From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f169.google.com (mail-qt0-f169.google.com [209.85.216.169]) by dpdk.org (Postfix) with ESMTP id D89664C57 for ; Wed, 26 Jul 2017 11:02:50 +0200 (CEST) Received: by mail-qt0-f169.google.com with SMTP id v29so22149597qtv.3 for ; Wed, 26 Jul 2017 02:02:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=+wvm8Zb+TVz33gyIZQ42XiPdF++95pfUB8CZ4++8+FA=; b=EAAmktSLYu3ZH0DXDUVq5yDQyQXQmZX9hHkGJ/HDKIW346NaXWeE3wk6x/IYiKgMYE c3S3Hssc2axymUEdAeZmTAx9AFUNVpEB1Drr+ph9H9/zDt6HP1WIdtfsZATzgbc5c50L M7NpXsiUJaj/Jj7gxpZv8NqvQbRV5IQgmnLqKt0fNHtQHR8/6QcV6Wy0KHi4Bembg1ZA EzGqvheTTir9VW6G6DTKXnTfuz9Sn7OuKz//xn1YbcfMUtSDNHy9wfroLVDONgRQhmNU rEPkqJXwacL/fKrMDXp7USPFS3BapQnODyYG1OSkFFP/1dqqqqi1STGUbVXqnQf6GpUo //Tw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=+wvm8Zb+TVz33gyIZQ42XiPdF++95pfUB8CZ4++8+FA=; b=Pwzm7Bip3RQ9mgg3FMzoxApkLvRn0HrpnsAw0SXT+0QPOG1pDHjAd487SMr1vXoPJM gBm68HVB/es+hlzaHG6/VFDw5gMvwr/qV1T9THjSgHzFUe32tuEg1Ajt0MwxWj/6BZok 1fYinW8dNTvy3DBgGyj6b6yTd2PaamOmkMf/NuckfgNCwdq+qQ6MxUR8u9u/bs8dN05V dR045SzY5vtHosg/mRadZy4/VeNC1IArVp+F5taQRLjaX9jjzdg7reX0Se61QPe31b1b FDfzGcUePjVD5WHDERQ0LHVUyOp9bEv+eGmhBzZWV4N3nGqa1MpOuUilaNfDhNbvDt6T FA4Q== X-Gm-Message-State: AIVw113apevmON1c9tUTzBXTLUqrSbhMGE7OU+nbriY+d6f5vB28faGD YGgL8pTfbhJuxiujMStj8yWVErc53ElK X-Received: by 10.200.40.10 with SMTP id 10mr285133qtq.295.1501059770314; Wed, 26 Jul 2017 02:02:50 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.170.14 with HTTP; Wed, 26 Jul 2017 02:02:49 -0700 (PDT) In-Reply-To: <5ABE8F66-FD6B-424C-835C-74CB0CA4F8EE@intel.com> References: <5ABE8F66-FD6B-424C-835C-74CB0CA4F8EE@intel.com> From: Paul Tsvika Date: Wed, 26 Jul 2017 17:02:49 +0800 Message-ID: To: "Wiles, Keith" Cc: "users@dpdk.org" Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-users] [pktgen] pktgen Tx/Rx rates are not the same in loopback testing case X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Jul 2017 09:02:51 -0000 Hi Keith. This is a loopback test and I think it somehow affects the performance since there is only one NIC and phy on the mother board. I tried two mother boards and the tx/rx ( 9611/9497 ) rates look more reasonable. I can also set packet size in pktgen command line. However, I still don't understand why RX Desc 512, TX Desc 1024 are not the same. Should the values suppose to be the same ? Regards- P.T