xref: /freebsd/tools/test/stress2/misc/gnop2.sh (revision db33c6f3ae9d1231087710068ee4ea5398aacca7)
1#!/bin/sh
2
3#
4# Copyright (c) 2016 Dell EMC
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# "panic: vnode_pager_generic_getpages: sector size 8192 too large" seen
32# with an 8k sector size:
33# https://people.freebsd.org/~pho/stress/log/gnop2.txt
34# Fixed by r307626
35
36. ../default.cfg
37
38kldstat | grep -q geom_nop || { gnop load 2>/dev/null || exit 0 &&
39    notloaded=1; }
40dir=/tmp
41odir=`pwd`
42cd $dir
43sed '1,/^EOF/d' < $odir/mmap5.sh > $dir/gnop2.c
44mycc -o gnop2  -Wall -Wextra gnop2.c || exit 1
45rm -f gnop2.c
46cd $odir
47
48test() {
49	. ../default.cfg
50
51	mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
52	[ -c /dev/md$mdstart ] &&  mdconfig -d -u $mdstart
53
54	set -e
55	mdconfig -a -t swap -s 2g -u $mdstart
56	gnop create -S $1 /dev/md$mdstart
57	newfs $newfs_flags /dev/md$mdstart.nop > /dev/null
58	mount /dev/md$mdstart.nop $mntpoint
59	chmod 777 $mntpoint
60	set +e
61
62	dd if=/dev/zero of=$mntpoint/file bs=1k count=333 status=none
63	/tmp/gnop2 $mntpoint/file
64
65	while mount | grep $mntpoint | grep -q /dev/md; do
66		umount $mntpoint || sleep 1
67	done
68	gnop destroy /dev/md$mdstart.nop
69	mdconfig -d -u $mdstart
70}
71
72gnop status || exit 1
73
74start=`date +%s`
75for i in 1k 2k 4k 8k; do
76	test $i
77	[ $((`date +%s` - start)) -gt 1200 ] && break
78done
79
80[ $notloaded ] && gnop unload
81rm -f /tmp/gnop2
82exit 0
83