svn commit: r245293 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Fri Jan 11 09:22:53 2013
New Revision: 245293
URL: http://svnweb.freebsd.org/changeset/base/245293

Log:
  Added a test of nullfs mount options cache / nocache

Added:
  user/pho/stress2/misc/nullfs11.sh   (contents, props changed)

Added: user/pho/stress2/misc/nullfs11.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/nullfs11.sh	Fri Jan 11 09:22:53 2013	(r245293)
@@ -0,0 +1,97 @@
+#!/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.
+#
+# $FreeBSD$
+#
+
+# nullfs cache / nocache benchmark
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+if [ -r ../default.cfg ]; then
+	. ../default.cfg
+else
+	mntpoint=/mnt
+	mdstart=5
+	part=a
+fi
+
+export LANG=C
+CACHE=nullfs11-cache.log
+NOCACHE=nullfs11-nocache.log
+mp1=/mnt
+mp2=/mnt2
+[ -d $mp2 ] || mkdir $mp2
+rm -f $CACHE $NOCACHE
+
+cc -o /tmp/fstool ../tools/fstool.c
+
+test() {
+	opt=$1
+	mount | grep -wq $mp2 && umount $mp2
+	mount | grep -wq $mp1 && umount $mp1
+	mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
+	mdconfig -a -t swap -s 2g -u $mdstart || exit 1
+	bsdlabel -w md$mdstart auto
+	newfs -U md${mdstart}${part} > /dev/null
+	mount /dev/md${mdstart}$part $mp1
+
+	mount -t nullfs $opt $mp1 $mp2
+
+	i=1
+	(mkdir $mp2/test$i; cd $mp2/test$i; /tmp/fstool -l -f 50 -n 500 -s 4k)
+	rm -rf $mp2/test$i
+	sync
+	sleep 5
+
+	parallel=4
+	for j in `jot 5`; do
+		s=`date '+%s'`
+		for i in `jot $parallel`; do
+			(mkdir $mp2/test$i; cd $mp2/test$i; \
+			/tmp/fstool -l -f 50 -n 500 -s $((i * 4))k) & 
+		done
+		for i in `jot $parallel`; do
+			wait
+		done
+		rm -rf $mp2/*
+		echo $((`date '+%s'` - $s))
+	done
+	while mount | grep -wq $mp2;  do
+		umount $mp2 || sleep 1
+	done
+	while mount | grep $mp1 | grep -q /dev/md; do
+		umount $mp1 || sleep 1
+	done
+	mdconfig -d -u $mdstart
+}
+
+test "-o nocache" > $NOCACHE
+test "-o cache"   > $CACHE
+
+ministat -s -w 60 $NOCACHE $CACHE
+rm -f /tmp/fstool $CACHE $NOCACHE