Commit d836590d authored by Ming Lei's avatar Ming Lei Committed by Jens Axboe
Browse files

selftests: ublk: add two stress tests for zero copy feature 



Add stress_03 & stress_04 for covering zero copy feature.

Signed-off-by: default avatarMing Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-7-ming.lei@redhat.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent bb2cabf2

tools/testing/selftests/ublk/Makefile

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Original line number Diff line number Diff line
@@ -21,6 +21,8 @@ TEST_PROGS += test_stripe_04.sh 


TEST_PROGS += test_stress_01.sh

TEST_PROGS += test_stress_02.sh

TEST_PROGS += test_stress_03.sh

TEST_PROGS += test_stress_04.sh



TEST_GEN_PROGS_EXTENDED = kublk

tools/testing/selftests/ublk/test_stress_03.sh

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Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh

TID="stress_03"

ERR_CODE=0



ublk_io_and_remove()

{

	run_io_and_remove "$@"

	ERR_CODE=$?

	if [ ${ERR_CODE} -ne 0 ]; then

		echo "$TID failure: $*"

		_show_result $TID $ERR_CODE

	fi

}



if ! _have_program fio; then

	exit "$UBLK_SKIP_CODE"

fi



if ! _have_feature "ZERO_COPY"; then

	exit "$UBLK_SKIP_CODE"

fi



_prep_test "stress" "run IO and remove device(zero copy)"



_create_backfile 0 256M

_create_backfile 1 128M

_create_backfile 2 128M



ublk_io_and_remove 8G -t null -q 4 -z &

ublk_io_and_remove 256M -t loop -q 4 -z "${UBLK_BACKFILES[0]}" &

ublk_io_and_remove 256M -t stripe -q 4 -z "${UBLK_BACKFILES[1]}" "${UBLK_BACKFILES[2]}" &

wait



_cleanup_test "stress"

_show_result $TID $ERR_CODE

tools/testing/selftests/ublk/test_stress_04.sh

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Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh

TID="stress_04"

ERR_CODE=0



ublk_io_and_kill_daemon()

{

	run_io_and_kill_daemon "$@"

	ERR_CODE=$?

	if [ ${ERR_CODE} -ne 0 ]; then

		echo "$TID failure: $*"

		_show_result $TID $ERR_CODE

	fi

}



if ! _have_program fio; then

	exit "$UBLK_SKIP_CODE"

fi

if ! _have_feature "ZERO_COPY"; then

	exit "$UBLK_SKIP_CODE"

fi



_prep_test "stress" "run IO and kill ublk server(zero copy)"



_create_backfile 0 256M

_create_backfile 1 128M

_create_backfile 2 128M



ublk_io_and_kill_daemon 8G -t null -q 4 -z &

ublk_io_and_kill_daemon 256M -t loop -q 4 -z "${UBLK_BACKFILES[0]}" &

ublk_io_and_kill_daemon 256M -t stripe -q 4 -z "${UBLK_BACKFILES[1]}" "${UBLK_BACKFILES[2]}" &

wait



_cleanup_test "stress"

_show_result $TID $ERR_CODE