On Mon, 14 Nov 2022 23:08:57 -0800 Stefan Roesch wrote: > This adds the napi busy polling support in io_uring.c. It adds a new > napi_list to the io_ring_ctx structure. This list contains the list of > napi_id's that are currently enabled for busy polling. This list is > used to determine which napi id's enabled busy polling. > > To set the new napi busy poll timeout, a new io-uring api has been > added. It sets the napi busy poll timeout for the corresponding ring. > > There is also a corresponding liburing patch series, which enables this > feature. The name of the series is "liburing: add add api for napi busy > poll timeout". It also contains two programs to test the this. > > Testing has shown that the round-trip times are reduced to 38us from > 55us by enabling napi busy polling with a busy poll timeout of 100us. Acked-by: Jakub Kicinski <kuba@xxxxxxxxxx> Thanks!
