#!/bin/sh # # Copyright (c) 2015 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. # # Parallel mount and umount of zfs file systems. # Page fault seen: # https://people.freebsd.org/~pho/stress/log/avg002.txt # Fixed by r309090. # Page fault seen: # https://people.freebsd.org/~pho/stress/log/crossmp7.txt # Fixed by r352437. [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 [ `uname -m` = "i386" ] && exit 0 [ `sysctl -n kern.kstack_pages` -lt 4 ] && exit 0 . ../default.cfg mounts=15 # Number of parallel scripts if [ $# -eq 0 ]; then kldstat -v | grep -q zfs.ko || { kldload zfs.ko || exit 0; loaded=1; } zpool list | egrep -q "^stress2_tank" && zpool destroy stress2_tank u1=$mdstart u2=$((u1 + 1)) u3=$((u2 + 1)) [ -c /dev/md$u1 ] && mdconfig -d -u $u1 [ -c /dev/md$u2 ] && mdconfig -d -u $u2 [ -c /dev/md$u3 ] && mdconfig -d -u $u3 mdconfig -s 512m -u $u1 mdconfig -s 512m -u $u2 mdconfig -s 512m -u $u3 zpool create stress2_tank raidz md$u1 md$u2 md$u3 for i in `jot $mounts`; do zfs create stress2_tank/test$i zfs umount stress2_tank/test$i done # start the parallel tests touch /tmp/crossmp7.continue for i in `jot $mounts`; do ./$0 $i & ./$0 find & done wait zpool destroy stress2_tank [ -n "$loaded" ] && kldunload zfs.ko mdconfig -d -u $u1 mdconfig -d -u $u2 mdconfig -d -u $u3 exit 0 else if [ $1 = find ]; then while [ -f /tmp/crossmp7.continue ]; do find /stress2_tank -type f > /dev/null 2>&1 done else # The test: Parallel mount and unmounts m=$1 start=`date +%s` while [ $((`date +%s`- start)) -lt 300 ]; do zfs mount stress2_tank/test$m zfs umount -f stress2_tank/test$m done 2>/dev/null rm -f /tmp/crossmp7.continue fi fi