svn commit: r278991 - user/pho/stress2/misc

Thu Feb 19 10:28:23 UTC 2015

Author: pho
Date: Thu Feb 19 10:28:22 2015
New Revision: 278991
URL: https://svnweb.freebsd.org/changeset/base/278991

Log:
  Added two more core dump test scenarios.
  
  Sponsored by:	 EMC / Isilon storage division

Added:
  user/pho/stress2/misc/core2.sh   (contents, props changed)
  user/pho/stress2/misc/core3.sh   (contents, props changed)

Added: user/pho/stress2/misc/core2.sh
==============================================================================

--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/core2.sh	Thu Feb 19 10:28:22 2015	(r278991)
@@ -0,0 +1,95 @@
+#!/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.
+#
+# $FreeBSD$
+#
+
+# Test multiple (parallel) core dumps and umount
+
+. ../default.cfg
+
+odir=`pwd`
+
+cd /tmp
+sed '1,/^EOF/d' < $odir/$0 > core2.c
+mycc -o core2 -Wall -Wextra -O0 core2.c || exit 1
+rm -f core2.c
+cd $RUNDIR
+
+mount | grep "on $mntpoint " | grep -q md$mdstart && umount $mntpoint
+[ -c /dev/mn$mdstart ] && mdconfig -d -u $mdstart
+mdconfig -a -t swap -s 1g -u $mdstart
+bsdlabel -w md$mdstart auto
+newfs $newfs_flags md${mdstart}$part > /dev/null
+mount /dev/md${mdstart}$part $mntpoint
+
+touch /tmp/continue
+for i in `jot 64`; do
+	mkdir -p $mntpoint/d$i
+	(cd $mntpoint; /tmp/core2) &
+done
+rm -f /tmp/continue
+
+for i in `jot 60`; do
+	umount $mntpoint 2>/dev/null || sleep 1
+	mount | grep -q "on $mntpoint " || break
+done
+mount | grep -q "on $mntpoint " &&
+    umount -f $mntpoint
+mdconfig -d -u $mdstart
+rm -f core2
+exit
+EOF
+#include <sys/mman.h>
+
+#include <err.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#define SIZ 1L * 128 * 1024 * 1024
+
+void *p;
+
+int
+main(void)
+{
+	size_t len;
+
+	len = SIZ;
+	p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0);
+
+	while (access("/tmp/continue", R_OK) == 0)
+		usleep(1);
+
+	raise(SIGSEGV);
+
+	return (0);
+}

Added: user/pho/stress2/misc/core3.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/core3.sh	Thu Feb 19 10:28:22 2015	(r278991)
@@ -0,0 +1,151 @@
+#!/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.
+#
+# $FreeBSD$
+#
+
+# Test multiple (parallel) core dumps and mount / umount.
+# mount(8) stuck in "ufs" or "tmpfs".
+# http://people.freebsd.org/~pho/stress/log/kostik724.txt
+# Fixed by r272535.
+# On i386 pgrep(1) loops. Fixed by r272566.
+
+. ../default.cfg
+
+odir=`pwd`
+
+cd /tmp
+sed '1,/^EOF/d' < $odir/$0 > core3.c
+mycc -o core3 -Wall -Wextra -O2 core3.c || exit 1
+rm -f core3.c
+cd $odir
+
+mount | grep -q "on $mntpoint " && umount $mntpoint
+[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
+mdconfig -a -t swap -s 1g -u $mdstart
+bsdlabel -w md$mdstart auto
+newfs $newfs_flags md${mdstart}$part > /dev/null
+chmod 755 /mnt
+mount /dev/md${mdstart}$part $mntpoint
+mkdir $mntpoint/d
+chmod 777 $mntpoint/d
+
+su $testuser -c "/tmp/core3 $mntpoint/d" &
+sleep 1
+
+while pgrep -q core3; do
+	[ -d $mntpoint/d ] &&
+	   umount -f $mntpoint
+done > /dev/null 2>&1  &
+while pgrep -q core3; do
+	[ -d $mntpoint/d ] ||
+	   mount /dev/md${mdstart}$part $mntpoint
+done > /dev/null 2>&1 
+wait
+mount | grep -q "on $mntpoint " &&
+	    umount -f $mntpoint
+mdconfig -d -u $mdstart
+
+# tmpfs
+mount -t tmpfs tmpfs $mntpoint
+su $testuser -c "/tmp/core3 $mntpoint/d" &
+sleep 1
+
+while pgrep -q core3; do
+	[ -d $mntpoint/d ] &&
+	   umount -f $mntpoint
+done &
+while pgrep -q core3; do
+	if [ ! -d $mntpoint/d ]; then
+		mount -t tmpfs tmpfs $mntpoint
+		mkdir $mntpoint/d
+	fi
+done
+wait
+mount | grep -q "on $mntpoint " &&
+    umount -f $mntpoint
+
+rm -f core3
+exit
+EOF
+#include <sys/mman.h>
+#include <sys/wait.h>
+
+#include <err.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#define PARALLEL 64
+#define SIZ (4 * 1024 * 1024)
+
+void *p;
+
+void
+test(char *argv[])
+{
+	size_t len;
+
+	len = SIZ;
+	p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0);
+
+	/*
+	 * This loop caused mount to wait in "ufs".
+	 * Adding a usleep(200) would remove the hang.
+	 */
+	while (chdir(argv[1]) == -1)
+		;
+
+	raise(SIGSEGV);
+
+	_exit(0);
+}
+
+int
+main(int argc, char *argv[])
+{
+	time_t start;
+	int i;
+
+	if (argc != 2)
+		errx(1, "Usage: %s <path>", argv[0]);
+
+	start = time(NULL);
+	while (time(NULL) - start < 600) {
+		for (i = 0; i < PARALLEL; i++) {
+			if (fork() == 0)
+				test(argv);
+		}
+		for (i = 0; i < PARALLEL; i++)
+			wait(NULL);
+	}
+
+	return (0);
+}
