On Mon, 15 May 2023 13:54:41 +0100, Pavel Begunkov wrote: > Let cmds to use IOU_F_TWQ_LAZY_WAKE and enable it for nvme passthrough. > > The result should be same as in test to the original IOU_F_TWQ_LAZY_WAKE [1] > patchset, but for a quick test I took fio/t/io_uring with 4 threads each > reading their own drive and all pinned to the same CPU to make it CPU > bound and got +10% throughput improvement. > > [...] Applied, thanks! [1/2] io_uring/cmd: add cmd lazy tw wake helper commit: 5f3139fc46993b2d653a7aa5cdfe66a91881fd06 [2/2] nvme: optimise io_uring passthrough completion commit: f026be0e1e881e3395c3d5418ffc8c2a2203c3f3 Best regards, -- Jens Axboe