#!/bin/sh
#
# (c) 2010, Rodrigo Sieiro <rsieiro@gmail.com>
# Based on the 'du_multidirs' plugin, written by Christian Kujau <lists@nerdbynature.de>
#
# Configure it by using the processes env var, i.e.:
#
# [proc_mem]
# env.processes         munin-node apache2
#

. $MUNIN_LIBDIR/plugins/plugin.sh

if [ "$1" = "autoconf" ]; then
        echo yes
        exit 0
fi

processes=${processes:="munin-node"}

if [ "$1" = "config" ]; then
        echo 'graph_title Memory usage by process'
        echo 'graph_args --base 1024 -l 0'
        echo 'graph_vlabel Bytes'
        echo 'graph_category processes'
        echo 'graph_info This graph shows the memory usage of several processes'

        for proc in $processes; do
                echo "$proc.label $proc"
        done

#       echo "$u".warning 0
#       echo "$u".critical 0

        exit 0
fi

for proc in $processes; do
        echo "$proc.value " `ps u -C $proc | awk 'BEGIN { sum = 0 } NR > 1 { sum += $6 }; END { print sum * 1024 }'`
done