From: Pavel Begunkov <[email protected]>
To: Olivier Langlois <[email protected]>,
Jens Axboe <[email protected]>,
[email protected]
Cc: Lewis Baker <[email protected]>
Subject: Re: [PATCH] io_uring: add napi busy settings to the fdinfo output
Date: Tue, 30 Jul 2024 16:38:53 +0100 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 7/30/24 16:33, Pavel Begunkov wrote:
> While on the topic of busy polling, there is a function
> io_napi_adjust_timeout(), it ensures that we don't busy poll for longer
> than the passed wait timeout.
>
> Do you use it? I have some doubts in regards to its usefulness, and
> would prefer to try get rid of it if there are no users since it's a
> hustle.
And I need to ask Lewis (CC'ed) the same question (see above).
Looking at
commit 415ce0ea55c5a3afea501a773e002be9ed7149f5
Author: Jens Axboe <[email protected]>
Date: Mon Jun 3 13:56:53 2024 -0600
io_uring/napi: fix timeout calculation
https://git.kernel.dk/cgit/linux-block/commit/?id=415ce0ea55c5a3afea501a773e002be9ed7149f5
It sounds like you might be using it.
--
Pavel Begunkov
next prev parent reply other threads:[~2024-07-30 15:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-29 22:38 [PATCH] io_uring: add napi busy settings to the fdinfo output Olivier Langlois
2024-07-30 11:05 ` Pavel Begunkov
2024-07-30 14:04 ` Olivier Langlois
2024-07-30 14:08 ` Pavel Begunkov
2024-07-30 14:46 ` Jens Axboe
2024-07-30 12:26 ` Jens Axboe
2024-07-30 15:33 ` Pavel Begunkov
2024-07-30 15:38 ` Pavel Begunkov [this message]
2024-07-30 19:05 ` Olivier Langlois
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