#!/bin/sh

# Graphs the number of running and waiting jobs, as well as when they
# are submitted.
#
# Tested with Son of Gridengine.

if [ "$1" = "config" ]
then
	echo graph_title SGE gridengine jobs
	echo graph_vlabel count
	echo graph_category processes
	echo running.label Running jobs
	echo running.type GAUGE
	echo running.draw AREA
	echo waiting.label Queued jobs
	echo waiting.type GAUGE
	echo waiting.draw STACK
	echo maxnum.label Submitted jobs
	echo maxnum.type DERIVE
	echo maxnum.draw LINE2
	echo maxnum.min 0

	exit 0
fi

SGE_SETTINGS=${SGE_SETTINGS:-/opt/sge/default/common/settings.sh}

. $SGE_SETTINGS

qstat -u '*' | awk '
	BEGIN{maxnum = 0; running = 0; waiting = 0}
	/^ /{
		maxnum = (maxnum > $1 ? maxnum : $1);
		if ( $5 == "r" ) {
			running += 1;
		} else {
			waiting += 1;
		}
	}
	END { printf("running.value %d\nwaiting.value %d\nmaxnum.value %d\n", running, waiting, maxnum); }'