On Fri, May 19, 2017 at 02:27:16PM +0800, Jason Wang wrote: > > > On 2017年05月18日 04:59, Michael S. Tsirkin wrote: > > On Wed, May 17, 2017 at 12:14:36PM +0800, Jason Wang wrote: > > > This series tries to implement rx batching for vhost-net. This is done > > > by batching the dequeuing from skb_array which was exported by > > > underlayer socket and pass the sbk back through msg_control to finish > > > userspace copying. This is also the requirement for more batching > > > implemention on rx path. > > > > > > Tests shows at most 7.56% improvment bon rx pps on top of batch > > > zeroing and no obvious changes for TCP_STREAM/TCP_RR result. > > > > > > Please review. > > > > > > Thanks > > A surprisingly large gain for such as simple change. It would be nice > > to understand better why this helps - in particular, does the optimal > > batch size change if ring is bigger or smaller? > > Will test, just want to confirm. You mean virtio ring not tx_queue_len here? > > Thanks
Exactly. Thanks, MST