From: Jens Axboe <email@example.com> To: Pavel Begunkov <firstname.lastname@example.org>, Hao Xu <email@example.com> Cc: firstname.lastname@example.org, Joseph Qi <email@example.com> Subject: Re: [PATCH] io_uring: add more uring info to fdinfo for debug Date: Wed, 15 Sep 2021 09:32:47 -0600 [thread overview] Message-ID: <firstname.lastname@example.org> (raw) In-Reply-To: <email@example.com> On 9/15/21 9:31 AM, Pavel Begunkov wrote: > 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. It's using seq_file, so I _think_ we should be fine here. Not sure when/if it truncates. -- Jens Axboe
next prev parent reply other threads:[~2021-09-15 15:32 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 2021-09-15 15:32 ` Jens Axboe [this message] 2021-09-16 6:29 ` Hao Xu
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