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#!/bin/bash
#
# Munin plugin for monitoring Nginx working set
#
# by Mike Koss, Feb 12, 2012 - MIT License
#
#%# family=auto
#%# capabilities=autoconf
case $1 in
config)
cat <<'EOF'
graph_title NGINX Working Set
graph_vlabel WS Bytes
graph_category nginx
graph_args --base 1024
ws.label Working Set
EOF
exit 0
;;
autoconf)
if [ "$(pidof nginx)" == "" ]; then
echo no
else
echo yes
fi
exit 0
;;
esac
KBS=$(ps -o rss --no-heading -p $(pidof nginx))
total=0
for size in $KBS
do
total=$(($total + $size * 1024))
done
echo ws.value $total