svn commit: r269872 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Tue Aug 12 12:45:30 2014
New Revision: 269872
URL: http://svnweb.freebsd.org/changeset/base/269872

Log:
  Added new test scenario.
  
  Sponsored by:	 EMC / Isilon storage division

Added:
  user/pho/stress2/misc/crossmp5.sh   (contents, props changed)

Added: user/pho/stress2/misc/crossmp5.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/crossmp5.sh	Tue Aug 12 12:45:30 2014	(r269872)
@@ -0,0 +1,98 @@
+#!/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.
+#
+# $FreeBSD$
+#
+
+# Variation of crossmp3.sh
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+. ../default.cfg
+
+N=`sysctl -n hw.ncpu`
+size=$((`sysctl -n hw.usermem` / 1024 / 1024 / N))
+
+mounts=$N		# Number of parallel scripts
+
+if [ $# -eq 0 ]; then
+	for i in `jot $mounts`; do
+		m=$(( i + mdstart - 1 ))
+		[ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m
+		mount | grep "${mntpoint}$m" | grep -q md$m &&
+		    umount ${mntpoint}$m
+		mdconfig -l | grep -q md$m && mdconfig -d -u $m
+
+		mdconfig -a -t swap -s ${size}m -u $m
+		bsdlabel -w md$m auto
+		newfs $newfs_flags md${m}$part > /dev/null 2>&1
+	done
+
+	# start the parallel tests
+	for i in `jot $mounts`; do
+		m=$(( i + mdstart - 1 ))
+		./$0 $m &
+		./$0 find &
+	done
+
+	for i in `jot $mounts`; do
+		wait; wait
+	done
+
+	for i in `jot $mounts`; do
+		m=$(( i + mdstart - 1 ))
+		mdconfig -d -u $m
+		rm -f $D$m
+	done
+
+else
+	touch /tmp/crossmp.continue
+	if [ $1 = find ]; then
+		while [ -f /tmp/crossmp.continue ]; do
+			find ${mntpoint}* -type f > /dev/null 2>&1
+		done
+	else
+		# The test: Parallel mount and unmounts
+		m=$1
+		for i in `jot 200`; do
+			mount /dev/md${m}${part} ${mntpoint}$m
+			chmod 777 ${mntpoint}$m
+			l=`od -An -N2 -t u2 /dev/random |
+			    sed 's/ //g'`
+			dd if=/dev/zero of=$mntpoint/$i bs=$l count=100 \
+			    2>&1 | egrep -v 'records|transferred'
+			rm -f $mntpoint/$i
+
+			while mount | grep -q "on ${mntpoint}$m "; do
+				opt=$([ $((`date '+%s'` % 2)) -eq 0 ] &&
+				    echo "-f")
+				umount $opt ${mntpoint}$m > /dev/null 2>&1
+			done
+		done
+		rm -f /tmp/crossmp.continue
+	fi
+fi