From mboxrd@z Thu Jan 1 00:00:00 1970 From: xiangxia.m.yue@gmail.com Subject: [PATCH net-next v8 0/7] net: vhost: improve performance when enable busyloop Date: Sun, 19 Aug 2018 05:11:19 -0700 Message-ID: <1534680686-3108-1-git-send-email-xiangxia.m.yue@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, virtualization@lists.linux-foundation.org To: jasowang@redhat.com, mst@redhat.com, makita.toshiaki@lab.ntt.co.jp Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org List-Id: netdev.vger.kernel.org From: Tonghao Zhang This patches improve the guest receive performance. On the handle_tx side, we poll the sock receive queue at the same time. handle_rx do that in the same way. For more performance report, see patch 4, 6, 7 Tonghao Zhang (7): net: vhost: lock the vqs one by one net: vhost: replace magic number of lock annotation net: vhost: factor out busy polling logic to vhost_net_busy_poll() net: vhost: add rx busy polling in tx path net: vhost: introduce bitmap for vhost_poll net: vhost: disable rx wakeup during tx busypoll net: vhost: make busyloop_intr more accurate drivers/vhost/net.c | 169 +++++++++++++++++++++++++++++++------------------- drivers/vhost/vhost.c | 41 ++++++------ drivers/vhost/vhost.h | 7 ++- 3 files changed, 133 insertions(+), 84 deletions(-) -- 1.8.3.1