xref: /freebsd/tools/test/stress2/misc/memguard.sh (revision 608c97bff921c8936eb71f4b1a177625cfa60250)
1#!/bin/sh
2
3#
4# Copyright (c) 2011 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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
30
31# MEMGUARD(9) test scenario: Page fault seen in softdep_setup_inomapdep().
32
33. ../default.cfg
34
35sysctl vm | grep -q memguard || { echo "MEMGUARD(9) not enabled"; exit 0; }
36
37mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
38mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
39
40mdconfig -a -t swap -s 20m -u $mdstart || exit 1
41
42newfs $newfs_flags md$mdstart > /dev/null
43
44mount /dev/md$mdstart $mntpoint
45chmod 777 $mntpoint
46
47export runRUNTIME=5m
48export RUNDIR=$mntpoint/stressX
49set `df -ik $mntpoint | tail -1 | awk '{print $4,$7}'`
50export KBLOCKS=$(($1 * 2))
51export  INODES=$(($2 * 2))
52
53sysctl vm.memguard.options=3 > /dev/null
54sysctl vm.memguard.desc=inodedep
55
56su $testuser -c 'cd ..; ./run.sh disk.cfg' > /dev/null
57
58sysctl vm.memguard.desc="" > /dev/null
59sysctl vm.memguard.options=1 > /dev/null
60
61while mount | grep $mntpoint | grep -q /dev/md; do
62	umount $mntpoint || sleep 1
63done
64mdconfig -d -u $mdstart
65