Re: [PATCH v2 0/2] Optimise io_uring completion waiting

[Jens Axboe]

On 9/22/19 2:08 AM, Pavel Begunkov (Silence) wrote:
> From: Pavel Begunkov <asml.silence@xxxxxxxxx>
> 
> There could be a lot of overhead within generic wait_event_*() used for
> waiting for large number of completions. The patchset removes much of
> it by using custom wait event (wait_threshold).
> 
> Synthetic test showed ~40% performance boost. (see patch 2)

I'm fine with the io_uring side of things, but to queue this up we
really need Peter or Ingo to sign off on the core wakeup bits...

Peter?

-- 
Jens Axboe