82 lines
2.5 KiB
Plaintext
82 lines
2.5 KiB
Plaintext
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#!/bin/sh
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#
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# Copyright (c) 2015 Babak Farrokhi. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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#
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# 12-Aug-2015 @farrokhi
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# This script extracts CPU and IRQ interrupt rates from "vmstat -i"
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# on FreeBSD and feeds to munin
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#
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# XXX: This script requires lang/gawk to be installed (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 $SCRIPT_NAME | sed -n s/intr_//p`
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VMSTAT="/usr/bin/vmstat"
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AWK=`which gawk` || exit 1
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STATFILE=`mktemp -t intr`
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${VMSTAT} -i | sort -V > ${STATFILE} 2>/dev/null
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if [ $# -lt 1 ]; then
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case ${STAT_TYPE} in
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cpu)
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cat ${STATFILE} | ${AWK} '{ FS = "[ ]{2,}" } /^cpu/{split($1,name,":"); print name[1]".value "$2}'
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;;
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esac
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elif [ "$1" == "suggest" ]; then
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echo "cpu"
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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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case ${STAT_TYPE} in
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cpu)
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echo "graph_title CPU Timer Statistics"
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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 = "[ ]{2,}" } /^cpu/{split($1,name,":"); print name[1]".label "$1"\n"name[1]".type DERIVE\n"name[1]".min 0"}'
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;;
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esac
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fi
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rm ${STATFILE}
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