Date: Mon, 26 Mar 2018 08:15:16 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r331544 - user/pho/stress2/misc Message-ID: <201803260815.w2Q8FGwh042297@repo.freebsd.org>
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Author: pho Date: Mon Mar 26 08:15:15 2018 New Revision: 331544 URL: https://svnweb.freebsd.org/changeset/base/331544 Log: Added a regression test for deadlock seen with "vmstat -z". Sponsored by: Dell EMC Isilon Added: user/pho/stress2/misc/vmstat.sh (contents, props changed) Added: user/pho/stress2/misc/vmstat.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/vmstat.sh Mon Mar 26 08:15:15 2018 (r331544) @@ -0,0 +1,48 @@ +#!/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. +# +# $FreeBSD$ +# + +# vmstat(8) test scenario. +# Deadlock seen: +# https://people.freebsd.org/~pho/stress/log/vmstat.txt +# Fixed by r331489. + +. ../default.cfg + +set -e +(cd ../testcases/thr1; ./thr1 -t 1m -i 20 -l 100 > /dev/null) & # churn +pids=$! +for i in `jot 16`; do + while true; do vmstat -z > /dev/null; done & + pids="$pids $!" +done +sleep 60 +kill $pids > /dev/null 2>&1 +wait +exit 0
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