Date: Thu, 22 Mar 2018 11:56:06 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r331351 - user/pho/stress2/misc Message-ID: <201803221156.w2MBu6Jd037460@repo.freebsd.org>
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Author: pho Date: Thu Mar 22 11:56:06 2018 New Revision: 331351 URL: https://svnweb.freebsd.org/changeset/base/331351 Log: Added an OOM killing test scenario, which triggers a hang. Sponsored by: Dell EMC Isilon Added: user/pho/stress2/misc/oom2.sh (contents, props changed) Added: user/pho/stress2/misc/oom2.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/oom2.sh Thu Mar 22 11:56:06 2018 (r331351) @@ -0,0 +1,51 @@ +#!/bin/sh + +# +# Copyright (c) 2018 Dell EMC Isilon +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# + +# Test OOM killing. + +# sort stuck in "pfault" seen. +# https://people.freebsd.org/~pho/stress/log/oom2.txt + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 +[ `sysctl -n vm.swap_total` -gt 0 ] && { swapoff -a; off=1; } + +[ `sysctl -n hw.physmem` -gt $((32 * 1024 * 1024 * 1024)) ] && + echo "RAM should be capped to no more than 32GB" +n=`sysctl -n hw.ncpu` +n=`jot $n` +start=`date +%s` +while [ $((`date +%s` - $start)) -lt 300 ]; do + for i in $n; do + sort < /dev/zero > /dev/null 2>&1 & + done + wait +done +[ $off ] && swapon -a +exit 0
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