From mboxrd@z Thu Jan 1 00:00:00 1970 From: xiangxia.m.yue@gmail.com Subject: [PATCH net-next v9 0/6] net: vhost: improve performance when enable busyloop Date: Sun, 9 Sep 2018 04:51:21 -0700 Message-ID: <1536493887-2637-1-git-send-email-xiangxia.m.yue@gmail.com> Cc: virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, Tonghao Zhang To: jasowang@redhat.com, mst@redhat.com, makita.toshiaki@lab.ntt.co.jp Return-path: Received: from mail-pl1-f195.google.com ([209.85.214.195]:35328 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726662AbeIIQmN (ORCPT ); Sun, 9 Sep 2018 12:42:13 -0400 Received: by mail-pl1-f195.google.com with SMTP id g2-v6so7521058plo.2 for ; Sun, 09 Sep 2018 04:52:47 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: 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, 5, 6 Tonghao Zhang (6): 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: disable rx wakeup during tx busypoll net: vhost: make busyloop_intr more accurate drivers/vhost/net.c | 163 +++++++++++++++++++++++++++++++------------------- drivers/vhost/vhost.c | 24 +++----- 2 files changed, 108 insertions(+), 79 deletions(-) -- 1.8.3.1