svn commit: r253794 - user/pho/stress2/misc
Peter Holm
pho at FreeBSD.org
Tue Jul 30 07:03:53 UTC 2013
Author: pho
Date: Tue Jul 30 07:03:52 2013
New Revision: 253794
URL: http://svnweb.freebsd.org/changeset/base/253794
Log:
Added two old tmpfs(5) test cases.
Sponsored by: EMC / Isilon storage division
Added:
user/pho/stress2/misc/tmpfs5.sh (contents, props changed)
user/pho/stress2/misc/tmpfs8.sh (contents, props changed)
Added: user/pho/stress2/misc/tmpfs5.sh
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ user/pho/stress2/misc/tmpfs5.sh Tue Jul 30 07:03:52 2013 (r253794)
@@ -0,0 +1,55 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2010 Peter Holm <pho at FreeBSD.org>
+# 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.
+#
+# $FreeBSD$
+#
+
+# tmpfs + fsx test scenario.
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+. ../default.cfg
+
+here=`pwd`
+src=`uname -v | sed 's/.*:.*:\(.*\)\/sys\/.*/\1/'`
+[ -r $src/tools/regression/fsx/fsx.c ] || exit 1
+cd /tmp
+cc -o fsx -Wall $src/tools/regression/fsx/fsx.c
+
+mount | grep "$mntpoint" | grep -q tmpfs && umount $mntpoint
+mount -t tmpfs tmpfs $mntpoint
+
+(
+ /tmp/fsx -q -N 100000 $mntpoint/file.1 &
+ /tmp/fsx -q -N 100000 $mntpoint/file.2 &
+) | grep -v A-OK
+wait;wait
+
+while mount | grep "$mntpoint" | grep -q tmpfs; do
+ umount $mntpoint || sleep 1
+done
+rm -f /tmp/fsx
Added: user/pho/stress2/misc/tmpfs8.sh
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ user/pho/stress2/misc/tmpfs8.sh Tue Jul 30 07:03:52 2013 (r253794)
@@ -0,0 +1,174 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2011 Peter Holm <pho at FreeBSD.org>
+# 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.
+#
+# $FreeBSD$
+#
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+# Demonstrate rename(2) cache problem for tmpfs(5). Fixed in r226987.
+# Variation of rename6.sh
+
+. ../default.cfg
+
+here=`pwd`
+cd /tmp
+sed '1,/^EOF/d' < $here/$0 > tmpfs8.c
+cc -o tmpfs8 -Wall -Wextra -O2 tmpfs8.c
+rm -f tmpfs8.c
+cd $here
+
+mount | grep $mntpoint | grep -q tmpfs && umount -f $mntpoint
+mount -t tmpfs tmpfs $mntpoint
+chmod 777 $mntpoint
+
+su ${testuser} -c "cd $mntpoint; /tmp/tmpfs8"
+
+while mount | grep $mntpoint | grep -q tmpfs; do
+ umount $mntpoint || sleep 1
+done
+rm -f /tmp/tmpfs8
+exit
+EOF
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sched.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <time.h>
+#include <unistd.h>
+
+pid_t spid;
+const char *logfile = "test.log";
+char new[128];
+
+void
+cleanup()
+{
+ kill(spid, SIGINT);
+}
+
+static void
+Stat()
+{
+ struct stat sb;
+ int i;
+
+ setproctitle("Stat");
+ for (;;) {
+ for (i = 0; i < 1000; i++) {
+ stat(logfile, &sb);
+ stat(new, &sb);
+ }
+// usleep(1000);
+ usleep(100);
+ }
+}
+
+int
+main(void)
+{
+ struct stat sb1, sb2, sb3;
+ int fd, i, r1, r2, r3;
+
+ if ((spid = fork()) == 0)
+ Stat();
+
+ setproctitle("main");
+ atexit(cleanup);
+ for (i = 0; i < 200000; i++) {
+ bzero(&sb1, sizeof(sb1));
+ bzero(&sb2, sizeof(sb2));
+ if ((fd = open(logfile, O_RDWR | O_CREAT | O_TRUNC, 0644)) == -1)
+ err(1, "creat(%s)", logfile);
+ close(fd);
+
+ sprintf(new, "test.log.%05d", i);
+ if ((fd = open(new, O_RDWR | O_CREAT | O_TRUNC, 0644)) == -1)
+ err(1, "creat(%s)", new);
+ write(fd, "xxx", 3);
+ close(fd);
+ if ((r3 = stat(new, &sb3)) == -1)
+ err(1, "stat(%s)", new);
+#if 1
+ if (rename(logfile, new) == -1)
+ warn("rename(%s, %s)", logfile, new);
+#else
+ /* No cache problem is seen */
+ if (link(logfile, new) == -1)
+ err(1, "link(%s, %s)", logfile, new);
+ if (unlink(logfile) == -1)
+ err(1, "unlink(%s)", logfile);
+#endif
+ /*
+ * stat() for logfile and new will be identical sometimes,
+ * but only when Stat() is running.
+ */
+ r1 = stat(logfile, &sb1);
+ r2 = stat(new, &sb2);
+ if (r1 == 0 && r2 == 0 &&
+ bcmp(&sb1, &sb2, sizeof(sb1)) == 0) {
+ fprintf(stderr, "FAIL 1\n");
+ fprintf(stderr, "%-15s: ino = %4d, nlink = %d, size = %jd\n",
+ logfile, sb1.st_ino, sb1.st_nlink, sb1.st_blocks);
+ fprintf(stderr, "%-15s: ino = %4d, nlink = %d, size = %jd\n",
+ new , sb2.st_ino, sb2.st_nlink, sb2.st_blocks);
+ }
+ if (bcmp(&sb2, &sb3, sizeof(sb2)) == 0) {
+ fprintf(stderr, "Old to file is lingering\n");
+ }
+ if (sb2.st_ino == sb3.st_ino) {
+ fprintf(stderr, "FAIL 2\n");
+ if (r1 == 0)
+ fprintf(stderr,
+ "sb1: %-15s: ino = %4d, nlink = %d, size = %jd\n",
+ logfile, sb1.st_ino, sb1.st_nlink, sb1.st_blocks);
+ if (r2 == 0)
+ fprintf(stderr,
+ "sb2: %-15s: ino = %4d, nlink = %d, size = %jd\n",
+ new, sb2.st_ino, sb2.st_nlink, sb2.st_blocks);
+ if (r3 == 0)
+ fprintf(stderr,
+ "sb3: %-15s: ino = %4d, nlink = %d, size = %jd\n",
+ new , sb3.st_ino, sb3.st_nlink, sb3.st_blocks);
+ exit(1);
+ }
+ unlink(new);
+ }
+
+ kill(spid, SIGINT);
+ wait(NULL);
+
+ return (0);
+}
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