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From: Pavel Begunkov <[email protected]>
To: [email protected], [email protected],
	[email protected], [email protected]
Cc: [email protected], [email protected], [email protected],
	[email protected], Pavel Begunkov <[email protected]>
Subject: [PATCH for-next 0/2] Enable IOU_F_TWQ_LAZY_WAKE for passthrough
Date: Mon, 15 May 2023 13:54:41 +0100	[thread overview]
Message-ID: <[email protected]> (raw)

Let cmds to use IOU_F_TWQ_LAZY_WAKE and enable it for nvme passthrough.

The result should be same as in test to the original IOU_F_TWQ_LAZY_WAKE [1]
patchset, but for a quick test I took fio/t/io_uring with 4 threads each
reading their own drive and all pinned to the same CPU to make it CPU
bound and got +10% throughput improvement.

[1] https://lore.kernel.org/all/[email protected]/

Pavel Begunkov (2):
  io_uring/cmd: add cmd lazy tw wake helper
  nvme: optimise io_uring passthrough completion

 drivers/nvme/host/ioctl.c |  4 ++--
 include/linux/io_uring.h  | 18 ++++++++++++++++--
 io_uring/uring_cmd.c      | 16 ++++++++++++----
 3 files changed, 30 insertions(+), 8 deletions(-)


base-commit: 9a48d604672220545d209e9996c2a1edbb5637f6
-- 
2.40.0


             reply	other threads:[~2023-05-15 12:58 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-15 12:54 Pavel Begunkov [this message]
2023-05-15 12:54 ` [PATCH for-next 1/2] io_uring/cmd: add cmd lazy tw wake helper Pavel Begunkov
2023-05-16 10:00   ` Kanchan Joshi
2023-05-16 18:52     ` Pavel Begunkov
2023-05-17 10:33       ` Kanchan Joshi
2023-05-17 12:00         ` Pavel Begunkov
2023-05-19 15:00         ` Pavel Begunkov
2023-05-15 12:54 ` [PATCH for-next 2/2] nvme: optimise io_uring passthrough completion Pavel Begunkov
2023-05-17  7:23   ` Christoph Hellwig
2023-05-17 12:32     ` Pavel Begunkov
2023-05-17 12:39       ` Christoph Hellwig
2023-05-17 13:30         ` Pavel Begunkov
2023-05-17 13:53           ` Christoph Hellwig
2023-05-17 20:11             ` Pavel Begunkov
2023-05-17 19:31       ` Jens Axboe
2023-05-18  2:15         ` Ming Lei
2023-05-16 11:42 ` [PATCH for-next 0/2] Enable IOU_F_TWQ_LAZY_WAKE for passthrough Anuj gupta
2023-05-16 18:38   ` Pavel Begunkov
2023-05-25 14:54 ` Jens Axboe

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