svn commit: r305131 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Wed Aug 31 15:06:24 2016
New Revision: 305131
URL: https://svnweb.freebsd.org/changeset/base/305131

Log:
  Added a regression test.
  
  Sponsored by:	EMC / Isilon Storage Division

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

Added: user/pho/stress2/misc/swapoff.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/swapoff.sh	Wed Aug 31 15:06:24 2016	(r305131)
@@ -0,0 +1,71 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2016 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.
+#
+# $FreeBSD$
+#
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+# "panic: swapoff: failed to locate 17590 swap blocks" seen:
+# https://people.freebsd.org/~pho/stress/log/swapoff.txt
+
+# Fixed by r305129.
+
+. ../default.cfg
+
+[ `sysctl -n vm.swap_total` -eq 0 ] && exit 0
+[ `sysctl -n hw.physmem` -gt $(( 4 * 1024 * 1024 * 1024)) ] &&
+    echo "RAM should be capped to 4GB for this test."
+
+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 $mdstart
+bsdlabel -w md$mdstart auto
+newfs $newfs_flags md${mdstart}$part > /dev/null
+mount /dev/md${mdstart}$part $mntpoint
+chmod 777 $mntpoint
+
+export runRUNTIME=5m
+export RUNDIR=$mntpoint/stressX
+
+su $testuser -c 'cd ..; ./run.sh marcus.cfg' &
+
+sleep 120
+swapoff -a
+sleep 30
+swapon -a
+../tools/killall.sh
+wait
+
+n=0
+while mount | grep $mntpoint | grep -q /dev/md; do
+	umount $mntpoint || sleep 1
+	n=$((n + 1))
+	[ $n -gt 300 ] && { echo FAIL; exit 1; }
+done
+mdconfig -d -u $mdstart
+exit 0