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From: Pavel Begunkov <asml.silence@gmail.com>
To: Jens Axboe <axboe@kernel.dk>, Hao Xu <haoxu@linux.alibaba.com>
Cc: io-uring@vger.kernel.org, Joseph Qi <joseph.qi@linux.alibaba.com>
Subject: Re: [PATCH] io_uring: add more uring info to fdinfo for debug
Date: Wed, 15 Sep 2021 16:31:05 +0100	[thread overview]
Message-ID: <c5161c85-6e01-c949-e233-7adca5a63c46@gmail.com> (raw)
In-Reply-To: <3ecf6b05-e92d-7d74-8f72-983ec0d790fc@kernel.dk>

On 9/15/21 4:26 PM, Jens Axboe wrote:
> On 9/13/21 7:08 AM, Hao Xu wrote:
>> Developers may need some uring info to help themselves debug and address
>> issues, these info includes sqring/cqring head/tail and the detail
>> sqe/cqe info, which is very useful when it stucks.
> 
> I think this is a good addition, more info to help you debug a stuck case
> is always good. I'll queue this up for 5.16.

Are there limits how much we can print? I remember people were couldn't
even show a list of CPUs (was it proc?). The overflow list may be huge.

-- 
Pavel Begunkov

  reply	other threads:[~2021-09-15 15:31 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-13 13:08 Hao Xu
2021-09-15 13:01 ` Hao Xu
2021-09-15 15:26 ` Jens Axboe
2021-09-15 15:31   ` Pavel Begunkov [this message]
2021-09-15 15:32     ` Jens Axboe
2021-09-16  6:29       ` Hao Xu

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