From cf0bc19b2baf92dbf01006376d34c712efc00e81 Mon Sep 17 00:00:00 2001
From: patpro <find_my_address@patpro.net>
Date: Fri, 26 Nov 2010 11:38:12 +0100
Subject: [PATCH] Initial version

---
 .../zfs-stats-for-freebsd-arc-utilization     | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100755 plugins/other/zfs-stats-for-freebsd-arc-utilization

diff --git a/plugins/other/zfs-stats-for-freebsd-arc-utilization b/plugins/other/zfs-stats-for-freebsd-arc-utilization
new file mode 100755
index 00000000..a3431db0
--- /dev/null
+++ b/plugins/other/zfs-stats-for-freebsd-arc-utilization
@@ -0,0 +1,54 @@
+#!/bin/sh
+# -*- sh -*-
+#
+# $Id: zfs_arc_utilization 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 Size'
+    echo 'graph_args -l 0'
+    echo 'graph_vlabel Size in MB'
+    echo 'graph_category ZFS'
+    echo 'graph_info This graph shows the ARC Size utilization'
+
+/usr/local/bin/zfs-stats -A | awk 'BEGIN { RS = "" ; FS = "\n" } /^ARC Size/ {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" } /^ARC Size/ {print}' | \
+sed -e 's,	,,' -e 's, ,_,g' -e 's,\._,__,' -e 's,_(.*):., ,' -e 's,	, ,g' -e 's,\([A-Za-z_]*\)  *[^ ]* \([0-9.]*\)M,\1.value \2,' | grep value