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#!/bin/sh
#
# Copyright (c) 2014 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.
#
# Variation of crossmp3.sh
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
. ../default.cfg
N=`sysctl -n hw.ncpu`
usermem=`sysctl -n hw.usermem`
[ `swapinfo | wc -l` -eq 1 ] && usermem=$((usermem/100*80))
size=$((usermem / 1024 / 1024 / N))
mounts=$N # Number of parallel scripts
if [ $# -eq 0 ]; then
for i in `jot $mounts`; do
m=$(( i + mdstart - 1 ))
[ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m
mount | grep "${mntpoint}$m " | grep -q md$m &&
umount ${mntpoint}$m
mdconfig -l | grep -q md$m && mdconfig -d -u $m
mdconfig -a -t swap -s ${size}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
touch /tmp/crossmp.continue
if [ $1 = find ]; then
while [ -f /tmp/crossmp.continue ]; do
find ${mntpoint}* -type f > /dev/null 2>&1
done
else
# The test: Parallel mount and unmount
m=$1
for i in `jot 200`; do
mount /dev/md${m}$part ${mntpoint}$m
chmod 777 ${mntpoint}$m
l=`jot -r 1 65535`
dd if=/dev/zero of=$mntpoint/$i bs=$l count=100 \
status=none
rm -f $mntpoint/$i
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 /tmp/crossmp.continue
fi
fi
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