From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vk0-f47.google.com (mail-vk0-f47.google.com [209.85.213.47]) by dpdk.org (Postfix) with ESMTP id 1CBD81094 for ; Tue, 10 Jan 2017 05:51:08 +0100 (CET) Received: by mail-vk0-f47.google.com with SMTP id x75so28778001vke.2 for ; Mon, 09 Jan 2017 20:51:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=6OPf+I+v/4p7hgEd68nZTUNTFgJhP0UqxfB6v/OaumM=; b=khGN0u946v5N+2Jhqq6uCuHdIw5q/uUUJWocPljbUEQJJtryHFm+RZSzdLiBHs7TAw mUapHNj5XjMwYdadJuvwT7TUV5xBKjwmYOQxZO+3rquRa/iIDctX+mnFP/CKqpvYR3ZW 5MbTGYI3ehg9Jvyakx+bPhzYu77XLOGIVmgalB4eOVXRyJmVb8zNcF5y62MXrnv4oU5B OoVesoSztk2Pf/vjpNsevkXebrXBNBOqDLPnw25atlLCMON8DS+xus7pi1SSXZNrj/KK fKF52/FGXuo2Au560by+QSTzpHfdHvrrSzEK3uwg6Ig4/2nVKO4imjnIK1h3+BXYMeGE Qbgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=6OPf+I+v/4p7hgEd68nZTUNTFgJhP0UqxfB6v/OaumM=; b=rP70SCHfuvE2qeYHMTGlH974TZYaW2VbC4LV7SiS1akhUCk89Pap928cp5vCssGXBH VTiEQmIyl0C/nX+3dCrb69bAoElUHTnJsEsyqLOqXOzFDweAbXrzWncWyDp3eObiA6tt GZSPc7H3FNN/rIMVuOd70FEMaz9SBt/iJDcnvYgpPO3rI1oOyAhm2xhwARH73uOp4VIW Q0Mc0IROEZ0TAUvoiWw/JiQrQW/lM9AmyYiqLtpg91nAy1bMRJ7tjkfFtDxgxSzd2SzG xxARyCir4KHmvXM7fyFRPQYIy/wtqa7kfW8max5KpTnREEpB8LsQl02mH7SxEuXcL4MI X4tQ== X-Gm-Message-State: AIkVDXL07qul/dQQufW6OSTc8Gr1ov3C8pNWcoAXuymGaVaf7Lr1czB00OLwuxgDQe6gAA== X-Received: by 10.31.57.136 with SMTP id g130mr591757vka.121.1484023867056; Mon, 09 Jan 2017 20:51:07 -0800 (PST) Received: from mail-vk0-f53.google.com (mail-vk0-f53.google.com. [209.85.213.53]) by smtp.gmail.com with ESMTPSA id j14sm273029uab.13.2017.01.09.20.51.05 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 09 Jan 2017 20:51:05 -0800 (PST) Received: by mail-vk0-f53.google.com with SMTP id x75so28777562vke.2 for ; Mon, 09 Jan 2017 20:51:05 -0800 (PST) X-Received: by 10.31.92.1 with SMTP id q1mr306543vkb.151.1484023864686; Mon, 09 Jan 2017 20:51:04 -0800 (PST) MIME-Version: 1.0 Received: by 10.159.38.161 with HTTP; Mon, 9 Jan 2017 20:51:04 -0800 (PST) From: Royce Niu Date: Tue, 10 Jan 2017 12:51:04 +0800 X-Gmail-Original-Message-ID: Message-ID: To: dev@dpdk.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-dev] Why MLX4 can only generate 6Mpp/s (64B pkt) by one core? 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: Tue, 10 Jan 2017 04:51:08 -0000 Dear all, My Mellanox 3 Pro can only generate packet at maximum of 6Mpp/s (64B) by one core. This is too slow for a 40Gbps port. Could anyone give me a hint please? Configuration: Followed: http://dpdk.org/doc/guides/nics/mlx4.html 1. install MLNX_OFED_LINUX-3.4-2.0.0.0 2. Added CONFIG_RTE_LIBRTE_MLX4_PMD=y in .config 3. make DPDK 16.07.2 4. Closed Dell S6000 swith flow control (both rx,tx) 5. Made sure all ports are in 40GBE mode With my own pkt-gen and DPDK-pktgen, both generate at 6Mpps of 64B pkt by one core, which is so slow, since I can generate 14Mpps via an Intel X520 10G interface. Thanks. -- Regards, Royce