Munin contributed plugins

#!/bin/sh

#

# Initial Version 1.0 2009/05/18 14:00:01 BANT

# Anzeige von FREE Memory mit dem TOP Befehl aus SUN OS

#

#%# family=manual

TOP=/usr/local/bin/top

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

        echo "graph_title  FREE Memory usage (in MB)"

	echo 'graph_category system'

        echo "free.label Free memory"

        exit 0

fi

# Linjen som grep'es ut kan se ut som dette:

#

# Memory: 16G phys mem, 6030M free mem, 32G swap, 32G free swap

$TOP -n -u | nawk '

function scale(value) {

  if (value ~ /G$/) { sub("G", "", value); value *= 1024 }

  else if (value ~ /M$/) sub("M", "", value)

  else if (value ~ /K$/) { sub("K", "", value); value /= 1024 }

  else value /= 1024 * 1024;

  return value;

}

/^Memory/ {

  free  = scale($5);

  print "free.value", free

}'