Munin contributed plugins

#!/bin/sh

# -*- sh -*-

: << =cut

=head1 NAME

apache_threads -Indicate the memdium number of threads for all child process

=head1 CONFIGURATION

[apache_*]

env.apuser user_runnin_apache

env.binname apache_binary_name

=head1 AUTHOR

Ricardo Fraile <rfrail3@yahoo.es>

=head1 LICENSE

GPLv2

=head1 MAGICK MARKERS

 #%# family=auto

 #%# capabilities=autoconf

=cut

. $MUNIN_LIBDIR/plugins/plugin.sh

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

	echo yes

	exit 0

fi

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

	echo 'graph_title Medium number of threads for child process.'

	echo 'graph_args --base 1000 -l 0 '

	echo 'graph_vlabel Threads'

	echo 'graph_scale no'

	echo 'graph_category webserver'

	echo 'graph_info Indicate the memdium number of threads for all child process.'

        echo "threads.label threads"

        echo "threads.type GAUGE"

        echo "threads.min 0"

	exit 0

fi

SUM=0

COUNT=0

USR=$apuser

PROCS=$binname

# Catch process pid

VAL1=`ps auxf | grep ${PROCS} | grep ^${USR} | grep -v grep | awk '{print $2}' `

# Count pids

COUNT=`ps auxf | grep ${PROCS} | grep ^${USR} | grep -v grep | wc -l`

# Read threads per pid

for i in $VAL1; do

        VAL2="$VAL2 `cat /proc/$i/status | grep 'Threads:' | awk '{print $2}'`"

done

# Sun threads

for z in ${VAL2}; do

        SUM=`expr $SUM + $z`

done

echo "threads.value `echo $((SUM /  $COUNT))`"