85 lines
1.7 KiB
Bash
Executable File
85 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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#
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# Plugin to monitor CPU usage, for a selected set of processes. Tested on FreeBSD.
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#
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# Author: Erik Cederstrand
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# Based on http://waste.mandragor.org/munin_tutorial/cpubyuser
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# Thanks to Yann Hamon.
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#
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# Usage: Place in /usr/local/etc/munin/plugins/ (or link it there using ln -s)
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# Add this to your /ur/local/etc/munin/plugin-conf.d/plugins.conf:
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# [cpubyproc]
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# env.procs httpd java
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#
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# httpd and java being a list of the processes to monitor.
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#
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# Parameters understood:
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#
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# config (required)
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# autoconf (optional - used by munin-config)
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#
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#%# family=auto
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#%# capabilities=autoconf
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procs=${procs:-}
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if [ "$1" = "autoconf" ] ; then
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if [ -n "$procs" ] ; then
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echo "yes"
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else
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echo "no (environment variable 'procs' is not defined)"
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fi
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exit
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fi
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if [ "$1" = "config" ] ; then
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echo "graph_args --base 1000 -r --lower-limit 0"
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echo "graph_title CPU usage, by process"
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echo "graph_category processes"
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echo "graph_info This graph shows CPU usage, for monitored processes."
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echo 'graph_vlabel %'
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echo 'graph_scale no'
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echo 'graph_period second'
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echo "graph_order $procs"
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FIRSTPROC=1
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for proc in $procs; do
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echo "${proc}.label $proc"
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echo "${proc}.info CPU used by process $proc"
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echo "${proc}.type GAUGE"
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if [ $FIRSTPROC -eq 1 ] ; then
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echo "${proc}.draw AREA"
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export FIRSTPROC=0
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else
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echo "${proc}.draw STACK"
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fi
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done
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exit
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fi
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for proc in $procs ; do {
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ps axo 'pcpu,comm' | grep "$proc" | awk '
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BEGIN {
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FS=" "
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CPU_PROC=0
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}
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{
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CPU_PROC+=$0
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}
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END {
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print "'"$proc"'.value "CPU_PROC
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}'
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}
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done
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