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author | Peter Holm <pho@FreeBSD.org> | 2021-03-03 12:56:56 +0000 |
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committer | Peter Holm <pho@FreeBSD.org> | 2021-03-03 14:11:40 +0000 |
commit | 8a272653d9fbd9fc37691c9aad6a05089b4ecb4d (patch) | |
tree | 2463ed22a342700cb7ba2b05c3d5370f75090899 /tools/test/stress2/misc/cmp.sh | |
parent | 3adf72a36b9b151eef57e3d83f71a3a9fbacb78d (diff) | |
download | src-8a272653d9fbd9fc37691c9aad6a05089b4ecb4d.tar.gz src-8a272653d9fbd9fc37691c9aad6a05089b4ecb4d.zip |
stress2: Initial import
Discussed with: kib
Diffstat (limited to 'tools/test/stress2/misc/cmp.sh')
-rwxr-xr-x | tools/test/stress2/misc/cmp.sh | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/cmp.sh b/tools/test/stress2/misc/cmp.sh new file mode 100755 index 000000000000..bd492c8493ca --- /dev/null +++ b/tools/test/stress2/misc/cmp.sh @@ -0,0 +1,187 @@ +#!/bin/sh + +# +# Copyright (c) 2014 EMC Corp. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# + +# Cross mount test of mkdir(2). +# Page fault seen: +# http://people.freebsd.org/~pho/stress/log/cmp.txt +# Fixed by r275347 + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > cmp.c +mycc -o cmp -Wall -Wextra -O2 -g cmp.c || exit 1 +rm -f cmp.c + +mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint +[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart + +mdconfig -a -t swap -s 2g -u $mdstart || exit 1 +bsdlabel -w md$mdstart auto +# Don't use SU due to bogus "out of inodes" messages. +newfs md${mdstart}$part > /dev/null +mount /dev/md${mdstart}$part $mntpoint +chmod 777 $mntpoint + +daemon sh -c "(cd $here/../testcases/swap; ./swap -t 5m -i 20 -h -l 100)" \ + > /dev/null 2>&1 +sleep 1 +su $testuser -c "/tmp/cmp $mntpoint" & + +while kill -0 $! 2>/dev/null; do + umount -f $mntpoint && + mount /dev/md${mdstart}$part $mntpoint + chmod 777 $mntpoint + sleep .1 +done +wait + +while mount | grep $mntpoint | grep -q /dev/md; do + umount $mntpoint || sleep 1 +done +mdconfig -d -u $mdstart +[ -d "$mntpoint" ] && (cd $mntpoint && find . -delete) + +# tmpfs +mount -t tmpfs tmpfs $mntpoint +chmod 777 $mntpoint + +su $testuser -c "/tmp/cmp $mntpoint" & + +while kill -0 $! 2>/dev/null; do + umount -f $mntpoint && + mount -t tmpfs tmpfs $mntpoint + chmod 777 $mntpoint + sleep .1 +done +pkill -9 swap +wait + +while pkill -9 swap; do + : +done > /dev/null 2>&1 +while mount | grep $mntpoint | grep -q tmpfs; do + umount $mntpoint || sleep 1 +done +[ -d "$mntpoint" ] && (cd $mntpoint && find . -delete) +rm -f /tmp/cmp +exit 0 +EOF +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/wait.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define LOOPS 160 +#define PARALLEL 16 + +int nbc, nbd; +char *dir; + +void +tmkdir(void) +{ + int i, j; + char d[MAXPATHLEN + 1], name[MAXPATHLEN + 1]; + + setproctitle(__func__); + + i = 0; + snprintf(name, sizeof(name), "%s/d1.%05d", dir, getpid()); + if (mkdir(name, 0755) == -1) { + if (errno != ENAMETOOLONG && errno != ENOENT && + errno != EBUSY && errno != EACCES && errno != EPERM) + warn("mkdir(%s)", name); + _exit(0); + } + for (;;) { + snprintf(d, sizeof(d), "/%d", i++); + strncat(name, d, sizeof(name) - 1); + if (mkdir(name, 0755) == -1) { + if (errno != ENAMETOOLONG && errno != ENOENT && + errno != EBUSY && errno != EACCES && errno != EPERM) + warn("mkdir(%s)", name); + i--; + break; + } + nbc++; + } + + while (i >= 0) { + snprintf(name, sizeof(name), "%s/d1.%05d", dir, getpid()); + for (j = 0; j < i; j++) { + snprintf(d, sizeof(d), "/%d", j); + strncat(name, d, sizeof(name) - 1); + } + if (rmdir(name) == -1) { + if (errno != ENOTEMPTY && errno != ENOENT && errno != + EBUSY) + warn("rmdir(%s)", name); + } else + nbd++; + i--; + } +#if defined(TEST) + if (nbc == 0) + fprintf(stderr, "FAIL nbc = %d, nbd = %d\n", nbc, nbd); +#endif + _exit(0); +} + +int +main(int argc, char **argv) +{ + int i, j; + + if (argc != 2) { + fprintf(stderr, "Usage: %s <full path to dir>", argv[0]); + exit(1); + } + dir = argv[1]; + + for (j = 0; j < LOOPS; j++) { + for (i = 0; i < PARALLEL; i++) { + if (fork() == 0) + tmkdir(); + } + for (i = 0; i < PARALLEL; i++) + wait(NULL); + } + + return(0); +} |