73 lines
2.1 KiB
PHP
Executable File
73 lines
2.1 KiB
PHP
Executable File
#!/usr/bin/php
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<?php
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/*
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multicpu monitors the cpu usage of multiple processes.
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you can configure the list of processes via munin's configuration
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[multicpu]
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env.ps_filter apache2 mysqld
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I have very little knowledge about munin plugins, it just 'works fine for me'.
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Please feel free to improve :)
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0.1 initial release - Florian Fida
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*/
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// make sure that path to ps is valid for your system
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$ps_cmd = '/bin/ps -eo "%C,%a"';
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// list of processes to monitor, can also be set by env.ps_filter in munin config
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$ps_filter = array(
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'apache2', 'mysqld', 'exim', 'php', 'perl', 'ruby', 'bftpd'
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);
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$cmdl = implode(' ', $argv);
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$config = stripos($cmdl, 'config') !== false;
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if(!empty($_ENV['ps_filter'])){
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$ps_filter = explode(' ', $_ENV['ps_filter']);
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}
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if($config){
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$out = "multigraph multicpu_pcpu\n";
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$out .= "graph_title CPU usage per process\n";
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$out .= "graph_vlabel CPU usage [%]\n";
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$out .= "graph_category processes\n";
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foreach($ps_filter as $process) $out .= "$process.label $process\n";
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$out .= "multigraph multicpu_cnt\n";
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$out .= "graph_title Instances per process\n";
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$out .= "graph_vlabel count\n";
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$out .= "graph_category processes\n";
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foreach($ps_filter as $process) $out .= "$process.label $process\n";
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echo $out."\n";
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exit;
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}
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$ps_txt = shell_exec($ps_cmd);
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$ps_a = explode("\n", $ps_txt);
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$result = array();
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$result_cnt = array();
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foreach($ps_filter as $process){
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if(!isset($result[$process])) $result[$process] = 0;
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if(!isset($result_cnt[$process])) $result_cnt[$process] = 0;
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foreach($ps_a as $line){
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$line_a = explode(',', $line, 2);
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if(count($line_a) == 2){
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if(stripos($line_a[1], $process) !== false){
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$result[$process] += floatval($line_a[0]);
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++$result_cnt[$process];
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}
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}
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}
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}
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echo "multigraph multicpu_pcpu\n";
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foreach($result as $process => $value) echo "$process.value $value\n";
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echo "multigraph multicpu_cnt\n";
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foreach($result_cnt as $process => $value) echo "$process.value $value\n";
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