xref: /freebsd/tools/test/stress2/misc/trim.sh (revision 3078531de10dcae44b253a35125c949ff4235284)
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# Run with marcus.cfg on a malloc backed MD with option trim.
32# Various panics seen with WiP kernel code. For example:
33# panic: Bad tailq head 0xfffff80160cb7170 first->prev != head
34
35. ../default.cfg
36
37malloc_wait=`sysctl vm.md_malloc_wait | awk {'print $NF}'`
38[ $malloc_wait != 1 ] && sysctl vm.md_malloc_wait=1
39mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
40mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
41
42size="128m"
43[ `uname -m` = "amd64" ] && size="1g"
44[ $# -eq 0 ] && trim=-t
45s=0
46opt=""
47[ "$newfs_flags" = "-U" ] && opt="-U -j"
48export MAXSWAPPCT=80
49for flag in ' ' $opt; do
50	echo "mdconfig -a -t malloc -o reserve -s $size -u $mdstart"
51	mdconfig -a -t malloc -o reserve -s $size -u $mdstart || exit 1
52
53	echo "newfs $trim $flag md$mdstart"
54	newfs $trim $flag md$mdstart > /dev/null
55	mount /dev/md$mdstart $mntpoint || exit 1
56	chmod 777 $mntpoint
57
58	export runRUNTIME=5m
59	export RUNDIR=$mntpoint/stressX
60
61	su $testuser -c 'cd ..; ./run.sh marcus.cfg' > /dev/null 2>&1
62
63	for i in `jot 6`; do
64		umount $mntpoint && break || sleep 10
65	done
66	[ $i -eq 6 ] && { s=1; break; }
67	checkfs /dev/md$mdstart || s=1
68	mdconfig -d -u $mdstart
69done
70[ $malloc_wait != 1 ] && sysctl vm.md_malloc_wait=$malloc_wait
71exit $s
72