Stefano Garzarella
2023-Jan-16 11:12 UTC
[PATCH net-next v10] virtio/vsock: replace virtio_vsock_pkt with sk_buff
On Fri, Jan 13, 2023 at 10:21:37PM +0000, Bobby Eshleman wrote:>This commit changes virtio/vsock to use sk_buff instead of >virtio_vsock_pkt. Beyond better conforming to other net code, using >sk_buff allows vsock to use sk_buff-dependent features in the future >(such as sockmap) and improves throughput. > >This patch introduces the following performance changes: > >Tool: Uperf >Env: Phys Host + L1 Guest >Payload: 64k >Threads: 16 >Test Runs: 10 >Type: SOCK_STREAM >Before: commit b7bfaa761d760 ("Linux 6.2-rc3") > >Before >------ >g2h: 16.77Gb/s >h2g: 10.56Gb/s > >After >----- >g2h: 21.04Gb/s >h2g: 10.76Gb/s > >Signed-off-by: Bobby Eshleman <bobby.eshleman at bytedance.com> > >--- >Changes in v10: >- vhost/vsock: use virtio_vsock_skb_dequeue() >- vhost/vsock: remove extra iov_length() call >- vhost/vsock: also consider hdr when evaluating that incoming size is > valid >- new uperf dataTests seem fine! Reviewed-by: Stefano Garzarella <sgarzare at redhat.com>