Date: Sun, 13 May 2018 13:15:34 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r333582 - user/pho/stress2/misc Message-ID: <201805131315.w4DDFYl4086139@repo.freebsd.org>
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Author: pho Date: Sun May 13 13:15:34 2018 New Revision: 333582 URL: https://svnweb.freebsd.org/changeset/base/333582 Log: Added a scenario which triggers threads stuck in pmc-sx. Sponsored by: Dell EMC Isilon Added: user/pho/stress2/misc/pmc2.sh (contents, props changed) Added: user/pho/stress2/misc/pmc2.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/pmc2.sh Sun May 13 13:15:34 2018 (r333582) @@ -0,0 +1,50 @@ +#!/bin/sh + +# +# Copyright (c) 2017 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. +# +# $FreeBSD$ +# + +# Page fault seen: +# https://people.freebsd.org/~pho/stress/log/pmc2.txt + +# https://people.freebsd.org/~pho/stress/log/mmacy004.txt + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +kldstat -v | grep -q hwpmc || { kldload hwpmc; loaded=1; } + +../misc/churn.sh & +pid=$! +while ! pgrep -q churn; do sleep .5; done +pmcstat -P instructions -t churn -O /tmp/pmc2.log +wait $pid +rm /tmp/pmc2.log +[ $loaded ] && kldunload hwpmc + +exit 0
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