Re: [PATCH] io_uring: add more uring info to fdinfo for debug

Pavel Begunkov
2021-09-15T15:31:44Z

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