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 35mounts=15 # Number of parallel scripts 36mdstart=$mdstart # Use md unit numbers from this point 37 38if [ $# -eq 0 ]; then 39 for i in `jot $mounts`; do 40 m=$(( i + mdstart - 1 )) 41 [ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m 42 mount | grep "$mntpoint" | grep -q md$m && umount ${mntpoint}$m 43 done 44 45 # start the parallel tests 46 touch /tmp/$0 47 for i in `jot $mounts`; do 48 m=$(( i + mdstart - 1 )) 49 ./$0 $m & 50 ./$0 find $m & 51 done 52 53 for i in `jot $mounts`; do 54 wait; wait 55 done 56else 57 if [ $1 = find ]; then 58 while [ -r /tmp/$0 ]; do 59 ls -lR ${mntpoint}* 60 done 61 echo "Done 1 @ `date '+%T'`" 62 else 63 64 # The test: Parallel mount and unmounts 65 for i in `jot 1024`; do 66 m=$1 67 mount -t procfs proc ${mntpoint}$m 68 while mount | grep -qw $mntpoint$m; do 69 opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-f") 70 umount $opt ${mntpoint}$m > /dev/null 2>&1 71 done 72 done 73 rm -f /tmp/$0 74 echo "Done 2 @ `date '+%T'`" 75 fi 76fi 77