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selftests: ublk: add more tests for covering MQ

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Add test test_generic_02.sh for covering IO dispatch order in case of MQ.

Especially we just support ->queue_rqs() which may affect IO dispatch
order.

Add test_loop_05.sh and test_stripe_03.sh for covering MQ.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250327095123.179113-11-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Ming Lei 2025-03-27 17:51:19 +08:00 committed by Jens Axboe
parent daabfb50a5
commit 8c77861436
10 changed files with 132 additions and 33 deletions
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3
tools/testing/selftests/ublk/Makefile
View File

@ -4,6 +4,7 @@ CFLAGS += -O3 -Wl,-no-as-needed -Wall -I $(top_srcdir)
LDLIBS += -lpthread -lm -luring
TEST_PROGS := test_generic_01.sh
TEST_PROGS += test_generic_02.sh
TEST_PROGS += test_null_01.sh
TEST_PROGS += test_null_02.sh
@ -11,8 +12,10 @@ TEST_PROGS += test_loop_01.sh
TEST_PROGS += test_loop_02.sh
TEST_PROGS += test_loop_03.sh
TEST_PROGS += test_loop_04.sh
TEST_PROGS += test_loop_05.sh
TEST_PROGS += test_stripe_01.sh
TEST_PROGS += test_stripe_02.sh
TEST_PROGS += test_stripe_03.sh
TEST_PROGS += test_stress_01.sh
TEST_PROGS += test_stress_02.sh

6
tools/testing/selftests/ublk/test_common.sh
View File

@ -23,6 +23,12 @@ _get_disk_dev_t() {
echo $(( (major & 0xfff) << 20 | (minor & 0xfffff) ))
}
_run_fio_verify_io() {
fio --name=verify --rw=randwrite --direct=1 --ioengine=libaio \
--bs=8k --iodepth=32 --verify=crc32c --do_verify=1 \
--verify_state_save=0 "$@" > /dev/null
}
_create_backfile() {
local my_size=$1
local my_file

44
tools/testing/selftests/ublk/test_generic_02.sh Executable file
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@ -0,0 +1,44 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
TID="generic_02"
ERR_CODE=0
if ! _have_program bpftrace; then
exit "$UBLK_SKIP_CODE"
fi
_prep_test "null" "sequential io order for MQ"
dev_id=$(_add_ublk_dev -t null -q 2)
_check_add_dev $TID $?
dev_t=$(_get_disk_dev_t "$dev_id")
bpftrace trace/seq_io.bt "$dev_t" "W" 1 > "$UBLK_TMP" 2>&1 &
btrace_pid=$!
sleep 2
if ! kill -0 "$btrace_pid" > /dev/null 2>&1; then
_cleanup_test "null"
exit "$UBLK_SKIP_CODE"
fi
# run fio over this ublk disk
fio --name=write_seq \
--filename=/dev/ublkb"${dev_id}" \
--ioengine=libaio --iodepth=16 \
--rw=write \
--size=512M \
--direct=1 \
--bs=4k > /dev/null 2>&1
ERR_CODE=$?
kill "$btrace_pid"
wait
if grep -q "io_out_of_order" "$UBLK_TMP"; then
cat "$UBLK_TMP"
ERR_CODE=255
fi
_cleanup_test "null"
_show_result $TID $ERR_CODE

14
tools/testing/selftests/ublk/test_loop_01.sh
View File

@ -6,6 +6,10 @@
TID="loop_01"
ERR_CODE=0
if ! _have_program fio; then
exit "$UBLK_SKIP_CODE"
fi
_prep_test "loop" "write and verify test"
backfile_0=$(_create_backfile 256M)
@ -14,15 +18,7 @@ dev_id=$(_add_ublk_dev -t loop "$backfile_0")
_check_add_dev $TID $? "${backfile_0}"
# run fio over the ublk disk
fio --name=write_and_verify \
--filename=/dev/ublkb"${dev_id}" \
--ioengine=libaio --iodepth=16 \
--rw=write \
--size=256M \
--direct=1 \
--verify=crc32c \
--do_verify=1 \
--bs=4k > /dev/null 2>&1
_run_fio_verify_io --filename=/dev/ublkb"${dev_id}" --size=256M
ERR_CODE=$?
_cleanup_test "loop"

14
tools/testing/selftests/ublk/test_loop_03.sh
View File

@ -6,6 +6,10 @@
TID="loop_03"
ERR_CODE=0
if ! _have_program fio; then
exit "$UBLK_SKIP_CODE"
fi
_prep_test "loop" "write and verify over zero copy"
backfile_0=$(_create_backfile 256M)
@ -13,15 +17,7 @@ dev_id=$(_add_ublk_dev -t loop -z "$backfile_0")
_check_add_dev $TID $? "$backfile_0"
# run fio over the ublk disk
fio --name=write_and_verify \
--filename=/dev/ublkb"${dev_id}" \
--ioengine=libaio --iodepth=64 \
--rw=write \
--size=256M \
--direct=1 \
--verify=crc32c \
--do_verify=1 \
--bs=4k > /dev/null 2>&1
_run_fio_verify_io --filename=/dev/ublkb"${dev_id}" --size=256M
ERR_CODE=$?
_cleanup_test "loop"

28
tools/testing/selftests/ublk/test_loop_05.sh Executable file
View File

@ -0,0 +1,28 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
TID="loop_05"
ERR_CODE=0
if ! _have_program fio; then
exit "$UBLK_SKIP_CODE"
fi
_prep_test "loop" "write and verify test"
backfile_0=$(_create_backfile 256M)
dev_id=$(_add_ublk_dev -q 2 -t loop "$backfile_0")
_check_add_dev $TID $? "${backfile_0}"
# run fio over the ublk disk
_run_fio_verify_io --filename=/dev/ublkb"${dev_id}" --size=256M
ERR_CODE=$?
_cleanup_test "loop"
_remove_backfile "$backfile_0"
_show_result $TID $ERR_CODE

6
tools/testing/selftests/ublk/test_stress_01.sh
View File

@ -27,20 +27,20 @@ ublk_io_and_remove()
_prep_test "stress" "run IO and remove device"
ublk_io_and_remove 8G -t null
ublk_io_and_remove 8G -t null -q 4
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 "${BACK_FILE}"
ublk_io_and_remove 256M -t loop -q 4 "${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}"
ublk_io_and_remove 256M -t loop -q 4 -z "${BACK_FILE}"
ERR_CODE=$?
_cleanup_test "stress"
_remove_backfile "${BACK_FILE}"

6
tools/testing/selftests/ublk/test_stress_02.sh
View File

@ -27,20 +27,20 @@ ublk_io_and_kill_daemon()
_prep_test "stress" "run IO and kill ublk server"
ublk_io_and_kill_daemon 8G -t null
ublk_io_and_kill_daemon 8G -t null -q 4
ERR_CODE=$?
if [ ${ERR_CODE} -ne 0 ]; then
_show_result $TID $ERR_CODE
fi
BACK_FILE=$(_create_backfile 256M)
ublk_io_and_kill_daemon 256M -t loop "${BACK_FILE}"
ublk_io_and_kill_daemon 256M -t loop -q 4 "${BACK_FILE}"
ERR_CODE=$?
if [ ${ERR_CODE} -ne 0 ]; then
_show_result $TID $ERR_CODE
fi
ublk_io_and_kill_daemon 256M -t loop -z "${BACK_FILE}"
ublk_io_and_kill_daemon 256M -t loop -q 4 -z "${BACK_FILE}"
ERR_CODE=$?
_cleanup_test "stress"
_remove_backfile "${BACK_FILE}"

14
tools/testing/selftests/ublk/test_stripe_01.sh
View File

@ -6,6 +6,10 @@
TID="stripe_01"
ERR_CODE=0
if ! _have_program fio; then
exit "$UBLK_SKIP_CODE"
fi
_prep_test "stripe" "write and verify test"
backfile_0=$(_create_backfile 256M)
@ -15,15 +19,7 @@ dev_id=$(_add_ublk_dev -t stripe "$backfile_0" "$backfile_1")
_check_add_dev $TID $? "${backfile_0}"
# run fio over the ublk disk
fio --name=write_and_verify \
--filename=/dev/ublkb"${dev_id}" \
--ioengine=libaio --iodepth=32 \
--rw=write \
--size=512M \
--direct=1 \
--verify=crc32c \
--do_verify=1 \
--bs=4k > /dev/null 2>&1
_run_fio_verify_io --filename=/dev/ublkb"${dev_id}" --size=512M
ERR_CODE=$?
_cleanup_test "stripe"

30
tools/testing/selftests/ublk/test_stripe_03.sh Executable file
View File

@ -0,0 +1,30 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
TID="stripe_03"
ERR_CODE=0
if ! _have_program fio; then
exit "$UBLK_SKIP_CODE"
fi
_prep_test "stripe" "write and verify test"
backfile_0=$(_create_backfile 256M)
backfile_1=$(_create_backfile 256M)
dev_id=$(_add_ublk_dev -q 2 -t stripe "$backfile_0" "$backfile_1")
_check_add_dev $TID $? "${backfile_0}"
# run fio over the ublk disk
_run_fio_verify_io --filename=/dev/ublkb"${dev_id}" --size=512M
ERR_CODE=$?
_cleanup_test "stripe"
_remove_backfile "$backfile_0"
_remove_backfile "$backfile_1"
_show_result $TID $ERR_CODE