xref: /freebsd/tools/test/stress2/misc/sigxcpu.sh (revision 38a52bd3b5cac3da6f7f6eef3dd050e6aa08ebb3)
1#!/bin/sh
2
3#
4# Copyright (c) 2013 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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
30
31# "panic: softdep_deallocate_dependencies: dangling deps" seen:
32# http://people.freebsd.org/~pho/stress/log/sigxcpu7.txt
33
34. ../default.cfg
35
36here=`pwd`
37cd /tmp
38sed '1,/^EOF/d' < $here/$0 > sigxcpu.c
39mycc -o sigxcpu -Wall -Wextra sigxcpu.c
40rm -f sigxcpu.c
41cd $here
42
43mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
44mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
45
46mdconfig -a -t swap -s 4g -u $mdstart || exit 1
47
48newfs $newfs_flags md$mdstart > /dev/null
49
50mount /dev/md$mdstart $mntpoint
51chmod 777 $mntpoint
52
53export runRUNTIME=4m
54export RUNDIR=$mntpoint/stressX
55set `df -ik $mntpoint | tail -1 | awk '{print $4,$7}'`
56export KBLOCKS=$(($1 / 4))
57export INODES=$(($2 / 4))
58
59su $testuser -c 'ulimit -t 3; cd ..; ./run.sh marcus.cfg' > /dev/null 2>&1 &
60sleep 5
61for i in `jot 10`; do
62	/tmp/sigxcpu $mntpoint
63done
64kill $! > /dev/null 2>&1
65../tools/killall.sh || ../tools/killall.sh
66wait
67
68for i in `jot 6`; do
69	mount | grep -q "on $mntpoint " || break
70	umount $mntpoint && break || sleep 10
71	[ $i -eq 6 ] &&
72	    { echo FATAL; fstat -mf $mntpoint; exit 1; }
73done
74mdconfig -d -u $mdstart
75rm -f /tmp/sigxcpu
76exit 0
77EOF
78#include <sys/param.h>
79#include <err.h>
80#include <errno.h>
81#include <fts.h>
82#include <libutil.h>
83#include <stdint.h>
84#include <stdio.h>
85#include <stdlib.h>
86#include <string.h>
87#include <unistd.h>
88
89static void
90hand(int i __unused) {	/* handler */
91	_exit(1);
92}
93
94int
95test(char *path)
96{
97
98	FTS		*fts;
99	FTSENT		*p;
100	int		ftsoptions;
101	char		*args[2];
102
103	ftsoptions = FTS_PHYSICAL;
104	args[0] = path;
105	args[1] = 0;
106
107	if ((fts = fts_open(args, ftsoptions, NULL)) == NULL)
108		err(1, "fts_open");
109
110	while ((p = fts_read(fts)) != NULL) {
111		switch (p->fts_info) {
112			case FTS_F:			/* Ignore. */
113				break;
114			case FTS_D:			/* Ignore. */
115				break;
116			case FTS_DP:
117				break;
118			case FTS_DC:			/* Ignore. */
119				break;
120			case FTS_SL:			/* Ignore. */
121				break;
122			case FTS_DNR:			/* Warn, continue. */
123			case FTS_ERR:
124			case FTS_NS:
125			case FTS_DEFAULT:
126				break;
127			default:
128				printf("%s: default, %d\n", getprogname(), p->fts_info);
129				break;
130		}
131	}
132
133	if (errno != 0 && errno != ENOENT)
134		err(1, "fts_read");
135	if (fts_close(fts) == -1)
136		err(1, "fts_close()");
137
138	return (0);
139}
140
141int
142main(int argc, char **argv)
143{
144	int i;
145
146	if (argc != 2)
147		errx(1, "Usage: %s <path>", argv[0]);
148	signal(SIGALRM, hand);
149	alarm(20);
150	for (i = 0; i < 100; i++)
151		test(argv[1]);
152
153	return (0);
154}
155