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contrib-munin/plugins/zfs/zfs-stats-for-freebsd-arc-efficiency

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2010-11-26 11:36:57 +01:00
#!/bin/sh
# -*- sh -*-
#
# $Id: zfs_arc_efficiency 11 2010-11-25 07:10:14Z patpro $
#
# Parameters:
#
# config (required)
# autoconf (optional - used by munin-config)
#
# Magick markers (optional - used by munin-config and som installation
# scripts):
#%# family=auto
#%# capabilities=autoconf
export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
# autoconf
if [ "$1" = "autoconf" ]; then
# Is the zfs-stats executable there at least ?
if [ -x /usr/local/bin/zfs-stats ]; then
if /usr/local/bin/zfs-stats -p > /dev/null 2>&1; then
echo yes
exit 0
else
echo "no"
exit 0
fi
else
echo "no (no /usr/local/bin/zfs-stats executable)"
exit 0
fi
fi
# config
if [ "$1" = "config" ]; then
echo 'graph_title ZFS ARC Efficiency'
echo 'graph_args -l 0'
echo 'graph_vlabel %'
echo 'graph_category fs'
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echo 'graph_info This graph shows the ARC Efficiency'
/usr/local/bin/zfs-stats -A | awk 'BEGIN { RS = "" ; FS = "\n" } /Efficiency/ {print}' | \
awk '/^\t.*%/ {sub("\t","");sub(/:.*/,""); displayname = $0; gsub(/[ .]/,"_",$0); print $0".label "displayname"\n"$0".min 0"}'
exit 0
fi
# This is the main part of the script, basically it calls
# /usr/local/bin/zfs-stats and processes its output
/usr/local/bin/zfs-stats -A | awk 'BEGIN { RS = "" ; FS = "\n" } /Efficiency/ {print}' | \
awk '/^\t.*%/ {sub("\t","");sub(/:/,""); gsub(/[ .]/,"_",$0); sub(/%/,""); sub(/_/,".",$2); print $1".value "$2}'