From: Pavel Begunkov <asml.silence@gmail.com>
To: Hao Xu <haoxu@linux.alibaba.com>, Jens Axboe <axboe@kernel.dk>
Cc: io-uring@vger.kernel.org, Joseph Qi <joseph.qi@linux.alibaba.com>
Subject: Re: [PATCH v7] io_uring: batch completion in prior_task_list
Date: Sun, 28 Nov 2021 15:28:57 +0000 [thread overview]
Message-ID: <bc87a321-72bf-b24d-95c2-88d7c6d2e348@gmail.com> (raw)
In-Reply-To: <20211127152412.232005-1-haoxu@linux.alibaba.com>
On 11/27/21 15:24, Hao Xu wrote:
> In previous patches, we have already gathered some tw with
> io_req_task_complete() as callback in prior_task_list, let's complete
> them in batch while we cannot grab uring lock. In this way, we batch
> the req_complete_post path.
>
> Signed-off-by: Hao Xu <haoxu@linux.alibaba.com>
> ---
>
> v6->v7
> - use function pointer to reduce the if check everytime running a task
> work in handle_prior_tw_list()
Ifs are not a big problem, but retpolines may screw performance,
let's stay with v6.
--
Pavel Begunkov
next prev parent reply other threads:[~2021-11-28 15:31 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-26 10:07 [PATCH v6 0/6] task work optimization Hao Xu
2021-11-26 10:07 ` [PATCH 1/6] io-wq: add helper to merge two wq_lists Hao Xu
2021-11-26 10:07 ` [PATCH 2/6] io_uring: add a priority tw list for irq completion work Hao Xu
2021-11-26 10:07 ` [PATCH 3/6] io_uring: add helper for task work execution code Hao Xu
2021-11-26 10:07 ` [PATCH 4/6] io_uring: split io_req_complete_post() and add a helper Hao Xu
2021-11-26 10:07 ` [PATCH 5/6] io_uring: move up io_put_kbuf() and io_put_rw_kbuf() Hao Xu
2021-11-26 10:07 ` [PATCH 6/6] io_uring: batch completion in prior_task_list Hao Xu
2021-11-26 12:56 ` Hao Xu
2021-11-26 13:37 ` [PATCH RESEND " Hao Xu
2021-11-27 15:24 ` [PATCH v7] " Hao Xu
2021-11-28 15:28 ` Pavel Begunkov [this message]
2021-12-03 1:39 ` [PATCH v6 0/6] task work optimization Pavel Begunkov
2021-12-03 2:01 ` Pavel Begunkov
2021-12-03 7:30 ` Hao Xu
2021-12-03 14:21 ` Pavel Begunkov
2021-12-05 15:02 ` Hao Xu
2021-12-05 15:42 ` Pavel Begunkov
2021-12-06 8:35 ` Hao Xu
2021-12-06 9:48 ` Hao Xu
2021-12-03 3:24 ` Hao Xu
2021-12-04 20:58 ` Pavel Begunkov
2021-12-05 15:11 ` Hao Xu
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