mirror of
https://github.com/munin-monitoring/contrib.git
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9cef55a3ed
Some plugins with non-zero autoconf exitcodes (it must be zero instead) deserved a bit of code cleanup for improved readability.
62 lines
1.7 KiB
Bash
Executable File
62 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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# Kernel Memory usage stats.
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# Author: alex@trull.org
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#
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# Based on the short script at http://wiki.freebsd.org/ZFSTuningGuide (20080820)
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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 - only used by munin-config)
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#
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# Magic markers (optional - only used by munin-config and some
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# installation scripts):
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#%# family=auto
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#%# capabilities=autoconf
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if [ "$1" = "autoconf" ]; then
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if [ -x /sbin/sysctl ]; then
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if /sbin/sysctl vm.kmem_size_max >/dev/null 2>&1; then
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echo "yes"
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else
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echo "no (missing sysctl variable 'vm.kmem_size_max')"
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fi
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else
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echo "no (missing 'sysctl' executable)"
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fi
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exit 0
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fi
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TEXT=`kldstat | tr a-f A-F | awk 'BEGIN {print "ibase=16"}; NR > 1 {print $4}' | bc | awk '{a+=$1}; END {print a}'`
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DATA=`vmstat -m | sed 's/K//' | awk '{a+=$3}; END {print a*1024}'`
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TOTAL=`echo $DATA $TEXT | awk '{print $1+$2}'`
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MAX=`sysctl vm.kmem_size_max | awk '{print $2}'`
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if [ "$1" = "config" ]; then
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echo 'graph_args --base 1024 -l 0 --vertical-label Bytes'
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echo 'graph_title Kernel Memory usage'
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echo 'graph_category system'
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echo 'graph_info This graph shows kmem usage.'
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echo 'graph_order text data'
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echo 'text.label text'
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echo 'text.info kmem text'
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echo 'text.draw AREA'
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echo 'data.label data'
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echo 'data.info kmem data'
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echo 'data.draw STACK'
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echo 'total.label total'
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echo 'total.info kmem total'
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echo 'total.draw LINE'
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echo 'max.label max'
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echo 'max.info kmem max'
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echo 'max.draw LINE2'
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exit 0
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fi
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echo "text.value $TEXT"
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echo "data.value $DATA"
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echo "total.value $TOTAL"
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echo "max.value $MAX"
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