svn commit: r327237 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Wed Dec 27 09:25:45 2017
New Revision: 327237
URL: https://svnweb.freebsd.org/changeset/base/327237

Log:
  Added a regression test.
  
  Sponsored by:	Dell EMC Isilon

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

Added: user/pho/stress2/misc/dd.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/dd.sh	Wed Dec 27 09:25:45 2017	(r327237)
@@ -0,0 +1,64 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2017 Dell EMC Isilon
+# 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.
+#
+# $FreeBSD$
+#
+
+# Watchdog fired:
+# https://people.freebsd.org/~pho/stress/log/mark013.txt
+# Fixed by: r327213
+
+. ../default.cfg
+
+outputfile=$RUNDIR/dd.outputfile
+(cd ../testcases/swap; ./swap -t 30m -i 20) > /dev/null 2>&1 &
+trap "rm -f ${outputfile}*" EXIT INT
+N=2
+NCPU=`sysctl -n hw.ncpu`
+s=0
+size=512
+start=`date '+%s'`
+while [ $((`date '+%s'` - start)) -lt 720 ]; do
+	pids=""
+	for i in `jot $N`; do
+		dd if=/dev/zero of=${outputfile}$i bs=1m count=$size &
+		pids="$pids $!"
+	done > /dev/null 2>&1
+	for pid in $pids; do
+		wait $pid
+		s=$?
+		[ $s -ne 0 ] && break 2
+	done
+	N=$((N * 2))
+	rm -f ${outputfile}*
+	[ $N -gt $((NCPU * 2)) ] && break
+done
+
+while pgrep -q swap; do
+	pkill -9 swap
+done
+exit $s