vmstat

#!/usr/bin/bash
# -*- sh -*-

# =head1 NAME
#
# vmstat - Plugin to monitor the number of processes in io-sleep and
# other wait states.
#
# =head1 CONFIGURATION
#
# No configuration
#
# =head1 NOTES
#
# Uses the command "vmstat"
#
# =head1 AUTHOR
#
# Unknown author
#
# =head1 LICENSE
#
# GPLv2
#
# =head1 MAGIC MARKERS
#
#  #%# family=auto
#  #%# capabilities=autoconf

. $MUNIN_LIBDIR/plugins/plugin.sh

if [ "$1" = "autoconf" ]; then
	if ( vmstat 1 1 >/dev/null 2>&1 ); then
		echo yes
		exit 0
	else
		if [ $? -eq 127 ]; then
			echo "no (could not run \"vmstat\")"
			exit 0
		else
			echo no
			exit 0
		fi
	fi
fi

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

	echo 'graph_title VMstat'
	echo 'graph_args --base 1000 -l 0'
	echo 'graph_vlabel process states'
	echo 'graph_category processes'
	echo 'wait.label running'
	echo 'wait.type GAUGE'
	echo 'wait.max 500000'
	echo 'sleep.label I/O sleep'
	echo 'sleep.type GAUGE'
	echo 'sleep.max 500000'
	print_warning wait
	print_warning sleep
	print_critical wait
	print_critical sleep
	exit 0
fi

vmstat 1 2 | awk '{wait = $1; sleep = $2} END { print "wait.value " wait "\nsleep.value " sleep }'