1#!/bin/sh 2 3# 4# Copyright (c) 2008 Peter Holm <pho@FreeBSD.org> 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# $FreeBSD$ 29# 30 31# phk has seen freezes with this newfs option: "-b 32768 -f 4096 -O2" 32# 33# Deadlocks seen with this test and: 34# newfs -b 4096 -f 4096 -O2 md0c on a 128 Mb FS 35# newfs -b 4096 -f 1024 -O2 md0c on a 64 Mb FS 36# 20070505 newfs -b 4096 -f 4096 -O2 md0c on a 32 Mb FS: panic: lockmgr: locking against myself 37 38 39[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 40 41. ../default.cfg 42 43size=$((32 * 1024 * 1024)) 44opt="-O2" # newfs option. Eg. -U 45 46mount | grep "$mntpoint" | grep md${mdstart}${part} > /dev/null && umount $mntpoint 47mdconfig -l | grep md${mdstart} > /dev/null && mdconfig -d -u ${mdstart} 48 49while [ $size -le $((128 * 1024 * 1024)) ]; do 50 truncate -s $size $diskimage 51 mdconfig -a -t vnode -f $diskimage -u ${mdstart} 52 disklabel -r -w md${mdstart} auto 53 blocksize=4096 54 while [ $blocksize -le 65536 ]; do 55 for i in 1 2 4 8; do 56 fragsize=$((blocksize / i)) 57 echo "newfs -b $blocksize -f $fragsize $opt md${mdstart}${part} on a $((size / 1024 / 1024)) Mb FS" 58 newfs -b $blocksize -f $fragsize $opt md${mdstart}${part} > /dev/null 2>&1 59 mount /dev/md${mdstart}${part} $mntpoint 60 export RUNDIR=$mntpoint/stressX 61 export runRUNTIME=5m 62 (cd /home/pho/stress2; ./run.sh disk.cfg) 63 while mount | grep "$mntpoint" | grep -q md${mdstart}${part}; do 64 umount $mntpoint > /dev/null 2>&1 65 done 66 done 67 blocksize=$((blocksize * 2)) 68 done 69 mdconfig -d -u ${mdstart} 70 size=$((size + 32 * 1024 * 1024)) 71done 72rm -f $diskimage 73