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contrib-munin/plugins/vserver/vserver_jiffies
2012-02-13 18:24:46 +01:00

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#!/bin/bash
#
# Created by Jan Rękorajski <baggins@pld-linux.org> based on vserver_cpu_ plugin.
#
# Graph Vserver cumulative cpu usage stats
#
# Configuration variables
# vservers - specify the vservers to include in the graph (default: all)
#
# NOTE: If no configuration variable is set, the default will be used
#
# see vserver_resources for example uses of configuration files
VSERVERS="$vservers"
INFO=(`sed 's/.*:\t//' /proc/virtual/info 2>/dev/null || echo '<none>'`)
KCIN="$[ 16#${INFO[2]} ]";
# If this is 1, then VCI_SPACES is present in the kernel (new in 2.6.19)
if [ $[ (KCIN >> 10) & 1 ] -eq 1 ]
then
NAMELOC="nsproxy"
else
NAMELOC="cvirt"
fi
if [ -z "$VSERVERS" ] ; then
XIDS=`find /proc/virtual/* -type d -exec basename {} \;`
else
# it's really more performant to specify vservers by ids or by linking but not in the configuration-file by name
XIDS=""
for i in $VSERVERS ; do
if [ -d /proc/virtual/$i ] ; then
XIDS="${XIDS}${i} "
else
for j in `find /proc/virtual/* -type d -exec basename {} \;` ; do
if [ "$i" = "`cat /proc/virtual/$j/$NAMELOC |grep NodeName |cut -f2`" ] ; then
XIDS="${XIDS}${j} "
fi
done
fi
done
fi
if [ "$1" = "config" ]; then
echo 'graph_category vserver'
echo 'graph_args --base 1000'
echo 'graph_title Vserver cpu usage'
echo 'graph_vlabel jiffies used per ${graph_period}'
echo 'graph_info Shows jiffies used on each vserver.'
for i in $XIDS ; do
LABEL=`grep NodeName /proc/virtual/$i/$NAMELOC | cut -f2`
NAME=`echo $LABEL | tr '-' '_'`
echo "${NAME}_hold.label on hold for cpu on $LABEL"
echo "${NAME}_hold.info on hold for cpu on $LABEL."
echo "${NAME}_hold.type COUNTER"
echo "${NAME}_scpu.label system cpu usage for $LABEL"
echo "${NAME}_scpu.info system cpu usage for $LABEL."
echo "${NAME}_scpu.type COUNTER"
echo "${NAME}_ucpu.label user cpu usage for $LABEL"
echo "${NAME}_ucpu.info user cpu usage for $LABEL."
echo "${NAME}_ucpu.type COUNTER"
done
exit 0
fi
for i in $XIDS ; do
NAME=`grep NodeName /proc/virtual/$i/$NAMELOC | cut -f2 | tr '-' '_'`
awk -v name=$NAME -v u=0 -v s=0 -v h=0 '
/^cpu [0-9]+:/ { u+=$3; s+=$4; h+=$5}
END {
print name "_hold.value " h
print name "_scpu.value " s
print name "_ucpu.value " u
}' /proc/virtual/$i/sched
done