From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f47.google.com (mail-lf0-f47.google.com [209.85.215.47]) by dpdk.org (Postfix) with ESMTP id 5B97D11D9 for ; Fri, 13 Jan 2017 10:53:41 +0100 (CET) Received: by mail-lf0-f47.google.com with SMTP id k86so32777750lfi.0 for ; Fri, 13 Jan 2017 01:53:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:user-agent:in-reply-to :references:mime-version:content-transfer-encoding; bh=tliyZFCcrEazgt9qwSqY9mSz6ljhaZldza3SPg2Ltjc=; b=hGlI8Gt+g7vGQ3a/aPFQ8RZ5XKW7blk/IXAiO28aF7f4z9i305/huwOGKfRdyqiqqt xi5AD4o6Ttgs+1cdEpNjyFbKhfuijJeYwm+9H/X3RlosW1kFebTiQdLMo22mVLHn+gsD MORT6nUWwYqfbH2W52qZVAACKhM3F59G6rxPFAl/T0JZdPlOEWmtbJifPczNio38u/x0 JfysT84dqtgUU0HaTbsiL7xQdkd54y6uOvgVKg+8atQHfy1cbp7g449jv4ATxX9q3V8g ThGVAhabMFofEGeokTFNLaK4eKdIUoP8gBkGfIMalRDAbVh/BEOA/1JMAXO/TZLWSRBn //MA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:user-agent :in-reply-to:references:mime-version:content-transfer-encoding; bh=tliyZFCcrEazgt9qwSqY9mSz6ljhaZldza3SPg2Ltjc=; b=gZLEnmhlJr1MyXLPXAVveI7BHiifNf+hNrpHYlWN8jCYr8hilBYPyorAk75R5UxVEm r/hDufe1XIlmXeM1tQ+iLHNZRuOsE/ofaOWQN+sHTZPb8kzJyFZqo+3/EEoUVwCEJNbR OufOpw5Fe6DiAz02sYZ5rS4/ZslTGzmELWvh/So+rpAB8vcG/otYH27eB1QgF0I5lgJ6 fncO3WGNkxF2LqCflq9BbyI83iksh48YpRQaiw6FHfDSpdrXqHEaOTd0LvtYUFzXoDlQ mN3sMeINQBviTFq2AsP8sbpQ5EXYwRgQEtX6hEAt9bne9buboCAnDP+u6I3Zux2UnYdK umzw== X-Gm-Message-State: AIkVDXI4q59y9hyf8vQwuZgqR98awJh7JMNSwQ0owlS9CcEYKqOK8OKO33q96HHszrO3bfi6 X-Received: by 10.25.137.193 with SMTP id l184mr5973930lfd.31.1484301220688; Fri, 13 Jan 2017 01:53:40 -0800 (PST) Received: from xps13.localnet (184.203.134.77.rev.sfr.net. [77.134.203.184]) by smtp.gmail.com with ESMTPSA id r192sm3502555lfe.33.2017.01.13.01.53.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 13 Jan 2017 01:53:39 -0800 (PST) From: Thomas Monjalon To: "Mcnamara, John" , "Horton, Remy" Cc: "Pattan, Reshma" , dev@dpdk.org, olivier.matz@6wind.com Date: Fri, 13 Jan 2017 10:53:38 +0100 Message-ID: <13507107.EIuE9WulkJ@xps13> User-Agent: KMail/4.14.10 (Linux/4.5.4-1-ARCH; KDE/4.14.11; x86_64; ; ) In-Reply-To: References: <1484150594-3758-1-git-send-email-remy.horton@intel.com> <8494765.8zaa745I9T@xps13> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH v6 4/4] latencystats: added new library for latency stats 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: Fri, 13 Jan 2017 09:53:41 -0000 2017-01-13 09:45, Mcnamara, John: > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Thomas Monjalon > > 2017-01-12 00:03, Remy Horton: > > > Add a library designed to calculate latency statistics and report them > > > to the application when queried. The library measures minimum, average > > > and maximum latencies, and jitter in nano seconds. The current > > > implementation supports global latency stats, i.e. per application > > stats. > > > > Is it specific to ethdev ports? > > > > > Added new field to mbuf struct to mark the packet arrival time on Rx. > > > > There was another patch adding a timestamp in mbuf: > > http://dpdk.org/ml/archives/dev/2016-October/048809.html > > Hi Thomas, > > Is that an issue? The other patch adds the same field for more or less the same purpose. > If the other patch goes in we can rework this patch or if this patch goes in the > other one won't be required. Yes The only issue is that it is not yet accepted or merged. I think Olivier was considering it in a more global mbuf rework.