#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2017 Oracle, Inc.  All Rights Reserved.
#
# FS QA Test No. 285
#
# Race fio and xfs_scrub for a while to see if we crash or livelock.
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 7 15

_cleanup()
{
	cd /
	rm -rf $tmp.*
}

# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/fuzzy
. ./common/inject

# real QA test starts here
_supported_fs xfs
_require_test_program "feature"
_require_command "$KILLALL_PROG" killall
_require_command "$TIMEOUT_PROG" timeout
_require_scrub
_require_scratch

echo "Format and populate"
_scratch_mkfs > "$seqres.full" 2>&1
_scratch_mount

STRESS_DIR="$SCRATCH_MNT/testdir"
mkdir -p $STRESS_DIR

cpus=$(( $($here/src/feature -o) * 4 * LOAD_FACTOR))
$FSSTRESS_PROG -d $STRESS_DIR -p $cpus -n $((cpus * 100000)) $FSSTRESS_AVOID >/dev/null 2>&1 &
$XFS_SCRUB_PROG -d -T -v -n $SCRATCH_MNT >> $seqres.full

killstress() {
	sleep $(( 60 * TIME_FACTOR ))
	$KILLALL_PROG -q $FSSTRESS_PROG
}

echo "Concurrent scrub"
start=$(date +%s)
end=$((start + (60 * TIME_FACTOR) ))
killstress &
echo "Scrub started at $(date --date="@${start}"), ending at $(date --date="@${end}")" >> $seqres.full
while [ "$(date +%s)" -lt "$end" ]; do
	$TIMEOUT_PROG -s TERM $(( end - $(date +%s) + 2 )) $XFS_SCRUB_PROG -d -T -v -n $SCRATCH_MNT >> $seqres.full 2>&1
done

echo "Test done"
echo "Scrub finished at $(date)" >> $seqres.full
$KILLALL_PROG -q $FSSTRESS_PROG

# success, all done
status=0
exit