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contrib-munin/plugins/lxc/lxc_cpu_time

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#!/bin/bash
# -*- sh -*-
: << =cut
=head1 NAME
lxc_cpu_time - Plugin to monitor LXC CPU time usage
=head1 CONFIGURATION
[lxc_*]
user root
=head1 INTERPRETATION
This plugin needs root privilege.
=head1 AUTHOR
vajtsz vajtsz@gmail.com
mitty mitty@mitty.jp
=head1 LICENSE
Unknown license
=head1 MAGIC MARKERS
#%# family=auto
#%# capabilities=autoconf
=cut
. $MUNIN_LIBDIR/plugins/plugin.sh
guest_names=`lxc-ls | sort -u`
for guest in $guest_names; do
if lxc-info -n $guest 2>&1 | grep -qs RUNNING ; then
active="$active $guest"
fi
done
guest_names="$active"
f_comm='lxc-cgroup '
if [ "$1" = "autoconf" ]; then
if [ -r /proc/stat ]; then
echo yes
exit 0
else
echo "no (no /proc/stat)"
exit 0
fi
fi
if [ "$1" = "config" ]; then
echo 'graph_title CPU time '
echo 'graph_args -l 0 --base 1000'
echo 'graph_vlabel nanosec'
echo 'graph_category lxc'
for guest_name in $guest_names;
do
guest="$(clean_fieldname $guest_name)"
echo 'cpu_time_'$guest'.label '$guest_name': CPU time'
echo 'cpu_time_'$guest'.type DERIVE'
echo 'cpu_time_'$guest'.min 0'
done
exit 0
fi
for guest_name in $guest_names;
do
guest="$(clean_fieldname $guest_name)"
tmp_g=`$f_comm -n $guest_name cpuacct.usage `
echo 'cpu_time_'$guest'.value '$tmp_g
done