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#!@@GOODSH@@
#
# 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: cpu.in,v $
# Revision 1.1.1.1 2006/06/04 20:53:57 he
# Import the client version of the Munin system monitoring/graphing
# tool -- project homepage is at http://munin.sourceforge.net/
#
# This package has added support for NetBSD, via a number of new plugin
# scripts where specific steps needs to be taken to collect information.
#
# I also modified the ntp_ plugin script to make it possible to not
# plot the NTP poll delay, leaving just jitter and offset, which IMO
# produces a more telling graph.
#
#
#
# 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 0
fi
else
echo no
exit 0
fi
fi
if [ "$1" = "config" ]; then
STATUNITS=`/sbin/sysctl -n kern.clockrate | cut -f15 -d' '`
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 (' $NCPU ' CPUs)'
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 '{
gsub(",", "");
split($0, a);
print "system.value " a[10];
print "interrupt.value " a[13];
print "user.value " a[4];
print "nice.value " a[7];
print "idle.value " a[16];
}'
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