xref: /freebsd/tools/test/stress2/misc/crossmp4.sh (revision 38a52bd3)
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	newfs $newfs_flags md$mdstart > /dev/null 2>&1
56	mount /dev/md$mdstart $mntpoint
57
58	# start the parallel tests
59	for i in `jot $mounts`; do
60		m=$(( i + mdstart - 1 ))
61		./$0 $m &
62		./$0 find &
63	done
64
65	wait
66
67	while mount | grep -q "on $mntpoint "; do
68		umount $mntpoint > /dev/null 2>&1 || sleep 1
69	done
70	mdconfig -d -u $mdstart
71	exit 0
72else
73	touch $CONT
74	if [ $1 = find ]; then
75		while [ -f $CONT ]; do
76			find ${mntpoint}* -type f > /dev/null 2>&1
77		done
78	else
79		m=$1
80		set `df -ik $mntpoint | tail -1 | awk '{print $4,$7}'`
81		export KBLOCKS=$(($1 / N))
82		export INODES=$(($2 / N))
83		export runRUNTIME=1m
84		export INCARNATIONS=4
85		# The test: Parallel mount and unmounts
86		for i in `jot 4`; do
87			[ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m
88			mount -t nullfs $mntpoint ${mntpoint}$m
89			mkdir -p ${mntpoint}$m/$m
90			chmod 777 ${mntpoint}$m/$m
91			export RUNDIR=${mntpoint}$m/$m/stressX
92			export CTRLDIR=${mntpoint}$m/$m/stressX.control
93			(cd  ${mntpoint}$m/$m && find . -delete)
94			su $testuser -c 'cd ..; ./run.sh disk.cfg' > \
95			    /dev/null 2>&1 &
96			sleep 30
97
98			while mount | grep -q "on ${mntpoint}$m "; do
99				opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-f")
100				umount $opt ${mntpoint}$m > /dev/null 2>&1
101			done
102			wait
103		done
104		rm -f $CONT
105	fi
106fi
107