Munin contributed plugins

#!/bin/sh

#

# Copyright (C) 2006 Jens Schanz

#

# Plugin to monitor the consumed CPU cycles of an uncapped LPAR

# on a power5 system for linux

#

# Parameters:

#

#       config   (required)

#       autoconf (optional - used by munin-config)

#

# $Log: lop5-consumed_cpu_cycles.sh,v $

# Revision 1.1  2006/12/08 10:08:33  schanz

# *** empty log message ***

#

#

# Revision 1.0  20.11.2006 - first build

#

# If you have any suggestions, questions, or enhancements, feel free to email

# me at mail@jensschanz.de

#

# Let's go ...

#

# Magick markers (optional - used by munin-config and some installation

# scripts):

#%# family=auto

#%# capabilities=autoconf

LPARCFG=/proc/ppc64/lparcfg

STATEFILE=$MUNIN_PLUGSTATE/power5-consumed_cpu_cycles.state

# check input parameters

if [ "$1" = "autoconf" ]; then

	echo yes

	exit 0

fi

if [ "$1" = "config" ]; then

	echo 'graph_title Consumed CPU cycles'

	echo 'graph_args -l 0'

	echo 'graph_category cpu'

	echo 'graph_vlabel CPU cycles'

	echo 'graph_info This graph shows the CPU cycles on an uncapped LPAR'

	echo 'cpuCycles.label used CPU cycles'

	exit 0

fi

# let's do the main job

# get cpus in partition

unset LANG

# get actual time

ACTUALTIME=`date +%s`;

# get old time

if [ -f $STATEFILE ]; then

	OLDTIME=`cat $STATEFILE | grep OLDTIME | awk -F = '{print $2}'`;

else

	echo "OLDTIME = $ACTUALTIME" > $STATEFILE;

	OLDTIME=$ACTUALTIME;

fi

# get timebase

TIMEBASE=`cat /proc/cpuinfo | grep timebase | awk -F : '{print $2}'`;

# get actual purr

ACTUALPURR=`cat $LPARCFG| grep purr | awk -F = '{print $2}'`;

# get old purr

if [ -f $STATEFILE ]; then

	OLDPURR=`cat $STATEFILE | grep OLDPURR | awk -F = '{print $2}'`;

else

	echo "OLDPURR = $ACTUALPURR" >> $STATEFILE;

	OLDPURR=$ACTUALPURR;

fi

# calculate CPU cycles

CPUCYCLES=$(echo $OLDPURR $ACTUALPURR $TIMEBASE $OLDTIME $ACTUALTIME | awk '{printf ("%.1f", (($1-$2)/$3)/($4-$5));}');

# write data to state file

echo "OLDTIME = $ACTUALTIME" > $STATEFILE;

echo "OLDPURR = $ACTUALPURR" >> $STATEFILE;

echo "cpuCycles.value $CPUCYCLES"