#!/bin/sh
#
# Plugin to monitor swap IO in number of blocks per second.
#
# Parameters:
#
# 	config   (required)
# 	autoconf (optional - used by munin-config)
#
# $Log$
# Revision 1.5.2.2  2005/01/28 16:24:22  lupe
# Minor corrections
#
# Revision 1.5.2.1  2005/01/28 14:51:22  lupe
# Add graph_info and some filed.info
#
# Revision 1.5  2004/12/10 10:47:49  jimmyo
# Change name from ${scale} to ${graph_period}, to be more consistent.
#
# Revision 1.4  2004/12/09 22:12:56  jimmyo
# Added "graph_period" option, to make "graph_sums" usable.
#
# Revision 1.3  2004/11/21 00:16:56  jimmyo
# Changed a lot of plugins so they use DERIVE instead of COUNTER.
#
# Revision 1.2  2004/05/20 19:02:36  jimmyo
# Set categories on a bunch of plugins
#
# 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 1.4  2003/11/07 22:12:50  jimmyo
# Changed deprecated plugin options
#
# Revision 1.3  2003/11/07 17:43:16  jimmyo
# Cleanups and log entries
#
#
#
# Magic markers (used by munin-config and some installation scripts (i.e.
# optional)):
#%# family=auto
#%# capabilities=autoconf



if [ "$1" = "autoconf" ]; then
    if [ -x /sbin/sysctl ]; then
        /sbin/sysctl vm.stats.vm.v_swappgsin > /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

	echo 'graph_title Swap in/out'
	echo 'graph_args -l 0 --base 1000'
	echo 'graph_vlabel pages per ${graph_period} in (-) / out (+)'
	echo 'graph_category system'
	echo 'graph_info This graph shows the swap activity of the system.'
	echo 'swap_in.label swap'
	echo 'swap_in.type DERIVE'
	echo 'swap_in.min 0'
	echo 'swap_in.max 100000'
	echo 'swap_in.graph no'
	echo 'swap_out.label swap'
	echo 'swap_out.type DERIVE'
	echo 'swap_out.min 0'
	echo 'swap_out.max 100000'
	echo 'swap_out.negative swap_in'
	exit 0
fi

#awk '/swap/ { print "swap_in.value " $2 "\nswap_out.value " $3 }' < /proc/stat 
echo -n 'swap_in.value '
/sbin/sysctl -n vm.stats.vm.v_swappgsin
echo -n 'swap_out.value '
/sbin/sysctl -n vm.stats.vm.v_swappgsout