Date: Tue, 1 Sep 2015 20:49:39 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r287377 - user/pho/stress2/misc Message-ID: <201509012049.t81Kndq8095667@repo.freebsd.org>
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Author: pho Date: Tue Sep 1 20:49:38 2015 New Revision: 287377 URL: https://svnweb.freebsd.org/changeset/base/287377 Log: Regression test added. Sponsored by: EMC / Isilon storage division Added: user/pho/stress2/misc/trim6.sh (contents, props changed) Added: user/pho/stress2/misc/trim6.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/trim6.sh Tue Sep 1 20:49:38 2015 (r287377) @@ -0,0 +1,56 @@ +#!/bin/sh + +# +# Copyright (c) 2015 EMC Corp. +# 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 scenario for exhausting limited malloc KVA on 32bit machine, by +# extending a file on a UFS SU volume. + +# Create a large file on a file system with trim enabled. +# Watchdog timeout seen: +# https://people.freebsd.org/~pho/stress/log/trim6.txt +# Fixed by r287361. + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +r=`mount | grep -w soft-updates | awk '{print $1}' | while read dev; do + dumpfs $dev | head -20 | grep -qw trim || continue + df -k $dev +done | sort -rn +3 | head -1 | awk '{print $4, $6}'` +[ -z "$r" ] && exit # No trim enabled file systems found +set $r +free=$(($1 / 1024 / 10 * 9)) # in Mb +max=$((128 * 1024)) # Max is 128 GB +[ $free -gt $max ] && free=$max +mp=$2 +image=`echo $mp/diskimage | sed s#//#/#` # fix "//" for case mp = "/" +trap "rm -f $image" EXIT SIGINT + +echo "dd if=/dev/zero of=$image bs=1m count=$free" +dd if=/dev/zero of=$image bs=1m count=$free 2>&1 | + egrep -v 'records|transferred'
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