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|
#!/bin/sh
#
# Plugin to monitor CPU usage.
#
# Usage: Place in /etc/munin/node.d/ (or link it there using ln -s)
#
# Parameters understood:
#
# config (required)
# autoconf (optional - used by munin-config)
#
# $Log$
# Revision 1.8.2.3 2005/02/03 13:28:50 lupe
# correct field.info
#
# Revision 1.8.2.2 2005/01/28 14:51:22 lupe
# Add graph_info and some filed.info
#
# Revision 1.10 2005/01/28 14:47:31 lupe
# Add graph_info and some filed.info
#
# Revision 1.9 2005/01/25 08:48:28 lupe
# Correct multi-CPU bugs
#
# Revision 1.8.2.1 2005/01/25 09:22:52 lupe
# Correct multi-CPU bugs
#
# Revision 1.8 2004/12/09 22:12:55 jimmyo
# Added "graph_period" option, to make "graph_sums" usable.
#
# Revision 1.7 2004/11/28 09:43:54 lupe
# 6-CURRENT support
#
# Revision 1.6 2004/11/21 00:16:56 jimmyo
# Changed a lot of plugins so they use DERIVE instead of COUNTER.
#
# Revision 1.5 2004/05/20 19:02:36 jimmyo
# Set categories on a bunch of plugins
#
# Revision 1.4 2004/05/09 19:18:35 jimmyo
# Added support for scaleto100-parameter (patch from Lupe Christoph).
#
# Revision 1.3 2004/02/18 16:39:36 jimmyo
# Turned off scaling of values for cpu-graphs (no more nano-percentages).
#
# Revision 1.2 2004/02/01 18:59:54 lupe
# FreeBSD 5 compatibility.
#
# Revision 1.1 2004/01/02 18:50:00 jimmyo
# Renamed occurrances of lrrd -> munin
#
# Revision 1.1.1.1 2004/01/02 15:18:07 jimmyo
# Import of LRRD CVS tree after renaming to Munin
#
# Revision 1.3 2003/11/07 17:43:16 jimmyo
# Cleanups and log entries
#
#
#
# Magic markers - optional - used by installation scripts and
# munin-config:
#
#%# family=auto
#%# capabilities=autoconf
if [ "$1" = "autoconf" ]; then
if [ -x /sbin/sysctl ]; then
/sbin/sysctl kern.cp_time > /dev/null
if [ $? = "0" ]; then
echo yes
exit 0
else
echo no
exit 1
fi
else
echo no
exit 1
fi
fi
if [ "$1" = "config" ]; then
OSV=`/sbin/sysctl -n kern.osrelease | cut -f1 -d.`
if [ "$OSV" = "4" ]; then
STATUNITS=`/sbin/sysctl -n kern.clockrate | cut -f16 -d' '`
elif [ "$OSV" -ge "5" ]; then
STATUNITS=`/sbin/sysctl -n kern.clockrate | cut -f13 -d' '`
fi
PERCENT=`/sbin/sysctl -n hw.ncpu | awk '{print ($1)*100}'`
NCPU=`/sbin/sysctl -n hw.ncpu`
if [ "$scaleto100" = yes ]; then
CDEF="$STATUNITS,/,100,*,$NCPU,/"
PERCENT=100
else
CDEF="$STATUNITS,/,100,*"
PERCENT=$(($NCPU*100))
fi
# SYSWARNING=$PERCENT*30/100
# SYSCRITICAL=$PERCENT*50/100
# INTWARNING=$PERCENT*80/100
# USRWARNING=$PERCENT*80/100
echo 'graph_title CPU usage'
echo 'graph_order system interrupt user nice idle'
echo "graph_args --base 1000 -r --lower-limit 0 --upper-limit $PERCENT "
echo 'graph_vlabel %'
echo 'graph_scale no'
echo 'graph_info This graph shows how CPU time is spent.'
echo 'graph_category system'
echo 'graph_period second'
echo 'system.label system'
echo 'system.draw AREA'
echo 'system.max 5000'
echo 'system.type DERIVE'
echo 'system.min 0'
# echo "system.warning $SYSWARNING"
# echo "system.critical $SYSCRITICAL"
echo 'system.info CPU time spent by the kernel in system activities'
echo "system.cdef system,$CDEF"
echo 'interrupt.label interrupt'
echo 'interrupt.draw STACK'
echo 'interrupt.max 5000'
# echo "interrupt.warning $INTWARNING"
echo 'interrupt.type DERIVE'
echo 'interrupt.min 0'
echo 'interrupt.info CPU time spent by the kernel processing interrupts'
echo "interrupt.cdef interrupt,$CDEF"
echo 'user.label user'
echo 'user.draw STACK'
echo 'user.max 5000'
# echo "user.warning $USRWARNING"
echo 'user.type DERIVE'
echo 'user.info CPU time spent by normal programs and daemons'
echo 'user.min 0'
echo "user.cdef user,$CDEF"
echo 'nice.label nice'
echo 'nice.draw STACK'
echo 'nice.max 5000'
echo 'nice.type DERIVE'
echo 'nice.info CPU time spent by nice(1)d programs'
echo 'nice.min 0'
echo "nice.cdef nice,$CDEF"
echo 'idle.label idle'
echo 'idle.draw STACK'
echo 'idle.max 5000'
echo 'idle.type DERIVE'
echo 'idle.info Idle CPU time'
echo 'idle.min 0'
echo "idle.cdef idle,$CDEF"
exit 0
fi
/sbin/sysctl kern.cp_time | awk '{ print "user.value " $2 "\nnice.value " $3 "\nsystem.value " $4 "\ninterrupt.value " $5 "\nidle.value " $6 }'
|
