mirror of
https://github.com/munin-monitoring/contrib.git
synced 2018-11-08 00:59:34 +01:00
Stig Sandbeck Mathisen
commit
2fa45511c6
91
plugins/zfs/zfs_list
Executable file
91
plugins/zfs/zfs_list
Executable file
@ -0,0 +1,91 @@
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#!/bin/bash
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#
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# Plugin to monitor ZFS Filesystems
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# Author: Adam Michel (elfurbe@furbism.com)
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# Description:
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# This is an extension of the zfs_fs plugin
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# modified as a multigraph to graph all zfs
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# filesystems it can find
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#
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# Tested on Ubuntu-14.04
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#
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# Parameters understood:
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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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#%# family=auto
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need_multigraph()
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if [ "$1" = "autoconf" ]; then
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# Makes little sense to autoconf if you can't suggest
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echo no
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exit 0
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fi
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if [ "$1" = "suggest" ]; then
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exit 0
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fi
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if [ "$1" = "config" ]; then
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for i in `zfs list -Hp | awk '{print $1}'`; do
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values=( $(zfs get -p usedbydataset,usedbychildren,usedbysnapshots,usedbyrefreservation,available,quota $i | awk 'BEGIN {total=0;} { if( NR==1 ) next; } !/quota/ {total=total+$3;} {print $3} END{print total;}') )
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fsname=`echo $i | sed 's/\//__/g'`
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echo <<EOF "multigraph zfs_list_$fsname
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graph_title $fsname usage
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graph_order usedbydataset usedbychildren usedbysnapshots usedbyrefreservation available total quota
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graph_args --base 1024 -r -l 0 --vertical-label Bytes --upper-limit ${values[6]}
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graph_info This graph shows how is used a zfs filesystems.
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graph_category filesystem
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graph_period second
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usedbydataset.label UsedByDataset
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usedbydataset.draw AREA
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usedbydataset.info Used space by Dataset
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usedbydataset.colour FF0000
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usedbychildren.label UsedByChildren
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usedbychildren.draw STACK
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usedbychildren.info Used space by children
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usedbychildren.colour FFCC33
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usedbysnapshots.label UsedBySnapshots
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usedbysnapshots.draw STACK
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usedbysnapshots.info Used space by snapshot
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usedbysnapshots.colour 0000FF
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usedbyrefreservation.label Usedbyrefreservation
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usedbyrefreservation.draw STACK
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usedbyrefreservation.info Used space by Ref Reservation
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usedbyrefreservation.colour 33CCFF
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available.label Available
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available.draw STACK
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available.info Free space
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available.colour 00FF00
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total.label Total
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total.draw LINE1
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total.info Total
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total.colour 000000
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quota.label Quota
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quota.draw LINE1
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quota.info Quota
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quota.colour 555555"
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EOF
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done
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exit 0
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fi
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for i in `zfs list -Hp | awk '{print $1}'`; do
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values=( $(zfs get -p usedbydataset,usedbychildren,usedbysnapshots,usedbyrefreservation,available,quota $i | awk 'BEGIN {total=0;} { if( NR==1 ) next; } !/quota/ {total=total+$3;} {print $3} END{print total;}') )
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fsname=`echo $i | sed 's/\//__/g'`
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echo <<EOF "multigraph zfs_list_$fsname
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usedbydataset.value ${values[0]}
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usedbysnapshots.value ${values[2]}
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usedbychildren.value ${values[1]}
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usedbyrefreservation.value ${values[3]}
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available.value ${values[4]}
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total.value ${values[6]}
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quota.value ${values[5]}"
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EOF
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done
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exit 0
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@ -1,330 +0,0 @@
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#!/bin/sh
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# ZFS statistics for ZFSonLinux
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# Author: Adam Michel (elfurbe@furbism.com)
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#
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# Description:
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# This is a modification of the zfs_stats
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# plugin by David Bjornsson (which was a
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# rewrite of zfs-stats-for-freebsd scripts
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# by patpro) modified to work with ZFSonLinux.
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#
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# Tested on Ubuntu-14.04
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#
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# Usage: zfs_stats_FUNCTION
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#
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# Available functions:
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# efficiency - ARC efficiency
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# cachehitlist - Cache hit by cache list
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# cachehitdtype - Cache hit by data type
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# dmuprefetch - DMU prefetch
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# utilization - ARC size breakdown
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# l2utilization - L2ARC size breakdown
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# l2efficiency - L2ARC efficiency
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#
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#%# family=auto
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FUNCTION=$(basename $0 | cut -d_ -f3)
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MEMMAX=`cat /proc/meminfo | grep MemTotal | awk '{print $2}'`
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BC='/usr/bin/bc -q'
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ARCSTATS="/proc/spl/kstat/zfs/arcstats"
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ZFETCHSTATS="/proc/spl/kstat/zfs/zfetchstats"
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ARC_HITS=`cat $ARCSTATS | grep ^hits | awk '{print $3}'`
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ARC_MISSES=`cat $ARCSTATS | grep ^misses | awk '{print $3}'`
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DEMAND_DATA_HITS=`cat $ARCSTATS | grep ^demand_data_hits | awk '{print $3}'`
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DEMAND_DATA_MISSES=`cat $ARCSTATS | grep ^demand_data_misses | awk '{print $3}'`
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DEMAND_METADATA_HITS=`cat $ARCSTATS | grep ^demand_metadata_hits | awk '{print $3}'`
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DEMAND_METADATA_MISSES=`cat $ARCSTATS | grep ^demand_metadata_misses | awk '{print $3}'`
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MFU_GHOST_HITS=`cat $ARCSTATS | grep ^mfu_ghost_hits | awk '{print $3}'`
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MFU_HITS=`cat $ARCSTATS | grep ^mfu_hits | awk '{print $3}'`
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MRU_GHOST_HITS=`cat $ARCSTATS | grep ^mru_ghost_hits | awk '{print $3}'`
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MRU_HITS=`cat $ARCSTATS | grep ^mru_hits | awk '{print $3}'`
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PREFETCH_DATA_HITS=`cat $ARCSTATS | grep ^prefetch_data_hits | awk '{print $3}'`
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PREFETCH_DATA_MISSES=`cat $ARCSTATS | grep ^prefetch_data_misses | awk '{print $3}'`
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PREFETCH_METADATA_HITS=`cat $ARCSTATS | grep ^prefetch_metadata_hits | awk '{print $3}'`
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PREFETCH_METADATA_MISSES=`cat $ARCSTATS | grep ^prefetch_metadata_misses | awk '{print $3}'`
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DMU_HITS=`cat $ZFETCHSTATS | grep ^hits | awk '{print $3}'`
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DMU_MISSES=`cat $ZFETCHSTATS | grep ^misses | awk '{print $3}'`
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SIZE=`cat $ARCSTATS | grep ^size | awk '{print $3}'`
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MRU_SIZE=`cat $ARCSTATS | grep ^p\ | awk '{print $3}'`
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MAX_SIZE=`cat $ARCSTATS | grep ^c_max | awk '{print $3}'`
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MIN_SIZE=`cat $ARCSTATS | grep ^c_min | awk '{print $3}'`
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TARGET_SIZE=`cat $ARCSTATS | grep ^c\ | awk '{print $3}'`
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L2_SIZE=`cat $ARCSTATS | grep ^l2_size | awk '{print $3}'`
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L2_HDR_SIZE=`cat $ARCSTATS | grep ^l2_hdr_size | awk '{print $3}'`
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L2_HITS=`cat $ARCSTATS | grep ^l2_hits | awk '{print $3}'`
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L2_MISSES=`cat $ARCSTATS | grep ^l2_misses | awk '{print $3}'`
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#
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# Calculation macros
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#
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ANON_HITS=`echo "$ARC_HITS-($MFU_HITS+$MRU_HITS+$MFU_GHOST_HITS+$MRU_GHOST_HITS)" | $BC`
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ARC_ACCESSES_TOTAL=`echo "$ARC_HITS+$ARC_MISSES" | $BC`
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DEMAND_DATA_TOTAL=`echo "$DEMAND_DATA_HITS+$DEMAND_DATA_MISSES" | $BC`
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PREFETCH_DATA_TOTAL=`echo "$PREFETCH_DATA_HITS+$PREFETCH_DATA_MISSES" | $BC`
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REAL_HITS=`echo "$MFU_HITS+$MRU_HITS" | $BC`
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if [ $ARC_ACCESSES_TOTAL != 0 ]; then
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CACHE_HIT_RATIO_PERC=`echo "scale=2 ; (100*$ARC_HITS/$ARC_ACCESSES_TOTAL)" | $BC`
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CACHE_MISS_RATIO_PERC=`echo "scale=2 ; (100*$ARC_MISSES/$ARC_ACCESSES_TOTAL)" | $BC`
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ACTUAL_HIT_RATIO_PERC=`echo "scale=2 ; (100*$REAL_HITS/$ARC_ACCESSES_TOTAL)" | $BC`
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else
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CACHE_HIT_RATIO_PERC=0
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CACHE_MISS_RATIO_PERC=0
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ACTUAL_HIT_RATIO_PERC=0
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fi
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if [ $DEMAND_DATA_TOTAL != 0 ]; then DATA_DEMAND_EFFICIENCY_PERC=`echo "scale=2 ; (100*$DEMAND_DATA_HITS/$DEMAND_DATA_TOTAL)" | $BC`; else DATA_DEMAND_EFFICIENCY_PERC=0; fi
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if [ $PREFETCH_DATA_TOTAL != 0 ]; then DATA_PREFETCH_EFFICENCY_PERC=`echo "scale=2 ; (100*$PREFETCH_DATA_HITS/$PREFETCH_DATA_TOTAL)" | $BC`; else DATA_PREFETCH_EFFICENCY_PERC=0; fi
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if [ $ARC_HITS != 0 ]; then
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ANONYMOUSLY_USED_PERC=`echo "scale=2 ; (100*$ANON_HITS/$ARC_HITS)" | $BC`
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MOST_RECENTLY_USED_PERC=`echo "scale=2 ; (100*$MRU_HITS/$ARC_HITS)" | $BC`
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MOST_FREQUENTLY_USED_PERC=`echo "scale=2 ; (100*$MFU_HITS/$ARC_HITS)" | $BC`
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MOST_RECENTLY_USED_GHOST_PERC=`echo "scale=2 ; (100*$MRU_GHOST_HITS/$ARC_HITS)" | $BC`
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MOST_FREQUENTLY_USED_GHOST_PERC=`echo "scale=2 ; (100*$MFU_GHOST_HITS/$ARC_HITS)" | $BC`
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DEMAND_DATA_HIT_PERC=`echo "scale=2 ; (100*$DEMAND_DATA_HITS/$ARC_HITS)" | $BC`
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PREFETCH_DATA_HIT_PERC=`echo "scale=2 ; (100*$PREFETCH_DATA_HITS/$ARC_HITS)" | $BC`
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DEMAND_METADATA_HIT_PERC=`echo "scale=2 ; (100*$DEMAND_METADATA_HITS/$ARC_HITS)" | $BC`
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PREFETCH_METADATA_HIT_PERC=`echo "scale=2 ; (100*$PREFETCH_METADATA_HITS/$ARC_HITS)" | $BC`
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else
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ANONYMOUSLY_USED_PERC=0
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MOST_RECENTLY_USED_PERC=0
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MOST_FREQUENTLY_USED_PERC=0
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MOST_RECENTLY_USED_GHOST_PERC=0
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MOST_FREQUENTLY_USED_GHOST_PERC=0
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DEMAND_DATA_HIT_PERC=0
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PREFETCH_DATA_HIT_PERC=0
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DEMAND_METADATA_HIT_PERC=0
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PREFETCH_METADATA_HIT_PERC=0
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fi
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if [ $ARC_MISSES != 0 ]; then
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PREFETCH_METADATA_MISSES_PERC=`echo "scale=2 ; (100*$PREFETCH_METADATA_MISSES/$ARC_MISSES)" | $BC`
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DEMAND_DATA_MISS_PERC=`echo "scale=2 ; (100*$DEMAND_DATA_MISSES/$ARC_MISSES)" | $BC`
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PREFETCH_DATA_MISS_PERC=`echo "scale=2 ; (100*$PREFETCH_DATA_MISSES/$ARC_MISSES)" | $BC`
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DEMAND_METADATA_MISS_PERC=`echo "scale=2 ; (100*$DEMAND_METADATA_MISSES/$ARC_MISSES)" | $BC`
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else
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PREFETCH_METADATA_MISSES_PERC=0
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DEMAND_DATA_MISS_PERC=0
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PREFETCH_DATA_MISS_PERC=0
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DEMAND_METADATA_MISS_PERC=0
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fi
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DMU_TOTAL=`echo "$DMU_HITS+$DMU_MISSES" | $BC`
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if [ $DMU_TOTAL != 0 ]; then
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DMU_HITS_PERC=`echo "scale=2 ; (100*$DMU_HITS/$DMU_TOTAL)" | $BC`
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DMU_MISSES_PERC=`echo "scale=2 ; (100*$DMU_MISSES/$DMU_TOTAL)" | $BC`
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else
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DMU_HITS_PERC=0
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DMU_MISSES_PERC=0
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fi
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if [ $SIZE -gt $TARGET_SIZE ]; then
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MFU_SIZE=`echo "$SIZE-$MRU_SIZE" | $BC`
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else
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MFU_SIZE=`echo "$TARGET_SIZE-$MRU_SIZE" | $BC`
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fi
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L2_ACCESSES_TOTAL=`echo "$L2_HITS+$L2_MISSES" | $BC`
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if [ $L2_ACCESSES_TOTAL -gt 0 ]; then
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L2_HIT_RATIO_PERC=`echo "scale=2 ; (100*$L2_HITS/$L2_ACCESSES_TOTAL)" | $BC`
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L2_MISS_RATIO_PERC=`echo "scale=2 ; (100*$L2_MISSES/$L2_ACCESSES_TOTAL)" | $BC`
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else
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L2_HIT_RATIO_PERC=0
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L2_MISS_RATIO_PERC=0
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fi
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efficiency() {
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if [ "$1" = "config" ]; then
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echo 'graph_title ZFS ARC Efficiency'
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echo 'graph_args -u 100'
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echo 'graph_vlabel %'
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echo 'graph_info This graph shows the ARC Efficiency'
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echo 'hits.label Hit Ratio'
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echo 'misses.label Miss Ratio'
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echo 'actual_hits.label Actual Hit Ratio'
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echo 'data_demand_efficiency.label Data Demand Efficiency'
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echo 'data_prefetch_efficiency.label Data Prefetch Efficiency'
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exit 0
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else
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echo 'hits.value ' $CACHE_HIT_RATIO_PERC
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echo 'misses.value ' $CACHE_MISS_RATIO_PERC
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echo 'actual_hits.value ' $ACTUAL_HIT_RATIO_PERC
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echo 'data_demand_efficiency.value ' $DATA_DEMAND_EFFICIENCY_PERC
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echo 'data_prefetch_efficiency.value ' $DATA_PREFETCH_EFFICENCY_PERC
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fi
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}
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cachehitlist() {
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if [ "$1" = "config" ]; then
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echo 'graph_title ZFS ARC Efficiency: Cache hits by cache list'
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echo 'graph_args -u 100'
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echo 'graph_vlabel %'
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echo 'graph_info This graph shows the ARC Efficiency'
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echo 'cache_list_anon.label Anonymously Used'
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echo 'cache_list_most_rec.label Most Recently Used'
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echo 'cache_list_most_freq.label Most Frequently Used'
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echo 'cache_list_most_rec_ghost.label Most Recently Used Ghost'
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echo 'cache_list_most_freq_ghost.label Most Frequently Used Ghost'
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exit 0
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else
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echo 'cache_list_anon.value ' $ANONYMOUSLY_USED_PERC
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echo 'cache_list_most_rec.value ' $MOST_RECENTLY_USED_PERC
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echo 'cache_list_most_freq.value ' $MOST_FREQUENTLY_USED_PERC
|
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echo 'cache_list_most_rec_ghost.value ' $MOST_RECENTLY_USED_GHOST_PERC
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echo 'cache_list_most_freq_ghost.value ' $MOST_FREQUENTLY_USED_GHOST_PERC
|
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fi
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}
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cachehitdtype() {
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if [ "$1" = "config" ]; then
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echo 'graph_title ZFS ARC Efficiency: Cache hits by data type'
|
||||
echo 'graph_args -u 100'
|
||||
echo 'graph_vlabel %'
|
||||
echo 'graph_info This graph shows the ARC Efficiency'
|
||||
|
||||
echo 'data_type_demand_hits.label Demand Data Hit Ratio'
|
||||
echo 'data_type_demand_misses.label Demand Data Miss Ratio'
|
||||
echo 'data_type_prefetch_hits.label Prefetch Data Hit Ratio'
|
||||
echo 'data_type_prefetch_misses.label Prefetch Data Miss Ratio'
|
||||
echo 'data_type_demand_metadata_hits.label Demand Metadata Hit Ratio'
|
||||
echo 'data_type_demand_metadata_misses.label Demand Metadata Miss Ratio'
|
||||
echo 'data_type_prefetch_metadata_hits.label Prefetch Metadata Hit Ratio'
|
||||
echo 'data_type_prefetch_metadata_misses.label Prefetch Metadata Miss Ratio'
|
||||
|
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exit 0
|
||||
else
|
||||
echo 'data_type_demand_hits.value ' $DEMAND_DATA_HIT_PERC
|
||||
echo 'data_type_demand_misses.value ' $DEMAND_DATA_MISS_PERC
|
||||
echo 'data_type_prefetch_hits.value ' $PREFETCH_DATA_HIT_PERC
|
||||
echo 'data_type_prefetch_misses.value ' $PREFETCH_DATA_MISS_PERC
|
||||
echo 'data_type_demand_metadata_hits.value ' $DEMAND_METADATA_HIT_PERC
|
||||
echo 'data_type_demand_metadata_misses.value ' $DEMAND_METADATA_MISS_PERC
|
||||
echo 'data_type_prefetch_metadata_hits.value ' $PREFETCH_METADATA_HIT_PERC
|
||||
echo 'data_type_prefetch_metadata_misses.value ' $PREFETCH_METADATA_MISSES_PERC
|
||||
fi
|
||||
}
|
||||
|
||||
dmuprefetch() {
|
||||
if [ "$1" = "config" ]; then
|
||||
echo 'graph_title ZFS DMU prefetch stats'
|
||||
echo 'graph_args -u 100'
|
||||
echo 'graph_vlabel %'
|
||||
echo 'graph_info This graph shows the DMU prefetch stats'
|
||||
|
||||
echo 'hits.label Hit Ratio'
|
||||
echo 'misses.label Miss Ratio'
|
||||
|
||||
exit 0
|
||||
else
|
||||
echo 'hits.value ' $DMU_HITS_PERC
|
||||
echo 'misses.value ' $DMU_MISSES_PERC
|
||||
fi
|
||||
}
|
||||
|
||||
utilization() {
|
||||
if [ "$1" = "config" ]; then
|
||||
echo 'graph_title ZFS ARC Size'
|
||||
echo 'graph_args --base 1024 -l 0 --vertical-label Bytes --upper-limit '$MEMMAX
|
||||
echo 'graph_vlabel Size in MB'
|
||||
echo 'graph_info This graph shows the ARC Size utilization'
|
||||
|
||||
echo 'max_size.label Maximum Size'
|
||||
echo 'max_size.draw AREA'
|
||||
echo 'size.label Size'
|
||||
echo 'size.draw AREA'
|
||||
echo 'min_size.label Minimum Size'
|
||||
echo 'min_size.draw AREA'
|
||||
echo 'target_size.label Target Size'
|
||||
echo 'target_size.draw LINE1'
|
||||
echo 'recently_size.label Recently Used Cache Size'
|
||||
echo 'recently_size.draw LINE1'
|
||||
echo 'frequently_size.label Frequently Used Cache Size'
|
||||
echo 'frequently_size.draw LINE1'
|
||||
|
||||
exit 0
|
||||
else
|
||||
echo 'max_size.value ' $MAX_SIZE
|
||||
echo 'size.value ' $SIZE
|
||||
echo 'min_size.value ' $MIN_SIZE
|
||||
echo 'target_size.value ' $TARGET_SIZE
|
||||
echo 'recently_size.value ' $MRU_SIZE
|
||||
echo 'frequently_size.value ' $MFU_SIZE
|
||||
fi
|
||||
}
|
||||
|
||||
l2utilization() {
|
||||
if [ "$1" = "config" ]; then
|
||||
echo 'graph_title ZFS L2ARC Size'
|
||||
echo 'graph_args --base 1024 -r -l 0 --vertical-label Bytes'
|
||||
echo 'graph_vlabel Size in MB'
|
||||
echo 'graph_info This graph shows the L2ARC Size utilization'
|
||||
|
||||
echo 'size.label Size'
|
||||
echo 'size.draw AREA'
|
||||
echo 'hdr_size.label Header Size'
|
||||
echo 'hdr_size.draw AREA'
|
||||
|
||||
exit 0
|
||||
else
|
||||
echo 'size.value ' $L2_SIZE
|
||||
echo 'hdr_size.value ' $L2_HDR_SIZE
|
||||
fi
|
||||
}
|
||||
|
||||
l2efficiency() {
|
||||
if [ "$1" = "config" ]; then
|
||||
echo 'graph_title ZFS L2ARC Efficiency'
|
||||
echo 'graph_args -u 100'
|
||||
echo 'graph_vlabel %'
|
||||
echo 'graph_info This graph shows the L2ARC Efficiency'
|
||||
|
||||
echo 'l2_hits.label Hit Ratio'
|
||||
echo 'l2_misses.label Miss Ratio'
|
||||
else
|
||||
echo 'l2_hits.value ' $L2_HIT_RATIO_PERC
|
||||
echo 'l2_misses.value ' $L2_MISS_RATIO_PERC
|
||||
fi
|
||||
|
||||
}
|
||||
|
||||
[ "$1" = "config" ] && echo "graph_category filesystem"
|
||||
|
||||
case "$FUNCTION" in
|
||||
efficiency)
|
||||
efficiency $1
|
||||
;;
|
||||
cachehitlist)
|
||||
cachehitlist $1
|
||||
;;
|
||||
cachehitdtype)
|
||||
cachehitdtype $1
|
||||
;;
|
||||
dmuprefetch)
|
||||
dmuprefetch $1
|
||||
;;
|
||||
utilization)
|
||||
utilization $1
|
||||
;;
|
||||
l2utilization)
|
||||
l2utilization $1
|
||||
;;
|
||||
l2efficiency)
|
||||
l2efficiency $1
|
||||
;;
|
||||
esac
|
||||
Loading…
Reference in New Issue
Block a user