xref: /freebsd/tools/test/stress2/misc/crossmp4.sh (revision dc318a4ffabcbfa23bb56a33403aad36e6de30af)
1#!/bin/sh
2
3#
4# Copyright (c) 2014 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 file systems. Nullfs version.
30
31# "panic: Lock (lockmgr) null not locked @ kern/vfs_default.c:523." seen.
32# http://people.freebsd.org/~pho/stress/log/kostik698.txt
33# Fixed by r269708.
34
35# Not fixed: https://people.freebsd.org/~pho/stress/log/kostik798.txt
36# https://people.freebsd.org/~pho/stress/log/kostik856.txt
37
38[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
39
40. ../default.cfg
41
42N=`sysctl -n hw.ncpu`
43usermem=`sysctl -n hw.usermem`
44[ `swapinfo | wc -l` -eq 1 ] && usermem=$((usermem/100*80))
45size=$((usermem / 1024 / 1024 - 2))
46
47CONT=/tmp/crossmp4.continue
48mounts=$N		# Number of parallel scripts
49
50if [ $# -eq 0 ]; then
51	mount | grep "$mntpoint" | grep -q md && umount $mntpoint
52	mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
53
54	mdconfig -a -t swap -s ${size}m -u $mdstart
55	bsdlabel -w md$mdstart auto
56	newfs $newfs_flags md${mdstart}$part > /dev/null 2>&1
57	mount /dev/md${mdstart}$part $mntpoint
58
59	# start the parallel tests
60	for i in `jot $mounts`; do
61		m=$(( i + mdstart - 1 ))
62		./$0 $m &
63		./$0 find &
64	done
65
66	wait
67
68	while mount | grep -q "on $mntpoint "; do
69		umount $mntpoint > /dev/null 2>&1 || sleep 1
70	done
71	mdconfig -d -u $mdstart
72	exit 0
73else
74	touch $CONT
75	if [ $1 = find ]; then
76		while [ -f $CONT ]; do
77			find ${mntpoint}* -type f > /dev/null 2>&1
78		done
79	else
80		m=$1
81		set `df -ik $mntpoint | tail -1 | awk '{print $4,$7}'`
82		export KBLOCKS=$(($1 / N))
83		export INODES=$(($2 / N))
84		export runRUNTIME=1m
85		export INCARNATIONS=4
86		# The test: Parallel mount and unmounts
87		for i in `jot 4`; do
88			[ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m
89			mount -t nullfs $mntpoint ${mntpoint}$m
90			mkdir -p ${mntpoint}$m/$m
91			chmod 777 ${mntpoint}$m/$m
92			export RUNDIR=${mntpoint}$m/$m/stressX
93			export CTRLDIR=${mntpoint}$m/$m/stressX.control
94			(cd  ${mntpoint}$m/$m && find . -delete)
95			su $testuser -c 'cd ..; ./run.sh disk.cfg' > \
96			    /dev/null 2>&1 &
97			sleep 30
98
99			while mount | grep -q "on ${mntpoint}$m "; do
100				opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-f")
101				umount $opt ${mntpoint}$m > /dev/null 2>&1
102			done
103			wait
104		done
105		rm -f $CONT
106	fi
107fi
108