Add stress_test_01 for running IO vs. removing device for verifying that ublk device removal can work as expected when heavy IO workloads are in progress.
null, loop and loop/zc are covered in this tests.
Signed-off-by: Ming Lei ming.lei@redhat.com --- tools/testing/selftests/ublk/Makefile | 2 + tools/testing/selftests/ublk/test_common.sh | 26 ++++++++++ .../testing/selftests/ublk/test_stress_01.sh | 47 +++++++++++++++++++ 3 files changed, 75 insertions(+) create mode 100755 tools/testing/selftests/ublk/test_stress_01.sh
diff --git a/tools/testing/selftests/ublk/Makefile b/tools/testing/selftests/ublk/Makefile index 9415f6f6df48..40af938cd277 100644 --- a/tools/testing/selftests/ublk/Makefile +++ b/tools/testing/selftests/ublk/Makefile @@ -9,6 +9,8 @@ TEST_PROGS += test_loop_02.sh TEST_PROGS += test_loop_03.sh TEST_PROGS += test_loop_04.sh
+TEST_PROGS += test_stress_01.sh + TEST_GEN_PROGS_EXTENDED = kublk
include ../lib.mk diff --git a/tools/testing/selftests/ublk/test_common.sh b/tools/testing/selftests/ublk/test_common.sh index bcb0c7aa3956..89244a7e275c 100755 --- a/tools/testing/selftests/ublk/test_common.sh +++ b/tools/testing/selftests/ublk/test_common.sh @@ -155,5 +155,31 @@ _add_ublk_dev() { echo "${dev_id}" }
+__remove_ublk_dev_return() { + local dev_id=$1 + + ${UBLK_PROG} del -n "${dev_id}" + local res=$? + udevadm settle + return ${res} +} + +__run_io_and_remove() +{ + local dev_id=$1 + local size=$2 + + fio --name=job1 --filename=/dev/ublkb"${dev_id}" --ioengine=libaio \ + --rw=readwrite --iodepth=64 --size="${size}" --numjobs=4 \ + --runtime=20 --time_based > /dev/null 2>&1 & + sleep 2 + if ! __remove_ublk_dev_return "${dev_id}"; then + echo "delete dev ${dev_id} failed" + return 255 + fi + wait +} + + UBLK_PROG=$(pwd)/kublk export UBLK_PROG diff --git a/tools/testing/selftests/ublk/test_stress_01.sh b/tools/testing/selftests/ublk/test_stress_01.sh new file mode 100755 index 000000000000..2dfd01cfd265 --- /dev/null +++ b/tools/testing/selftests/ublk/test_stress_01.sh @@ -0,0 +1,47 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +. test_common.sh +TID="stress_01" +ERR_CODE=0 +DEV_ID=-1 + +ublk_io_and_remove() +{ + local size=$1 + shift 1 + local backfile="" + if echo "$@" | grep -q "loop"; then + backfile=${*: -1} + fi + DEV_ID=$(_add_ublk_dev "$@") + _check_add_dev $TID $? "${backfile}" + + echo "run ublk IO vs. remove device(ublk add $*)" + if ! __run_io_and_remove "${DEV_ID}" "${size}"; then + echo "/dev/ublkc${DEV_ID} isn't removed" + _remove_backfile "${backfile}" + exit 255 + fi +} + +_prep_test "stress" "run IO and remove device" + +ublk_io_and_remove 8G -t null +ERR_CODE=$? +if [ ${ERR_CODE} -ne 0 ]; then + _show_result $TID $ERR_CODE +fi + +BACK_FILE=$(_create_backfile 256M) +ublk_io_and_remove 256M -t loop "${BACK_FILE}" +ERR_CODE=$? +if [ ${ERR_CODE} -ne 0 ]; then + _show_result $TID $ERR_CODE +fi + +ublk_io_and_remove 256M -t loop -z "${BACK_FILE}" +ERR_CODE=$? +_cleanup_test "stress" +_remove_backfile "${BACK_FILE}" +_show_result $TID $ERR_CODE