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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 32 33. ../default.cfg 34 35size=1 # Gb 36[ `df -k $(dirname $diskimage) | tail -1 | awk '{print $4'}` -lt $((size * 1024 * 1024)) ] && \ 37 echo "Not enough disk space." && exit 1 38truncate -s ${size}G $diskimage 39 40mount | grep "$mntpoint" | grep md${mdstart}${part} > /dev/null && umount $mntpoint 41mdconfig -l | grep md${mdstart} > /dev/null && mdconfig -d -u ${mdstart} 42 43mdconfig -a -t vnode -f $diskimage -u ${mdstart} 44bsdlabel -w md${mdstart} auto 45 46 47for opt in "-O1" "-O2" "-O2 -U"; do 48 blocksize=4096 49 while [ $blocksize -le 65536 ]; do 50 for i in 8 4 2 1; do 51 fragsize=$((blocksize / i)) 52 echo "newfs $opt -b $blocksize -f $fragsize md${mdstart}${part}" 53 newfs $opt -b $blocksize -f $fragsize md${mdstart}${part} > /dev/null 54 mount /dev/md${mdstart}${part} $mntpoint 55 export RUNDIR=$mntpoint/stressX 56 export runRUNTIME=4m 57 (cd /home/pho/stress2; ./run.sh disk.cfg) 58 while mount | grep "$mntpoint" | grep -q md${mdstart}${part}; do 59 umount $mntpoint > /dev/null 2>&1 60 done 61 done 62 blocksize=$((blocksize * 2)) 63 done 64done 65mdconfig -d -u ${mdstart} 66rm -f $diskimage 67