diff options
| author | Ming Lei <ming.lei@redhat.com> | 2025-03-27 17:51:17 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-03-28 16:15:43 -0600 |
| commit | d796cea7b9f33b6315362f504b15fcc26d678493 (patch) | |
| tree | 030c55ec88f3f841b92703951ef2ee1af4b40747 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 17970209167d521da2f48d45a4242a57fd39d223 (diff) | |
ublk: implement ->queue_rqs()
Implement ->queue_rqs() for improving perf in case of MQ.
In this way, we just need to call io_uring_cmd_complete_in_task() once for
whole IO batch, then both io_uring and ublk server can get exact batch from
ublk frontend.
Follows IOPS improvement:
- tests
tools/testing/selftests/ublk/kublk add -t null -q 2 [-z]
fio/t/io_uring -p0 /dev/ublkb0
- results:
more than 10% IOPS boost observed
Pass all ublk selftests, especially the io dispatch order test.
Cc: Uday Shankar <ushankar@purestorage.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250327095123.179113-9-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions