xref: /freebsd/tools/test/stress2/misc/crossmp6.sh (revision fd45b686f9d92f583366c75b22c04c7ee49709c0)
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# Copy of crossmp2.sh: NFS test, with lockf(1) added.
30# "panic: vinvalbuf: dirty bufs" seen.
31# https://people.freebsd.org/~pho/stress/log/crossmp6.txt
32# Fixed by r283968.
33
34[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
35
36. ../default.cfg
37
38[ -z "$nfs_export" ] && exit 0
39ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 ||
40    exit 0
41pgrep -q lockd || { echo "lockd not running."; exit 0; }
42
43CONT=/tmp/crossmp6.continue
44mounts=10	# Number of parallel scripts
45
46if [ $# -eq 0 ]; then
47	[ -z "$nfs_export" ] && exit 0
48	ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 ||
49	    exit 0
50	mount -t nfs -o tcp -o nfsv3 -o retrycnt=1 -o soft,timeout=1 \
51	    -o rw $nfs_export $mntpoint || exit 0
52	umount $mntpoint
53
54	for i in `jot $mounts`; do
55		mp=${mntpoint}$i
56		[ ! -d $mp ] && mkdir $mp
57		mount | grep -qw "$mp" && umount $mp
58	done
59
60	# start the parallel tests
61	for i in `jot $mounts`; do
62		./$0 $i &
63		./$0 find $i &
64	done
65	wait
66	mount -t nfs -o tcp -o nfsv3 -o retrycnt=1 -o soft,timeout=1 \
67	    -o rw $nfs_export $mntpoint || exit 0
68	sleep .5
69	rm -f $mntpoint/$0.*
70	umount $mntpoint
71	rm -f $mntpoint*/$0.*
72	exit 0
73else
74	if [ $1 = find ]; then
75		for i in `jot 128`; do
76			find ${mntpoint}* -maxdepth 1 -type f > \
77			    /dev/null 2>&1
78			(lockf  -t 10 ${mntpoint}$2/$0.$$.$i sleep 1 &) > \
79			    /dev/null 2>&1
80		[ -f $CONT ] || break
81		done
82		wait
83	else
84		# The test: Parallel mount and unmounts
85		start=`date '+%s'`
86		while [ $((`date '+%s'` - start)) -lt 300 ]; do
87			m=$1
88			mount -t nfs -o tcp -o nfsv3 -o retrycnt=3 \
89			    -o soft -o rw $nfs_export ${mntpoint}$m
90			sleep .5
91			opt=`[ $(( m % 2 )) -eq 0 ] && echo -f`
92			n=0
93			while mount | grep -qw ${mntpoint}$m; do
94				umount $opt ${mntpoint}$m > /dev/null 2>&1
95				n=$((n + 1))
96				[ $n -gt 99 ] && umount -f ${mntpoint}$m > \
97				    /dev/null 2>&1
98				[ $n -gt 100 ] && exit
99			done
100		done
101		rm -f $CONT
102	fi
103fi
104