Babak Farrokhi
288e2fc40a
- introduce netirq_ plugin, which graphs per interface/per queue interrupt rates.
58 lines
1.3 KiB
Bash
Executable File
58 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# 12-Aug-2015 @farrokhi
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# This script extracts IRQ interrupt rate for network interfaces from "vmstat -i"
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# on FreeBSD and feeds to munin
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#
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# XXX: This script relies on lang/gawk (we use extended regexp in awk).
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#
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# Magic markers:
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#%# family=auto
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#%# capabilities=autoconf suggest
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SCRIPT_NAME=$(basename $0)
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STAT_TYPE=`echo $SCRIPT_NAME | sed -n s/netirq_//p`
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VMSTAT="/usr/bin/vmstat"
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AWK=`which gawk` || exit 1
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STATFILE=`mktemp -t netirq`
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${VMSTAT} -i | sort -V > ${STATFILE} 2>/dev/null
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if [ $# -lt 1 ]; then
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if [ x${STAT_TYPE} == x ]; then
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exit 1
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fi
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cat ${STATFILE} | ${AWK} '{ FS = "[ ]{2,}" } /'${STAT_TYPE}'/{split($1,name,":"); print name[1]".value "$2}'
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elif [ "$1" == "suggest" ]; then
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for iface in `ifconfig -lu ether`; do
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echo ${iface}
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done
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elif [ "$1" == "autoconf" ]; then
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${VMSTAT} -i >/dev/null 2>&1 && echo yes || echo no
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exit 0
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elif [ "$1" == "config" ]; then
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if [ x${STAT_TYPE} == x ]; then
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exit 1
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fi
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echo "graph_title IRQ Statistics for ${STAT_TYPE}"
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echo "graph_args --lower-limit 0 --base 1000"
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echo "graph_vlabel interrupts / second"
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echo "graph_category system"
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cat ${STATFILE} | ${AWK} '{ FS = "[ ]{3,}" } /'${STAT_TYPE}'/{split($1,name,":"); print name[1]".label "$1"\n"name[1]".type DERIVE\n"name[1]".min 0"}'
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fi
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rm ${STATFILE}
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