svn commit: r253598 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Wed Jul 24 08:36:38 2013
New Revision: 253598
URL: http://svnweb.freebsd.org/changeset/base/253598

Log:
  Added an old test scenario that now seems able to flush out VM radix
  problems.
  
  Sponsored by:	EMC / Isilon storage division

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

Added: user/pho/stress2/misc/fts.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/fts.sh	Wed Jul 24 08:36:38 2013	(r253598)
@@ -0,0 +1,142 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2013 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
+
+# Run with marcus.cfg on a 1g swap backed MD
+# "panic: vm_radix_remove: invalid key found" seen.
+
+. ../default.cfg
+
+here=`pwd`
+cd /tmp
+sed '1,/^EOF/d' < $here/$0 > fts.c
+cc -o fts -Wall -Wextra fts.c
+rm -f fts.c
+cd $here
+
+mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
+mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
+
+mdconfig -a -t swap -s 1g -u $mdstart || exit 1
+bsdlabel -w md$mdstart auto
+
+newfs -U md${mdstart}$part > /dev/null
+
+mount /dev/md${mdstart}$part $mntpoint
+chmod 777 $mntpoint
+
+export runRUNTIME=30m
+export RUNDIR=$mntpoint/stressX
+
+su $testuser -c 'cd ..; ./run.sh marcus.cfg' > /dev/null &
+pid=$!
+while kill -0 $pid 2> /dev/null; do
+	/tmp/fts $mntpoint
+	sleep 1
+done
+
+while mount | grep $mntpoint | grep -q /dev/md; do
+	umount $mntpoint || sleep 1
+done
+mdconfig -d -u $mdstart
+rm -f /tmp/fts
+exit
+EOF
+#include <sys/param.h>
+#include <err.h>
+#include <errno.h>
+#include <fts.h>
+#include <libutil.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+int
+test(char *path)
+{
+
+	FTS		*fts;
+	FTSENT		*p;
+	int		ftsoptions;
+	char 		*args[2];
+
+	ftsoptions = FTS_PHYSICAL;
+	args[0] = path;
+	args[1] = 0;
+
+	if ((fts = fts_open(args, ftsoptions, NULL)) == NULL)
+		err(1, "fts_open");
+
+	while ((p = fts_read(fts)) != NULL) {
+		switch (p->fts_info) {
+			case FTS_F:			/* Ignore. */
+				break;
+			case FTS_D:			/* Ignore. */
+				break;
+			case FTS_DP:
+				break;
+			case FTS_DC:			/* Ignore. */
+				break;
+			case FTS_SL:			/* Ignore. */
+				break;
+			case FTS_DNR:			/* Warn, continue. */
+			case FTS_ERR:
+			case FTS_NS:
+			case FTS_DEFAULT:
+				break;
+			default:
+				printf("%s: default, %d\n", getprogname(), p->fts_info);
+				break;
+		}
+	}
+
+	if (errno != 0 && errno != ENOENT)
+		err(1, "fts_read");
+	if (fts_close(fts) == -1)
+		err(1, "fts_close()");
+
+	return (0);
+}
+
+int
+main(int argc, char **argv)
+{
+	int i;
+
+	if (argc != 2)
+		errx(1, "Usage: %s <path>", argv[0]);
+	for (i = 0; i < 100; i++)
+		test(argv[1]);
+
+	return (0);
+}