From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id ACCF15A8C for ; Tue, 17 Nov 2015 15:49:14 +0100 (CET) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP; 17 Nov 2015 06:49:14 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,308,1444719600"; d="scan'208";a="840605619" Received: from irsmsx106.ger.corp.intel.com ([163.33.3.31]) by fmsmga001.fm.intel.com with ESMTP; 17 Nov 2015 06:49:12 -0800 Received: from irsmsx103.ger.corp.intel.com ([169.254.3.13]) by IRSMSX106.ger.corp.intel.com ([169.254.8.228]) with mapi id 14.03.0248.002; Tue, 17 Nov 2015 14:48:33 +0000 From: "Mcnamara, John" To: "Xu, Qian Q" , "dev@dpdk.org" Thread-Topic: [dpdk-dev] [PATCH v4] doc: add nic performance guide on linux gsg Thread-Index: AQHRITDqESTCdcx2j06jmdk7Cw9cR56gR5vg Date: Tue, 17 Nov 2015 14:48:33 +0000 Message-ID: References: <1447762153-31658-1-git-send-email-qian.q.xu@intel.com> In-Reply-To: <1447762153-31658-1-git-send-email-qian.q.xu@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [163.33.239.181] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH v4] doc: add nic performance guide on linux gsg X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Nov 2015 14:49:15 -0000 Hi Qian, > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Qian Xu > Sent: Tuesday, November 17, 2015 12:09 PM > To: dev@dpdk.org > Subject: [dpdk-dev] [PATCH v4] doc: add nic performance guide on linux gs= g >=20 > Add a new guide doc as part of the Linux Getting Started Guide. >=20 > The document is a step-by-step guide on how to get high performance with > DPDK on an Intel platform. >=20 > It is designed for users who are not familiar with DPDK but would like to > get the best performance with NICs. >=20 > Signed-off-by: Qian Xu >=20 > Changes in v4: > * Update some naming and wordings according to Thomas's comments. I think the "Changes" should be separated from the commit message by a sing= le line with ---. Thomas is that correct? > +Network Interface Card Requirements > +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > ... > + > +Care should be take with NUMA. > +If you are using 2 or more ports from different NICs, it is best to > ensure that these NICs on the same CPU socket. Minor typo: NICs are on the same CPU socket. > +Example of getting best performance for an Intel NIC > +---------------------------------------------------- > + > .. > +2. Connect the ports to the traffic generator. To check the best > performance ,we suggest to use high speed traffic generator, such as > hardware traffic generator IXIA or Spirent. In the sample, we are using > IXIA. Thomas suggested previously to omit brand names like IXIA or Spirent. Somet= hing generic like the following would be better: 2. Connect the ports to the traffic generator. For high speed testing it is= best to use a hardware traffic generator. This will need to change in the image as well. > + > +3. Check the PCI devices numa node (socket id) and get the cores number > on the exact socket id. > + In this case, ``82:00.0`` and ``85:00.0`` are both in socket 1, and > the cores on socket 1 in the referenced platform > + are 18-35 and 54-71. > + Note: Don't use one 2 logical cores on the same core (e.g core18 has = 2 Minor typo from last time: Don't use 2 logical cores .. John. --=20