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https://github.com/munin-monitoring/contrib.git
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Add size module
This commit is contained in:
K.Cima
parent
544b2cfb4a
commit
c7a7f086ec
@ -12,6 +12,7 @@
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busy : similar to iostat %b, %w (%w usually indicates 0 in Sol10,11)
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queue : similar to iostat actv, wait
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latency : similar to iostat asvc_t, wsvc_t
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size : average io size
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This plugin is improved from Solaris io_busy_, io_ops_, io_bytes_ plugins.
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Any device found in /usr/bin/kstat can be monitored.
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@ -52,7 +53,7 @@
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It may be good to link like ln -s /path/to/io_disk io_nfs if necessary.
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env.module_regex - kstat module. See man kstat -m option.
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example: env.module_regex /^(s?sd|vdc|zvblk|dad|md|nfs|tape)$/
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example: env.module_regex /^(s?sd|vdc|zvblk|dad|md|nfs|st)$/
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default: /^(s?sd|vdc|zvblk|dad|md)$/
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env.title_type - Device type shown in graph title.
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@ -92,7 +93,7 @@ set -o nounset # Like perl use strict;
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# Set environment variables
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plugin_name=io
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functions='ops bytes busy queue latency'
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functions='ops bytes busy queue latency size'
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: "${class:=disk}"
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: "${module:=sd}"
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: "${module_regex:=/^(s?sd|vdc|zvblk|dad|md)\$/}"
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@ -120,43 +121,57 @@ preconfig() {
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case "$func" in
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ops)
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conf_title='I/O Operations'
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conf_in=reads
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conf_out=writes
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conf_cdef=
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conf_gargs='--base 1000'
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conf_vlabel='Ops per second write (-) / read (+)'
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conf_in=reads
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conf_out=writes
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conf_in_cdef=
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conf_out_cdef=
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;;
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bytes)
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conf_title='I/O Throughput'
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conf_in=nread
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conf_out=nwritten
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conf_cdef=
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conf_gargs='--base 1024'
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conf_vlabel='Bytes per second write (-) / read (+)'
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conf_in=nread
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conf_out=nwritten
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conf_in_cdef=
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conf_out_cdef=
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;;
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busy)
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conf_title='Busy & Wait'
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conf_in=rtime
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conf_out=wtime
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conf_cdef=',100,*'
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conf_gargs='--base 1000 --lower-limit 0 --upper-limit 100'
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conf_vlabel='% wait (-) / busy (+)'
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conf_in=rtime
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conf_out=wtime
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conf_in_cdef=',100,*'
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conf_out_cdef=',100,*'
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;;
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queue)
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conf_title='Queue Length'
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conf_in=rlentime
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conf_out=wlentime
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conf_cdef=
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conf_gargs='--base 1000'
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conf_vlabel='Queue length wait (-) / actv (+)'
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conf_in=rlentime
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conf_out=wlentime
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conf_in_cdef=
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conf_out_cdef=
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;;
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latency)
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conf_title='Latency'
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conf_in=rlentime
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conf_out=wlentime
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conf_cdef=
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conf_gargs='--base 1000'
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conf_vlabel='Seconds wsvc_t (-) / asvc_t (+)'
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conf_in=rlentime
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conf_out=wlentime
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conf_in_cdef=
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conf_out_cdef=
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;;
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size)
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conf_title='I/O Size'
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conf_gargs='--base 1024'
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conf_vlabel='Average size write (-) / read (+)'
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conf_in=nread
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conf_out=nwritten
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conf_in_cdef=
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conf_out_cdef=
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;;
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*)
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echo "Unknown function: $func"
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@ -205,8 +220,9 @@ do_config() {
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ref="name_$dev"
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devname=${!ref:-} # ${!varname} means indirect evaluation (similar to eval)
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# reads and writes are necessary to calculate latency
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if [ "$func" = 'latency' ]; then
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# reads and writes are necessary to calculate latency, size
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case "$func" in
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latency|size)
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for stat in reads writes
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do
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echo "${dev}_$stat.label dummy"
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@ -214,23 +230,37 @@ do_config() {
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echo "${dev}_$stat.type DERIVE"
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echo "${dev}_$stat.min 0"
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done
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# rlentime / ( reads + writes )
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conf_cdef=,${dev}_reads,${dev}_writes,+,/
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fi
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;;
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esac
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# Set cdef for latency, size
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case "$func" in
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latency)
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# rlentime / ( reads + writes )
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conf_in_cdef=,${dev}_reads,${dev}_writes,+,/
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conf_out_cdef=,${dev}_reads,${dev}_writes,+,/
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;;
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size)
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conf_in_cdef=,${dev}_reads,/
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conf_out_cdef=,${dev}_writes,/
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;;
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esac
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# Print data attributes
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echo "${dev}_${conf_out}.label dummy"
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echo "${dev}_${conf_out}.graph no"
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echo "${dev}_${conf_out}.type DERIVE"
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echo "${dev}_${conf_out}.min 0"
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if [ -n "${conf_out_cdef:-}" ]; then
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echo "${dev}_${conf_out}.cdef ${dev}_${conf_out}${conf_out_cdef}"
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fi
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echo "${dev}_${conf_in}.label ${devname:-${dev}}"
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echo "${dev}_${conf_in}.negative ${dev}_${conf_out}"
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echo "${dev}_${conf_in}.type DERIVE"
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echo "${dev}_${conf_in}.min 0"
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if [ -n "$conf_cdef" ]; then
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echo "${dev}_${conf_out}.cdef ${dev}_${conf_out}${conf_cdef}"
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echo "${dev}_${conf_in}.cdef ${dev}_${conf_in}${conf_cdef}"
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if [ -n "${conf_in_cdef:-}" ]; then
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echo "${dev}_${conf_in}.cdef ${dev}_${conf_in}${conf_in_cdef}"
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fi
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done
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@ -243,11 +273,14 @@ do_getvalue() {
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func=$1
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preconfig "$func"
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if [ "$func" = 'latency' ]; then
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case "$func" in
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latency|size)
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stat_regex="/^($conf_in|$conf_out|reads|writes)\$/"
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else
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;;
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*)
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stat_regex="/^($conf_in|$conf_out)\$/"
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fi
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;;
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esac
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echo "multigraph ${plugin_name}_${func}_${module}"
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