#!/bin/sh

#
# Copyright (c) 2015 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.
#

[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
[ `swapinfo | wc -l` -eq 1 ] && exit 0

# Copy of marcus4.sh, but with a md(4) disk.
# "panic: userret: Returning with SU cleanup request not handled" seen:
# https://people.freebsd.org/~pho/stress/log/marcus5.txt
# Fixed by r292541.

. ../default.cfg

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 5g -u $mdstart
bsdlabel -w md$mdstart auto
newfs $newfs_flags md${mdstart}$part > /dev/null
mount /dev/md${mdstart}$part $mntpoint
chmod 777 $mntpoint

size=$((`sysctl -n hw.physmem` / 1024 / 1024))
[ $size -gt $((4 * 1024)) ] &&
    echo "RAM should be capped to 4GB for this test."
[ "`sysctl -n debug.deadlkres.sleepfreq 2>/dev/null`" = "3" ] &&
    { echo "deadlkres must be disabled for this test."; exit 0; }

n=`find ../testcases -perm -1 -type f | wc -l`
m=`su $testuser -c "limits | awk '/maxprocesses/ {print \\$NF}'"`

export RUNDIR=$mntpoint/stressX
export INCARNATIONS=$((m / n))
export runRUNTIME=15m
export LOAD=80
export symlinkLOAD=80
export rwLOAD=80
export TESTPROGS="
testcases/lockf2/lockf2
testcases/symlink/symlink
testcases/openat/openat
testcases/rw/rw
testcases/fts/fts
testcases/link/link
testcases/lockf/lockf
testcases/creat/creat
testcases/mkdir/mkdir
testcases/rename/rename
testcases/mkfifo/mkfifo
"

timeout 20m su $testuser -c 'cd ..; ./testcases/run/run $TESTPROGS'

n=0
while mount | grep $mntpoint | grep -q /dev/md; do
	umount $mntpoint || sleep 1
	[ $((n += 1)) -gt 300 ] && { echo FAIL; exit 1; }
done
checkfs /dev/md${mdstart}$part; s=$!
mdconfig -d -u $mdstart
exit $s