceed.
#------------------------------------------------------------------------------
gp_message ("debug", $subr_name, "the target output directory is $outputdir");
if (-d $outputdir)
{
#------------------------------------------------------------------------------
# The -o option is used, but the directory already exists.
#------------------------------------------------------------------------------
if ($define_new_output_dir)
{
$message = "directory $outputdir already exists";
$message .= " (use the -O option to overwrite an existing directory)";
push (@g_user_input_errors, $message);
$option_errors++;
return ($option_errors, $outputdir);
}
elsif ($overwrite_output_dir)
#------------------------------------------------------------------------------
# It is a bit risky to remove this directory and so we proceed with caution.
# What if the user decides to call it "*" e.g. "-O \*" for example? While this
# should have been caught when processing the options, we still like to
# be very cautious here before executing /bin/rm -rf.
#------------------------------------------------------------------------------
{
if ($outputdir eq "*")
{
$message = "it is not allowed to use * as a value for the -O option";
push (@g_user_input_errors, $message);
$option_errors++;
return ($option_errors, $outputdir);
}
else
{
#------------------------------------------------------------------------------
# The output directory exists, but it is okay to overwrite it. It is
# removed here and created again below.
#------------------------------------------------------------------------------
$target_cmd = $g_mapped_cmds{"rm"} . " -rf " . $outputdir;
($error_code, $rm_output_msg) = execute_system_cmd ($target_cmd);
if ($error_code != 0)
{
gp_message ("error", $subr_name, $rm_output_msg);
gp_message ("abort", $subr_name, "fatal error when trying to remove $outputdir");
}
else
{
gp_message ("debug", $subr_name, "directory $outputdir has been removed");
}
}
}
} #-- End of if-check for $outputdir
#-------------------------------------------------------------------------------
# When we get here, the fatal scenarios have been cleared and the name for
# $outputdir is known. Time to create it. Note that recursive creation is
# supported and umask controls the access permissions.
#-------------------------------------------------------------------------------
$target_cmd = $g_mapped_cmds{"mkdir"} . " -p " . $outputdir;
($error_code, $mkdir_output_msg) = execute_system_cmd ($target_cmd);
if ($error_code != 0)
{
my $msg = "a fatal problem occurred when creating directory $outputdir";
gp_message ("abort", $subr_name, $msg);
}
else
{
gp_message ("debug", $subr_name, "created output directory $outputdir");
}
return ($option_errors, $outputdir);
} #-- End of subroutine set_up_output_directory
#------------------------------------------------------------------------------
# Routine to generate webfriendly names
#------------------------------------------------------------------------------
sub tag_name
{
my $subr_name = get_my_name ();
my ($target_name) = @_;
#------------------------------------------------------------------------------
# Keeps track how many names have been tagged already.
#------------------------------------------------------------------------------
state $S_total_tagged_names = 0;
my $unique_name;
gp_message ("debug", $subr_name, "target_name on entry = $target_name");
#------------------------------------------------------------------------------
# Undo conversion of < in to <
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# TBD: Legacy - What is going on here and is this really needed?!
# We need to replace the "<" symbol in the code by "<".
#------------------------------------------------------------------------------
$target_name =~ s/$g_html_less_than_regex/$g_less_than_regex/g;
#------------------------------------------------------------------------------
# Remove inlining info
#------------------------------------------------------------------------------
$target_name =~ s/, instructions from source file.*//;
if (defined $g_tagged_names{$target_name})
{
gp_message ("debug", $subr_name, "target_name = $target_name is already defined: $g_tagged_names{$target_name}");
gp_message ("debug", $subr_name, "target_name on return = $target_name");
return ($g_tagged_names{$target_name});
}
else
{
$unique_name = "ftag".$S_total_tagged_names;
$S_total_tagged_names++;
$g_tagged_names{$target_name} = $unique_name;
gp_message ("debug", $subr_name, "target_name = $target_name is new and added: g_tagged_names{$target_name} = $g_tagged_names{$target_name}");
gp_message ("debug", $subr_name, "target_name on return = $target_name");
return ($unique_name);
}
} #-- End of subroutine tag_name
#------------------------------------------------------------------------------
# Generate a string to terminate the HTML document.
#------------------------------------------------------------------------------
sub terminate_html_document
{
my $subr_name = get_my_name ();
my $html_line;
$html_line = "</body>\n";
$html_line .= "</html>";
return (\$html_line);
} #-- End of subroutine terminate_html_document
#-------------------------------------------------------------------------------
# Perform some basic checks to ensure the input data is consistent. This part
# could be refined and expanded over time. For example by using a checksum
# mechanism to verify the consistency of the executables.
#-------------------------------------------------------------------------------
sub verify_consistency_experiments
{
my $subr_name = get_my_name ();
my ($exp_dir_list_ref) = @_;
my @exp_dir_list = @{ $exp_dir_list_ref };
my $executable_name;
my $full_path_executable_name;
my $ref_executable_name;
my $first_exp_dir = $TRUE;
my $count_differences = 0;
#-------------------------------------------------------------------------------
# Enforce that the full path names to the executable are the same. This could
# be overkill and a checksum approach would be more flexible.
#-------------------------------------------------------------------------------
for my $full_exp_dir (@exp_dir_list)
{
my $exp_dir = get_basename ($full_exp_dir);
gp_message ("debug", $subr_name, "exp_dir = $exp_dir");
if ($first_exp_dir)
{
$first_exp_dir = $FALSE;
$ref_executable_name = $g_exp_dir_meta_data{$exp_dir}{"full_path_exec"};
gp_message ("debug", $subr_name, "ref_executable_name = $ref_executable_name");
next;
}
$full_path_executable_name = $g_exp_dir_meta_data{$exp_dir}{"full_path_exec"};
gp_message ("debug", $subr_name, "full_path_executable_name = $full_path_executable_name");
if ($full_path_executable_name ne $ref_executable_name)
{
$count_differences++;
gp_message ("debug", $subr_name, "$full_path_executable_name does not match $ref_executable_name");
}
}
$executable_name = get_basename ($ref_executable_name);
return ($count_differences, $executable_name);
} #-- End of subroutine verify_consistency_experiments
#------------------------------------------------------------------------------
# Check if the input item is valid for the data type specified. Validity is
# verified in the context of gprofng. The definition for the metrics is a
# good example of that.
#------------------------------------------------------------------------------
sub verify_if_input_is_valid
{
my $subr_name = get_my_name ();
my ($input_item, $data_type) = @_;
my $return_value = $FALSE;
#------------------------------------------------------------------------------
# These value are allowed to be case insensitive, so we convert to lower
# case first.
#------------------------------------------------------------------------------
if (($data_type eq "onoff") or ($data_type eq "size"))
{
$input_item = lc ($input_item);
}
if ($data_type eq "metrics")
#------------------------------------------------------------------------------
# A gprofng metric definition. Either consists of "default" only, or starts
# with e or i, followed by one or more from the set {.,%,!,+} and a keyword.
# This pattern may be repeated with a ":" as the separator.
#------------------------------------------------------------------------------
{
my @metric_list = split (":", $input_item);
#------------------------------------------------------------------------------
# Check if the pattern is valid. If not, bail out and return $FALSE.
#------------------------------------------------------------------------------
for my $metric (@metric_list)
{
if ($metric =~ /^default$|^[ei]*[\.%\!\+]+[a-z]*$/)
{
$return_value = $TRUE;
}
else
{
$return_value = $FALSE;
last;
}
}
}
elsif ($data_type eq "metric_names")
#------------------------------------------------------------------------------
# A gprofng metric definition but without the flavour and visibility . Either
# the name consists of "default" only, or a keyword with lowercase letters
# only. This pattern may be repeated with a ":" as the separator.
#------------------------------------------------------------------------------
{
my @metric_list = split (":", $input_item);
#------------------------------------------------------------------------------
# Check if the pattern is valid. If not, bail out and return $FALSE.
#------------------------------------------------------------------------------
for my $metric (@metric_list)
{
if ($metric =~ /^default$|^[a-z]*$/)
{
$return_value = $TRUE;
}
else
{
$return_value = $FALSE;
last;
}
}
}
elsif ($data_type eq "path")
#------------------------------------------------------------------------------
# This can be almost anything, including "/" and "."
#------------------------------------------------------------------------------
{
if ($input_item =~ /^[\w\/\.]*$/)
{
$return_value = $TRUE;
}
}
elsif ($data_type eq "boolean")
{
#------------------------------------------------------------------------------
# This is TRUE (=1) or FALSE (0).
#------------------------------------------------------------------------------
if ($input_item =~ /^[01]$/)
{
$return_value = $TRUE;
}
}
elsif ($data_type eq "onoff")
#------------------------------------------------------------------------------
# This is either "on" OR "off".
#------------------------------------------------------------------------------
{
if ($input_item =~ /^on$|^off$/)
{
$return_value = $TRUE;
}
}
elsif ($data_type eq "size")
#------------------------------------------------------------------------------
# Supported values are "on", "off", "s", "m", "l", OR "xl".
#------------------------------------------------------------------------------
{
if ($input_item =~ /^on$|^off$|^s$|^m$|^l$|^xl$/)
{
$return_value = $TRUE;
}
}
elsif ($data_type eq "pinteger")
#------------------------------------------------------------------------------
# This is a positive integer.
#------------------------------------------------------------------------------
{
if ($input_item =~ /^\d*$/)
{
$return_value = $TRUE;
}
}
elsif ($data_type eq "integer")
#------------------------------------------------------------------------------
# This is a positive or negative integer.
#------------------------------------------------------------------------------
{
if ($input_item =~ /^\-?\d*$/)
{
$return_value = $TRUE;
}
}
elsif ($data_type eq "pfloat")
#------------------------------------------------------------------------------
# This is a positive floating point number, but we accept a positive integer
# number as well.
#
# TBD: Note that we use the "." here. Maybe should support a "," too.
#------------------------------------------------------------------------------
{
if (($input_item =~ /^\d*\.\d*$/) or ($input_item =~ /^\d*$/))
{
$return_value = $TRUE;
}
}
elsif ($data_type eq "float")
#------------------------------------------------------------------------------
# This is a positive or negative floating point number, but we accept an
# integer number as well.
#
# TBD: Note that we use the "." here. Maybe should support a "," too.
#------------------------------------------------------------------------------
{
if (($input_item =~ /^\-?\d*\.\d*$/) or ($input_item =~ /^\-?\d*$/))
{
$return_value = $TRUE;
}
}
else
{
my $msg = "the $data_type data type for input $input_item is not supported";
gp_message ("assertion", $subr_name, $msg);
}
return ($return_value);
} #-- End of subroutine verify_if_input_is_valid