| Server IP : 85.214.239.14 / Your IP : 18.227.105.110 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/3/cwd/proc/3/root/usr/share/doc/rrdtool/examples/ |
Upload File : |
#! /usr/bin/perl
use lib qw( /usr/lib/perl );
use strict;
use vars qw(@ISA $loaded);
use RRDs;
my $start=time;
my $rrd="random.rrd";
RRDs::create ($rrd, "--start",$start-1, "--step",300,
"DS:a:GAUGE:600:U:U",
"DS:b:GAUGE:600:U:U",
"RRA:AVERAGE:0.5:1:200");
my $ERROR = RRDs::error;
die "$0: unable to create `$rrd': $ERROR\n" if $ERROR;
my $t;
for ($t=$start; $t<$start+200*300; $t+=300){
RRDs::update $rrd, "$t:".rand(100).":".(sin($t/800)*50+50);
if ($ERROR = RRDs::error) {
die "$0: unable to update `$rrd': $ERROR\n";
}
}
RRDs::graph "stripes.png",
"--title", "Stripes Demo",
"--start", $start,
"--end", "start + 400 min",
"--interlaced",
"--imgformat","PNG",
"--width=450",
"DEF:a=$rrd:a:AVERAGE",
"DEF:b=$rrd:b:AVERAGE",
"CDEF:alpha=TIME,1200,%,600,LT,a,UNKN,IF",
"CDEF:beta=TIME,1200,%,600,GE,b,UNKN,IF",
"AREA:alpha#0022e9:alpha",
"AREA:beta#00b674:beta",
"LINE1:b#ff4400:beta envelope\\c",
"COMMENT:\\s",
"COMMENT:alpha=TIME,1200,%,600,LT,a,UNKN,IF",
"COMMENT:beta=TIME,1200,%,600,GE,b,UNKN,IF\\j";
if ($ERROR = RRDs::error) {
die "ERROR: $ERROR\n";
};
print "This script has created stripes.png in the current directory\n";
print "This demonstrates the use of the TIME and % RPN operators\n";