#!/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
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# 2. Redistributions in binary form must reproduce the above copyright
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# MEMGUARD(9) test scenario using "frequency".
# "panic: __rw_wlock_hard: recursing but non-recursive rw kmem vm object"
# seen. http://people.freebsd.org/~pho/stress/log/memguard5.txt

[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1

. ../default.cfg

sysctl vm | grep -q memguard || { echo "MEMGUARD(9) not enabled"; exit 1; }

sysctl vm.memguard.options=3
sysctl vm.memguard.frequency=1000

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
newfs $newfs_flags md$mdstart > /dev/null
mount /dev/md$mdstart $mntpoint
chmod 777 $mntpoint

export runRUNTIME=5m
export RUNDIR=$mntpoint/stressX

su $testuser -c 'cd ..; ./run.sh marcus.cfg'

while mount | grep $mntpoint | grep -q /dev/md; do
	umount $mntpoint || sleep 1
done
checkfs /dev/md$mdstart; s=$?
mdconfig -d -u $mdstart

sysctl vm.memguard.frequency=0 > /dev/null
sysctl vm.memguard.options=1 > /dev/null
exit $s