1#!/bin/sh 2 3# 4# Copyright (c) 2015 EMC Corp. 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 29# Parallel mount and umount of zfs file systems. 30 31# Page fault seen: 32# https://people.freebsd.org/~pho/stress/log/avg002.txt 33# Fixed by r309090. 34 35# Page fault seen: 36# https://people.freebsd.org/~pho/stress/log/crossmp7.txt 37# Fixed by r352437. 38 39[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 40[ `uname -m` = "i386" ] && exit 0 41[ `sysctl -n kern.kstack_pages` -lt 4 ] && exit 0 42 43. ../default.cfg 44 45mounts=15 # Number of parallel scripts 46 47if [ $# -eq 0 ]; then 48 kldstat -v | grep -q zfs.ko || { kldload zfs.ko || 49 exit 0; loaded=1; } 50 zpool list | egrep -q "^stress2_tank" && zpool destroy stress2_tank 51 52 u1=$mdstart 53 u2=$((u1 + 1)) 54 u3=$((u2 + 1)) 55 56 [ -c /dev/md$u1 ] && mdconfig -d -u $u1 57 [ -c /dev/md$u2 ] && mdconfig -d -u $u2 58 [ -c /dev/md$u3 ] && mdconfig -d -u $u3 59 60 mdconfig -s 512m -u $u1 61 mdconfig -s 512m -u $u2 62 mdconfig -s 512m -u $u3 63 64 zpool create stress2_tank raidz md$u1 md$u2 md$u3 65 66 for i in `jot $mounts`; do 67 zfs create stress2_tank/test$i 68 zfs umount stress2_tank/test$i 69 done 70 71 # start the parallel tests 72 touch /tmp/crossmp7.continue 73 for i in `jot $mounts`; do 74 ./$0 $i & 75 ./$0 find & 76 done 77 78 wait 79 80 zpool destroy stress2_tank 81 [ -n "$loaded" ] && kldunload zfs.ko 82 mdconfig -d -u $u1 83 mdconfig -d -u $u2 84 mdconfig -d -u $u3 85 exit 0 86else 87 if [ $1 = find ]; then 88 while [ -f /tmp/crossmp7.continue ]; do 89 find /stress2_tank -type f > /dev/null 2>&1 90 done 91 else 92 # The test: Parallel mount and unmounts 93 m=$1 94 for i in `jot 1024`; do 95 zfs mount stress2_tank/test$m 96 zfs umount -f stress2_tank/test$m 97 done 2>/dev/null 98 rm -f /tmp/crossmp7.continue 99 fi 100fi 101