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Diffstat (limited to 'tools/test/stress2/misc/crossmp.sh')
| -rwxr-xr-x | tools/test/stress2/misc/crossmp.sh | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/crossmp.sh b/tools/test/stress2/misc/crossmp.sh new file mode 100755 index 000000000000..7d1ccbe3a469 --- /dev/null +++ b/tools/test/stress2/misc/crossmp.sh @@ -0,0 +1,89 @@ +#!/bin/sh + +# +# Copyright (c) 2008 Peter Holm <pho@FreeBSD.org> +# 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. +# + +# Parallel mount and umount of file systems + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +mounts=15 # Number of parallel scripts +cont=/tmp/crossmp.continue +mdstart=$mdstart # Use md unit numbers from this point +D=$diskimage + +if [ $# -eq 0 ]; then + touch $cont + for i in `jot $mounts`; do + m=$(( i + mdstart - 1 )) + [ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m + mount | grep "on ${mntpoint}$m " | grep -q md$m && + umount ${mntpoint}$m + mdconfig -l | grep -q md$m && mdconfig -d -u $m + + dd if=/dev/zero of=$D$m bs=1m count=1 status=none + mdconfig -a -t vnode -f $D$m -u $m + bsdlabel -w md$m auto + newfs $newfs_flags md${m}$part > /dev/null 2>&1 + done + + # start the parallel tests + for i in `jot $mounts`; do + m=$(( i + mdstart - 1 )) + ./$0 $m & + ./$0 find & + done + + wait + + for i in `jot $mounts`; do + m=$(( i + mdstart - 1 )) + mdconfig -d -u $m + rm -f $D$m + done + exit 0 +else + if [ $1 = find ]; then + while [ -r $cont ]; do + find ${mntpoint}* -type f > /dev/null 2>&1 + done + else + + # The test: Parallel mount and unmounts + for i in `jot 1024`; do + m=$1 + mount /dev/md${m}$part ${mntpoint}$m + while mount | grep -q "on ${mntpoint}$m "; do + opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && + echo "-f") + umount $opt ${mntpoint}$m > /dev/null 2>&1 + done + done + rm -f $cont + fi +fi |