From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by dpdk.org (Postfix) with ESMTP id 5FD1AB35F for ; Thu, 24 Jul 2014 14:47:32 +0200 (CEST) Received: from azsmga001.ch.intel.com ([10.2.17.19]) by azsmga101.ch.intel.com with ESMTP; 24 Jul 2014 05:48:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,724,1400050800"; d="scan'208";a="460868069" Received: from irsmsx101.ger.corp.intel.com ([163.33.3.153]) by azsmga001.ch.intel.com with ESMTP; 24 Jul 2014 05:48:55 -0700 Received: from irsmsx155.ger.corp.intel.com (163.33.192.3) by IRSMSX101.ger.corp.intel.com (163.33.3.153) with Microsoft SMTP Server (TLS) id 14.3.123.3; Thu, 24 Jul 2014 13:48:38 +0100 Received: from irsmsx102.ger.corp.intel.com ([169.254.2.104]) by IRSMSX155.ger.corp.intel.com ([169.254.14.102]) with mapi id 14.03.0123.003; Thu, 24 Jul 2014 13:48:38 +0100 From: "Wodkowski, PawelX" To: "dev@dpdk.org" Thread-Topic: Re: [dpdk-dev] About round trip latency with DPDK Thread-Index: Ac+nM9ceFAX2jUs2SHKQYCdbU0W0kQ== Date: Thu, 24 Jul 2014 12:48:38 +0000 Message-ID: Accept-Language: pl-PL, 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" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Subject: Re: [dpdk-dev] About round trip latency with DPDK 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: Thu, 24 Jul 2014 12:47:32 -0000 Refer to DPDK getting started guide paragraph 5.4. It might help. Also it might be easier to do write simple application that send a packet o= n port 1 and rx it on port 2 in separate threads on separate cores (simple = physical loop). You can then add timestamp and send packet back and see how= long it will take TX to RX and RX to TX process. Pawel Wodkowski -------------------------------------------------------------- Intel Shannon Limited Registered in Ireland Registered Office: Collinstown Industrial Park, Leixlip, County Kildare Registered Number: 308263 Business address: Dromore House, East Park, Shannon, Co. Clare This e-mail and any attachments may contain confidential material for the s= ole use of the intended recipient(s). Any review or distribution by others = is strictly prohibited. If you are not the intended recipient, please conta= ct the sender and delete all copies.