From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f175.google.com (mail-pf0-f175.google.com [209.85.192.175]) by dpdk.org (Postfix) with ESMTP id C47662BAD for ; Fri, 4 Mar 2016 02:12:24 +0100 (CET) Received: by mail-pf0-f175.google.com with SMTP id 4so24959226pfd.1 for ; Thu, 03 Mar 2016 17:12:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=igel-co-jp.20150623.gappssmtp.com; s=20150623; h=subject:to:references:cc:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding; bh=uD1+PKMJGBvb5m8n27TpqQPCwFg2WAC7HqgmjXRNM4U=; b=ZqZ+u7OVZTdUp+tpTmmwxxchzT33vazLK2POootN+6XAbW2X4dN4H4O/J71z1XEE/0 nvM0CiYMLcGvlNzV+t/7o7qoU9rn5UueWUXWay0thEmWvk3EISku4M5/QmdPAlbqLNlj qa+FXothGBu4Nzjy9b74MdZaD5i+W1NR4RLmatjcy3a8dMx0owSW7/0qnRefwk4yjmrC /EjXNAZo3kiMSnZEntALq6NQTY91sK5Bxz1A/jZM6iBJCd8oO/39PexE5n7LSv76F6+5 s8DicYMeeAQZUIpkwg5Kk90qkJZzGlxym+On0ElWJxDcfjFpmWF7FDETSo1XxzyvS0Sz /q1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:cc:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=uD1+PKMJGBvb5m8n27TpqQPCwFg2WAC7HqgmjXRNM4U=; b=ApQLGvnjWxemje0KLglh27aK96VEKzH9GNOG+21V61cmue7hFn1/+b1dUAxxPJbard mQGjjd8E78r+EP1wrNP25etAheiG+ypFaFEU+VbplSq6dqNPlBqWZCiLYiLT+ttpJSwO 5Zn9PQdufUZPwFNSW7/CtVjbI9zLMZG1pq2QSit56hj/HPpqJKrpsdX9bB7VLmWf8t6u g7ZCdwEbXt2F7B74ry5fgWsOIczIG8ceIr3rbh9G3dO7CyuGhQSIMtJoxa8waOPqgKUz aU+7Gy1adO+2sZBe88x3x2oS1vLsW30OfUYLIZoZwQI/H3EqxlOvuIe+XtvicMTt0HsG l3XA== X-Gm-Message-State: AD7BkJLB/U+CIWKBFxaDp9z4TnBEJMsix9WQR9VQ/jsGEWBvmqrdgnjhVOSuSq1Fp040cQ== X-Received: by 10.98.18.8 with SMTP id a8mr8149401pfj.41.1457053944203; Thu, 03 Mar 2016 17:12:24 -0800 (PST) Received: from [10.16.129.101] (napt.igel.co.jp. [219.106.231.132]) by smtp.googlemail.com with ESMTPSA id p9sm897780pfa.11.2016.03.03.17.12.21 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 03 Mar 2016 17:12:23 -0800 (PST) To: "Qiu, Michael" , "dev@dpdk.org" References: <1454671693-3886-3-git-send-email-mukawa@igel.co.jp> <1455010686-21802-1-git-send-email-mukawa@igel.co.jp> <533710CFB86FA344BFBF2D6802E6028622F52FF8@SHSMSX101.ccr.corp.intel.com> <56CD3B27.1080706@igel.co.jp> <533710CFB86FA344BFBF2D6802E6028622F559E7@SHSMSX101.ccr.corp.intel.com> <56CFD4C5.1090008@igel.co.jp> <56D00E66.4090906@igel.co.jp> <533710CFB86FA344BFBF2D6802E6028622F59D67@SHSMSX101.ccr.corp.intel.com> <56D4FC2B.2060903@igel.co.jp> <533710CFB86FA344BFBF2D6802E6028622F5AC90@SHSMSX101.ccr.corp.intel.com> From: Tetsuya Mukawa Message-ID: <56D8E0F6.8010806@igel.co.jp> Date: Fri, 4 Mar 2016 10:12:22 +0900 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <533710CFB86FA344BFBF2D6802E6028622F5AC90@SHSMSX101.ccr.corp.intel.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: "ann.zhuangyanying@huawei.com" , "Liu, Yuanhan" Subject: Re: [dpdk-dev] [PATCH v9 0/2] Add VHOST PMD 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: Fri, 04 Mar 2016 01:12:25 -0000 On 2016/03/02 11:24, Qiu, Michael wrote: > On 3/1/2016 10:19 AM, Tetsuya Mukawa wrote: >> On 2016/03/01 11:00, Qiu, Michael wrote: >>> On 2/26/2016 4:36 PM, Tetsuya Mukawa wrote: >>>> On 2016/02/26 13:29, Tetsuya Mukawa wrote: > [...] > >>>>> BTW, I have set the frontend mergeable off. >>>>> I have checked below cases. >>>>> - Case1: Disable mergeable feature in virtio-net PMD. >>>>> - Case2: Disable mergeable feature in virtio-net PMD and use >>>>> '--txqflags=0xf01' option to use simple ring deploying. >>>>> Both cases, I still cannot see the drop. >>>>> >>>>> Anyway, I will send a few patch-series to determine the cause of drop. >>>>> So, could you please apply them and check the performance to determine >>>>> which cause the drop? >>>> Hi Michael, >>>> >>>> I may find what causes the drop. >>>> Could you please restart testpmd on guest when you see the drop, then >>>> check performance again? >>>> >>>> I guess the drop will occur only first time when testpmd on guest and >>>> host is connected. >>>> Here are rough steps. >>>> >>>> 1. Start testpmd on host >>>> 2. Start QEMU >>>> 3. Start testpmd on guest >>>> >>>> Then you will see the drop. >>>> Probably, if testpmd on guest is restarted, then you don't see the drop >>>> again. >>>> >>>> 4. Type 'quit' on guest. >>>> 5. Start testpmd on guest again. >> Hi Michael, >> >> I am sorry that above was caused by my miss configuration. >> So please ignore it. >> If you can have time today, could you please check v7 and v8 performance? > Hi, Tetsuya > > I have tried the qemu case but seems it does not have any difference, > maybe my configuration is wrong. > > What I used to test is container case from Jianfeng. And I make a > mistake that V6 compiled by GCC 5.3, but V9 with GCC 4.8, after using > the same compiler, the performance almost the same. Hi Michael, Sorry for late replying. And thanks for your checking. Thanks, Tetsuya > Thanks, > Michael > > >> Thanks, >> Tetsuya >> >>> OK, I will help to tested today. >>> >>> Thanks, >>> Michael