From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by dpdk.org (Postfix) with ESMTP id 5E3172B82 for ; Fri, 4 May 2018 17:12:52 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 03FD88312EC1; Fri, 4 May 2018 15:12:52 +0000 (UTC) Received: from [10.36.112.52] (ovpn-112-52.ams2.redhat.com [10.36.112.52]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E071D2141200; Fri, 4 May 2018 15:12:50 +0000 (UTC) To: Junjie Chen , jianfeng.tan@intel.com, john.mcnamara@intel.com, marko.kovacevic@intel.com Cc: dev@dpdk.org References: <1524730400-252654-1-git-send-email-junjie.j.chen@intel.com> From: Maxime Coquelin Message-ID: <1957d39f-3c1b-738a-eb4c-edc98d040119@redhat.com> Date: Fri, 4 May 2018 17:12:49 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <1524730400-252654-1-git-send-email-junjie.j.chen@intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Fri, 04 May 2018 15:12:52 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Fri, 04 May 2018 15:12:52 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'maxime.coquelin@redhat.com' RCPT:'' Subject: Re: [dpdk-dev] [PATCH] doc/vhost: update zero copy perfromance tip X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 May 2018 15:12:52 -0000 On 04/26/2018 10:13 AM, Junjie Chen wrote: > In VM2NIC case zero copy may need some tuning to get best performance. This > patch describes the zero copy starved case and provides a tuning tip. > > Signed-off-by: Junjie Chen > --- > doc/guides/prog_guide/vhost_lib.rst | 20 ++++++++++++-------- > 1 file changed, 12 insertions(+), 8 deletions(-) Applied to dpdk-next-virtio/master. Thanks, Maxime