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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/pfl.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/pfl.sh')
-rwxr-xr-x | tools/test/stress2/misc/pfl.sh | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/pfl.sh b/tools/test/stress2/misc/pfl.sh new file mode 100755 index 000000000000..6d590b5cf225 --- /dev/null +++ b/tools/test/stress2/misc/pfl.sh @@ -0,0 +1,188 @@ +#!/bin/sh + +# +# Copyright (c) 2013 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. +# + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +# Test scenario for the change of a global SU lock to a per filesystem lock. + +. ../default.cfg + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > pfl.c +mycc -o pfl -Wall -Wextra pfl.c || exit 1 +rm -f pfl.c +cd $here + +md1=$mdstart +md2=$((mdstart + 1)) +mp1=${mntpoint}$md1 +mp2=${mntpoint}$md2 +mkdir -p $mp1 $mp2 + +usermem=`sysctl -n hw.usermem` +[ `swapinfo | wc -l` -eq 1 ] && usermem=$((usermem/100*80)) +size=$((2 * 1024 * 1024 * 1024)) # Ideal disk size is 2G +[ $((size * 2)) -gt $usermem ] && size=$((usermem / 2)) +size=$((size / 1024 / 1024)) + +opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-j" || echo "-U") +[ "$newfs_flags" = "-U" ] || opt="" +mount | grep "on $mp1 " | grep -q /dev/md && umount -f $mp1 +[ -c /dev/md$md1 ] && mdconfig -d -u $md1 +mdconfig -a -t swap -s ${size}m -u $md1 +bsdlabel -w md$md1 auto +newfs $opt md${md1}$part > /dev/null +mount /dev/md${md1}$part $mp1 +chmod 777 $mp1 + +mount | grep "on $mp2 " | grep -q /dev/md && umount -f $mp2 +[ -c /dev/md$md2 ] && mdconfig -d -u $md2 +mdconfig -a -t swap -s ${size}m -u $md2 +bsdlabel -w md$md2 auto +newfs $opt md${md2}$part > /dev/null +mount /dev/md${md2}$part $mp2 +chmod 777 $mp2 + +su $testuser -c "cd $mp1; /tmp/pfl" & +pids=$! +su $testuser -c "cd $mp2; /tmp/pfl" & +pids="$pids $!" +sleep .5 +s=0 +start=`date '+%s'` +while pgrep -q pfl; do + if [ $((`date '+%s'`- start)) -gt 900 ]; then + s=1 + echo "$0 timed out." + pkill -9 pfl + fi + sleep 10 +done +for p in $pids; do + wait $p + [ $? -ne 0 ] && s=2 +done + +while mount | grep "$mp2 " | grep -q /dev/md; do + umount $mp2 || sleep 1 +done +mdconfig -d -u $md2 +while mount | grep "$mp1 " | grep -q /dev/md; do + umount $mp1 || sleep 1 +done +rm -f /tmp/pfl +mdconfig -d -u $md1 +exit $s + +EOF +#include <sys/mount.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/wait.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <sched.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#define PARALLEL 10 + +static void +test(void) +{ + pid_t pid; + int fd, i, j; + char file[128]; + + pid = getpid(); + sprintf(file,"d%05d", pid); + if (mkdir(file, 0740) == -1) + err(1, "mkdir(%s)", file); + chdir(file); + for (j = 0; j < 10000; j++) { + sprintf(file,"p%05d.%05d", pid, j); + if ((fd = open(file, O_CREAT | O_TRUNC | O_WRONLY, 0644)) == + -1) { + if (errno != EINTR) { + warn("mkdir(%s). %s:%d", file, __FILE__, + __LINE__); + unlink("continue"); + break; + } + } + if (arc4random() % 100 < 10) + if (write(fd, "1", 1) != 1) + err(1, "write()"); + close(fd); + + } + sleep(3); + + for (i = --j; i >= 0; i--) { + sprintf(file,"p%05d.%05d", pid, i); + if (unlink(file) == -1) + err(3, "unlink(%s)", file); + + } + chdir(".."); + sprintf(file,"d%05d", pid); + if (rmdir(file) == -1) + err(3, "unlink(%s)", file); +} + +int +main(void) +{ + pid_t pids[PARALLEL]; + int e, fd, j, k, s; + + umask(0); + if ((fd = open("continue", O_CREAT, 0644)) == -1) + err(1, "open()"); + close(fd); + e = 0; + for (j = 0; j < PARALLEL; j++) { + if ((pids[j] = fork()) == 0) { + for (k = 0; k < 40; k++) + test(); + _exit(0); + } + } + + for (j = 0; j < PARALLEL; j++) { + if (waitpid(pids[j], &s, 0) == -1) + err(1, "waitpid(%d)", pids[j]); + e += s == 0 ? 0 : 1; + } + + return (e); +} |