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
