Munin plugin for monitoring memory usage based on process id's

proc_mem_pid

#!/bin/sh
#
# (c) 2015, Andrew Crookston <andrew@caoos.com>
# Licence: GPLv2
#
# Configure it by using the pidfiles env. Format: name:pidfile name:pidfile. e.g.:
#
# [proc_mem_pid]
# env.pidfiles munin-node:/var/run/munin/munin-node.pid
#

. $MUNIN_LIBDIR/plugins/plugin.sh

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

pidfiles=${pidfiles:="munin-node:/var/run/munin/munin-node.pid"}

if [ "$1" = "config" ]; then
    echo 'graph_title Memory usage by process id'
    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 $pidfiles; do
        name=${proc%:*}
        echo "$name.label $name"
    done

    exit 0
fi

for proc in $pidfiles; do
    name=${proc%:*}
    pid=`cat ${proc#*:}`
    echo "$name.value " `ps up $pid | awk 'BEGIN { sum = 0 } NR > 1 { sum += $6 }; END { print sum * 1024 }'`
done

Hi acrookston.
I can run it on terminal, but can't put it on munin graphs.

can you help me plz?