selftests: ublk: run stress tests in parallel

Run stress tests in parallel, meantime add shell local function to
simplify the two stress tests.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-6-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

Author: Ming Lei

tools/testing/selftests/ublk/test_common.sh

@@ -230,7 +230,7 @@ __run_io_and_remove()
 	local kill_server=$3
 
 	fio --name=job1 --filename=/dev/ublkb"${dev_id}" --ioengine=libaio \
-		--rw=readwrite --iodepth=64 --size="${size}" --numjobs=4 \
+		--rw=readwrite --iodepth=256 --size="${size}" --numjobs=4 \
 		--runtime=20 --time_based > /dev/null 2>&1 &
 	sleep 2
 	if [ "${kill_server}" = "yes" ]; then
@@ -248,6 +248,38 @@ __run_io_and_remove()
 	wait
 }
 
+run_io_and_remove()
+{
+	local size=$1
+	local dev_id
+	shift 1
+
+	dev_id=$(_add_ublk_dev "$@")
+	_check_add_dev "$TID" $?
+
+	[ "$UBLK_TEST_QUIET" -eq 0 ] && echo "run ublk IO vs. remove device(ublk add $*)"
+	if ! __run_io_and_remove "$dev_id" "${size}" "no"; then
+		echo "/dev/ublkc$dev_id isn't removed"
+		exit 255
+	fi
+}
+
+run_io_and_kill_daemon()
+{
+	local size=$1
+	local dev_id
+	shift 1
+
+	dev_id=$(_add_ublk_dev "$@")
+	_check_add_dev "$TID" $?
+
+	[ "$UBLK_TEST_QUIET" -eq 0 ] && echo "run ublk IO vs kill ublk server(ublk add $*)"
+	if ! __run_io_and_remove "$dev_id" "${size}" "yes"; then
+		echo "/dev/ublkc$dev_id isn't removed res ${res}"
+		exit 255
+	fi
+}
+
 _ublk_test_top_dir()
 {
 	cd "$(dirname "$0")" && pwd

tools/testing/selftests/ublk/test_stress_01.sh

@@ -7,37 +7,28 @@ ERR_CODE=0
 
 ublk_io_and_remove()
 {
-	local size=$1
-	local dev_id
-	shift 1
-
-	dev_id=$(_add_ublk_dev "$@")
-	_check_add_dev $TID $?
-
-	[ "$UBLK_TEST_QUIET" -eq 0 ] && echo "run ublk IO vs. remove device(ublk add $*)"
-	if ! __run_io_and_remove "$dev_id" "${size}" "no"; then
-		echo "/dev/ublkc$dev_id isn't removed"
-		exit 255
+	run_io_and_remove "$@"
+	ERR_CODE=$?
+	if [ ${ERR_CODE} -ne 0 ]; then
+		echo "$TID failure: $*"
+		_show_result $TID $ERR_CODE
 	fi
 }
 
-_prep_test "stress" "run IO and remove device"
-
-ublk_io_and_remove 8G -t null -q 4
-ERR_CODE=$?
-if [ ${ERR_CODE} -ne 0 ]; then
-	_show_result $TID $ERR_CODE
+if ! _have_program fio; then
+	exit "$UBLK_SKIP_CODE"
 fi
 
+_prep_test "stress" "run IO and remove device"
+
 _create_backfile 0 256M
+_create_backfile 1 128M
+_create_backfile 2 128M
 
-ublk_io_and_remove 256M -t loop -q 4 "${UBLK_BACKFILES[0]}"
-ERR_CODE=$?
-if [ ${ERR_CODE} -ne 0 ]; then
-	_show_result $TID $ERR_CODE
-fi
+ublk_io_and_remove 8G -t null -q 4 &
+ublk_io_and_remove 256M -t loop -q 4 "${UBLK_BACKFILES[0]}" &
+ublk_io_and_remove 256M -t stripe -q 4 "${UBLK_BACKFILES[1]}" "${UBLK_BACKFILES[2]}" &
+wait
 
-ublk_io_and_remove 256M -t loop -q 4 -z "${UBLK_BACKFILES[0]}"
-ERR_CODE=$?
 _cleanup_test "stress"
 _show_result $TID $ERR_CODE

tools/testing/selftests/ublk/test_stress_02.sh

@@ -5,39 +5,30 @@
 TID="stress_02"
 ERR_CODE=0
 
+if ! _have_program fio; then
+	exit "$UBLK_SKIP_CODE"
+fi
+
 ublk_io_and_kill_daemon()
 {
-	local size=$1
-	local dev_id
-	shift 1
-
-	dev_id=$(_add_ublk_dev "$@")
-	_check_add_dev $TID $?
-
-	[ "$UBLK_TEST_QUIET" -eq 0 ] && echo "run ublk IO vs kill ublk server(ublk add $*)"
-	if ! __run_io_and_remove "$dev_id" "${size}" "yes"; then
-		echo "/dev/ublkc$dev_id isn't removed res ${res}"
-		exit 255
+	run_io_and_kill_daemon "$@"
+	ERR_CODE=$?
+	if [ ${ERR_CODE} -ne 0 ]; then
+		echo "$TID failure: $*"
+		_show_result $TID $ERR_CODE
 	fi
 }
 
 _prep_test "stress" "run IO and kill ublk server"
 
-ublk_io_and_kill_daemon 8G -t null -q 4
-ERR_CODE=$?
-if [ ${ERR_CODE} -ne 0 ]; then
-	_show_result $TID $ERR_CODE
-fi
-
 _create_backfile 0 256M
+_create_backfile 1 128M
+_create_backfile 2 128M
 
-ublk_io_and_kill_daemon 256M -t loop -q 4 "${UBLK_BACKFILES[0]}"
-ERR_CODE=$?
-if [ ${ERR_CODE} -ne 0 ]; then
-	_show_result $TID $ERR_CODE
-fi
+ublk_io_and_kill_daemon 8G -t null -q 4 &
+ublk_io_and_kill_daemon 256M -t loop -q 4 "${UBLK_BACKFILES[0]}" &
+ublk_io_and_kill_daemon 256M -t stripe -q 4 "${UBLK_BACKFILES[1]}" "${UBLK_BACKFILES[2]}" &
+wait
 
-ublk_io_and_kill_daemon 256M -t loop -q 4 -z "${UBLK_BACKFILES[0]}"
-ERR_CODE=$?
 _cleanup_test "stress"
 _show_result $TID $ERR_CODE