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55 lines
1.7 KiB
Bash
Executable File
55 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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# -*- sh -*-
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#
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# $Id: zfs_dmu_prefetch 11 2010-11-25 07:10:14Z patpro $
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#
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# Parameters:
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#
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# config (required)
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# autoconf (optional - used by munin-config)
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#
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# Magick markers (optional - used by munin-config and som installation
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# scripts):
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#%# family=auto
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#%# capabilities=autoconf
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export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
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# autoconf
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if [ "$1" = "autoconf" ]; then
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# Is the zfs-stats executable there at least ?
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if [ -x /usr/local/bin/zfs-stats ]; then
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if /usr/local/bin/zfs-stats -p > /dev/null 2>&1; then
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echo yes
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exit 0
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else
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echo "no"
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exit 0
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fi
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else
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echo "no (no /usr/local/bin/zfs-stats executable)"
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exit 0
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fi
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fi
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# config
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if [ "$1" = "config" ]; then
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echo 'graph_title ZFS DMU prefech stats'
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echo 'graph_args --upper-limit 100 -l -100'
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echo 'graph_vlabel %'
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echo 'graph_category fs'
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echo 'graph_info This graph shows the DMU prefech stats'
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/usr/local/bin/zfs-stats -Z | awk '/Hit Ratio/ {sub(/[\t ]*/,"");sub(/:.*/,""); displayname = $0; gsub(/[ .]/,"_",$0); print $0".label "displayname"\n"$0".min 0"}'
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/usr/local/bin/zfs-stats -Z | awk '/Miss Ratio/ {sub(/[\t ]*/,"");sub(/:.*/,""); displayname = $0; gsub(/[ .]/,"_",$0); print $0".label "displayname"\n"$0".min -100"}'
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exit 0
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fi
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# This is the main part of the script, basically it calls
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# /usr/local/bin/zfs-stats and processes its output
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/usr/local/bin/zfs-stats -Z | awk '/Hit Ratio/ {sub(/[\t ]*/,"");sub(/:/,""); gsub(/[ .]/,"_",$0); sub(/%/,""); sub(/_/,".",$2); print $1".value "$2}'
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/usr/local/bin/zfs-stats -Z | awk '/Miss Ratio/ {sub(/[\t ]*/,"");sub(/:/,""); gsub(/[ .]/,"_",$0); sub(/%/,""); sub(/_/,".",$2); print $1".value -"$2}'
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