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#!/bin/sh
#
# Plugin to monitor the number of forks per second on the machine.
#
# Parameters:
#
# config (required)
# autoconf (optional - used by munin-config)
#
# $Log$
# Revision 1.4.2.1 2005/01/11 10:43:31 ilmari
# fix info text to not contain the graph period
#
# Revision 1.4 2004/12/10 10:47:49 jimmyo
# Change name from ${scale} to ${graph_period}, to be more consistent.
#
# Revision 1.3 2004/12/09 22:12:56 jimmyo
# Added "graph_period" option, to make "graph_sums" usable.
#
# Revision 1.2 2004/11/21 00:01:18 jimmyo
# Moved the forks plugin to the processes category, where it belongs.
#
# Revision 1.1 2004/11/20 23:32:16 jimmyo
# Added new plugin linux/forks, to graph forks per second.
#
#
#
# Magick markers (optional - used by munin-config and som installation
# scripts):
#%# family=auto
#%# capabilities=autoconf
if [ "$1" = "autoconf" ]; then
if [ -r /proc/stat ]; then
echo yes
exit 0
else
echo "no (/proc/stat not readable)"
exit 1
fi
fi
if [ "$1" = "config" ]; then
echo 'graph_title Fork rate'
echo 'graph_args --base 1000 -l 0 '
echo 'graph_vlabel forks / ${graph_period}'
echo 'graph_category processes'
echo 'graph_info This graph shows the forking rate (new processes started).'
echo 'forks.label forks'
echo 'forks.type DERIVE'
echo 'forks.min 0'
echo 'forks.max 100000'
echo 'forks.info The number of forks per second.'
exit 0
fi
echo -n "forks.value "
awk '/processes/ {print $2}' /proc/stat
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