From: Jens Axboe <[email protected]>
To: [email protected], David Wei <[email protected]>
Cc: Pavel Begunkov <[email protected]>
Subject: Re: [PATCH next v1 0/2] limit local tw done
Date: Thu, 21 Nov 2024 07:16:28 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On Wed, 20 Nov 2024 14:14:50 -0800, David Wei wrote:
> Currently when running local tw it will eagerly try and complete all
> available work. When there is a burst of work coming in, the list of
> work in work_llist may be much larger than the requested batch count
> wait_nr. Doing all of the work eagerly may cause latency issues for some
> applications that do not want to spend so much time in the kernel.
>
> Limit the amount of local tw done to the max of 20 (a heuristic) or
> wait_nr. This then does not require any userspace changes.
>
> [...]
Applied, thanks!
[1/2] io_uring: add io_local_work_pending()
commit: 40cfe553240b32333b42652370ef5232e6ac59e1
[2/2] io_uring: limit local tw done
commit: f46b9cdb22f7a167c36b6bcddaef7e8aee2598fa
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2024-11-21 14:16 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-20 22:14 [PATCH next v1 0/2] limit local tw done David Wei
2024-11-20 22:14 ` [PATCH next v1 1/2] io_uring: add io_local_work_pending() David Wei
2024-11-20 23:45 ` Pavel Begunkov
2024-11-20 22:14 ` [PATCH next v1 2/2] io_uring: limit local tw done David Wei
2024-11-20 23:56 ` Pavel Begunkov
2024-11-21 0:52 ` David Wei
2024-11-21 14:29 ` Pavel Begunkov
2024-11-21 14:34 ` Jens Axboe
2024-11-21 14:58 ` Pavel Begunkov
2024-11-21 15:02 ` Jens Axboe
2024-11-21 1:12 ` Jens Axboe
2024-11-21 14:25 ` Pavel Begunkov
2024-11-21 14:31 ` Jens Axboe
2024-11-21 15:07 ` Pavel Begunkov
2024-11-21 15:15 ` Jens Axboe
2024-11-21 15:22 ` Jens Axboe
2024-11-21 16:00 ` Pavel Begunkov
2024-11-21 16:05 ` Jens Axboe
2024-11-21 16:18 ` Pavel Begunkov
2024-11-21 16:20 ` Jens Axboe
2024-11-21 16:43 ` Pavel Begunkov
2024-11-21 16:57 ` Jens Axboe
2024-11-21 17:05 ` Jens Axboe
2024-11-21 17:53 ` David Wei
2024-11-21 1:12 ` [PATCH next v1 0/2] " Jens Axboe
2024-11-21 14:16 ` Jens Axboe [this message]
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