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 29# Page fault seen in fdesc_allocvp+0x8f: 30# http://people.freebsd.org/~pho/stress/log/fdescfs-2.txt 31# Fixed by r279401 32# https://people.freebsd.org/~pho/stress/log/fdescfs-3.txt 33 34[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 35 36. ../default.cfg 37 38mounts=15 # Number of parallel scripts 39cont=/tmp/fdescfs.continue 40 41if [ $# -eq 0 ]; then 42 kldstat -v | grep -q fdescfs || { kldload fdescfs.ko; unload=1; } 43 touch $cont 44 # start the parallel tests 45 for i in `jot $mounts`; do 46 [ -d ${mntpoint}$i ] || mkdir -p ${mntpoint}$i 47 ./$0 $i & 48 ./$0 find & 49 done 50 wait 51 [ $unload ] && kldunload fdescfs.ko 52 exit 0 53else 54 if [ $1 = find ]; then 55 exec 6< /dev/zero 56 exec 7< /dev/zero 57 exec 8< /dev/zero 58 exec 9< /dev/zero 59 while [ -r $cont ]; do 60 ls -l ${mntpoint}* > /dev/null 2>&1 61 done 62 else 63 64 # The test: Parallel mount and unmounts 65 start=`date '+%s'` 66 while [ `date '+%s'` -lt $((start + 300)) ]; do 67 mount -t fdescfs null ${mntpoint}$1 68 while mount | grep -wq ${mntpoint}$1; do 69 umount -f ${mntpoint}$1 > /dev/null 2>&1 70 done 71 done 72 rm -f $cont 73 fi 74fi 75