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64 lines
2.1 KiB
Bash
Executable file
64 lines
2.1 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2017 Dell EMC Isilon
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# 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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# 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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# Watchdog fired:
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# https://people.freebsd.org/~pho/stress/log/mark013.txt
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# Fixed by: r327213
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# watchdogd: https://people.freebsd.org/~pho/stress/log/kostik1245.txt
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. ../default.cfg
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outputfile=$RUNDIR/dd.outputfile
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(cd ../testcases/swap; ./swap -t 30m -i 20) > /dev/null 2>&1 &
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trap "rm -f ${outputfile}*" EXIT INT
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N=2
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NCPU=`sysctl -n hw.ncpu`
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s=0
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size=512
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start=`date '+%s'`
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while [ $((`date '+%s'` - start)) -lt 720 ]; do
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pids=""
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for i in `jot $N`; do
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dd if=/dev/zero of=${outputfile}$i bs=1m count=$size &
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pids="$pids $!"
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done > /dev/null 2>&1
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for pid in $pids; do
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wait $pid
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s=$?
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[ $s -ne 0 ] && break 2
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done
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N=$((N * 2))
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rm -f ${outputfile}*
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[ $N -gt $((NCPU * 2)) ] && break
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done
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while pgrep -q swap; do
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pkill -9 swap
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done
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exit $s
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