xref: /freebsd/tools/test/stress2/misc/memguard2.sh (revision 5956d97f4b3204318ceb6aa9c77bd0bc6ea87a41)
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# MEMGUARD(9) test scenario
30# http://people.freebsd.org/~pho/stress/log/memguard4.txt
31
32[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
33
34. ../default.cfg
35
36sysctl vm | grep -q memguard || { echo "MEMGUARD(9) not enabled"; exit 1; }
37
38mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
39mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
40
41mdconfig -a -t swap -s 1g -u $mdstart || exit 1
42
43newfs $newfs_flags md$mdstart > /dev/null
44
45mount /dev/md$mdstart $mntpoint
46chmod 777 $mntpoint
47
48export runRUNTIME=30s
49export RUNDIR=$mntpoint/stressX
50[ -d $RUNDIR ] || mkdir $RUNDIR
51chmod 777 $RUNDIR
52
53sysctl vm.memguard.options=3 > /dev/null
54{ vmstat -m; echo dummy; } | sed '1d;s/ [0-9].*//;s/^ *//' | \
55    sed 's/ *$//' | tr '\n' ' ' | ../tools/shuffle | \
56    tr ' ' '\n' | head -10 | while read type; do
57	sysctl vm.memguard.desc="$type"
58	su $testuser -c 'cd ..; ./run.sh disk.cfg' > /dev/null
59	find /tmp/stressX.control/* $mntpoint/stressX/* -delete 2>/dev/null
60done
61sysctl vm.memguard.desc="" > /dev/null
62sysctl vm.memguard.options=1 > /dev/null
63
64while mount | grep $mntpoint | grep -q /dev/md; do
65	umount $mntpoint || sleep 1
66done
67mdconfig -d -u $mdstart
68