1#!/bin/sh 2 3# 4# Copyright (c) 2017 Dell EMC Isilon 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29# Watchdog fired: 30# https://people.freebsd.org/~pho/stress/log/mark013.txt 31# Fixed by: r327213 32 33# watchdogd: https://people.freebsd.org/~pho/stress/log/kostik1245.txt 34 35. ../default.cfg 36 37outputfile=$RUNDIR/dd.outputfile 38(cd ../testcases/swap; ./swap -t 30m -i 20) > /dev/null 2>&1 & 39trap "rm -f ${outputfile}*" EXIT INT 40N=2 41NCPU=`sysctl -n hw.ncpu` 42s=0 43size=512 44start=`date '+%s'` 45while [ $((`date '+%s'` - start)) -lt 720 ]; do 46 pids="" 47 for i in `jot $N`; do 48 dd if=/dev/zero of=${outputfile}$i bs=1m count=$size & 49 pids="$pids $!" 50 done > /dev/null 2>&1 51 for pid in $pids; do 52 wait $pid 53 s=$? 54 [ $s -ne 0 ] && break 2 55 done 56 N=$((N * 2)) 57 rm -f ${outputfile}* 58 [ $N -gt $((NCPU * 2)) ] && break 59done 60 61while pgrep -q swap; do 62 pkill -9 swap 63done 64exit $s 65