From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id E51B0A04F0; Mon, 13 Jan 2020 15:46:26 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 032361D17C; Mon, 13 Jan 2020 15:46:26 +0100 (CET) Received: from mail-io1-f68.google.com (mail-io1-f68.google.com [209.85.166.68]) by dpdk.org (Postfix) with ESMTP id AAD8C1D17A; Mon, 13 Jan 2020 15:46:24 +0100 (CET) Received: by mail-io1-f68.google.com with SMTP id z193so10059576iof.1; Mon, 13 Jan 2020 06:46:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=U6eBu1VjEVGUPzEH3Fqp0odmvSKc3aSDp40jOADITGA=; b=QD+BmwLBB28AGabzENGF8VAcUWmly9HnGYE112iZ19opegNawZUTtQrbo5vfQSkurZ dV9Ls/AsZ6Afwu+veLQgVly6Z2hymSnrXGVug4HuzCHrjsj/0bBJE2VmQDzxPbAakReM 3vu5skqqgZYPqiQK0DporvrVyjJqcGyXRSJGzIu1b/Me51YQbOtR2gtV3FoLDUhcQ928 kEFm+xb2Yp4PExzyleyINO/stIKbzUudTujuuXRMql3Ur+Q3WLCTXM1Fns2DoJABCjtU nc0rwfiYbyUf0Gb4/u3opTCRtlN8BQ9h51bZsDdAJKwxQvUWKeIPtakIfXAYB87X8769 LilA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=U6eBu1VjEVGUPzEH3Fqp0odmvSKc3aSDp40jOADITGA=; b=ZG+BWiMiCP80BUEjxkFjSnDCgXivX+80UTcM9vEidjZhL0n3DBAxSqxreeYfAK0w0Z 9WAnMRG8ZaTLvt5tnQ+899OmBd1lyzfnbH4/chZ9KcOYS7qI8QEyYYaFxSEpjyckg0tf OxiwubC+Dm2BocbKr0JbwRR0KOepwqIYAY+RtyWzhOzacsjt+p5r5GAVXxHRcA74Eycz 3kf7bov5fW5qpGbuq/QfQP49/3077Kg1/z6/S2XizqUOiI5oTbprkWwWc/qBnpmX9aiZ dnSVAs8TZ5YQ7ehIR7cjM6RL5t2hkU1Q6aZxbtcOvm/g1ja6HWmeBIhp1KCm06D99WMp SSSw== X-Gm-Message-State: APjAAAWLDL9swW2BrwSCS3QxGXvmO9MdpFpgFqVcOhgsCIp7Dld8CUe+ z6UZbfLVN5NS8Qdz+M6zaappdryQ0T7inpRLoWc= X-Google-Smtp-Source: APXvYqymsZ2MPFxCY2Ak3RdF6DTEMDtOhMKlO3adnZqesnEpnLqZmJpNMtEfvCUwuDjnAm6mVX0Xls3aQ7NbbIwJYJk= X-Received: by 2002:a5e:8516:: with SMTP id i22mr13358510ioj.130.1578926783925; Mon, 13 Jan 2020 06:46:23 -0800 (PST) MIME-Version: 1.0 References: <20200113130543.GC1645@bricha3-MOBL.ger.corp.intel.com> In-Reply-To: <20200113130543.GC1645@bricha3-MOBL.ger.corp.intel.com> From: Jerin Jacob Date: Mon, 13 Jan 2020 20:16:07 +0530 Message-ID: To: Bruce Richardson Cc: Jerin Jacob Kollanukkaran , "dev@dpdk.org" , Thomas Monjalon , David Marchand , Ferruh Yigit , Andrew Rybchenko , Ajit Khaparde , Qi Zhang , Xiaolong Ye , Raslan Darawsheh , Maxime Coquelin , Tiwei Bie , Akhil Goyal , Luca Boccassi , Kevin Traynor , "maintainers@dpdk.org" , John McNamara , Marko Kovacevic , Ray Kinsella , Aaron Conole , Michael Santana , Harry van Haaren , Cristian Dumitrescu , Phil Yang , Joyce Kong , =?UTF-8?Q?Mattias_R=C3=B6nnblom?= , Jan Viktorin , Gavin Hu , David Christensen , Konstantin Ananyev , Anatoly Burakov , Harini Ramakrishnan , Omar Cardona , Anand Rawat , Ranjit Menon , Olivier Matz , Gage Eads , Adrien Mazarguil , Nicolas Chautru , Declan Doherty , Fiona Trahe , Ashish Gupta , Erik Gabriel Carrillo , Abhinandan Gujjar , Shreyansh Jain , Hemant Agrawal , "Artem V. Andreev" , Nithin Kumar Dabilpuram , Vamsi Krishna Attunuru , Rosen Xu , Sachin Saxena , Stephen Hemminger , Chas Williams , "John W. Linville" , Prasun Kapoor , Marcin Wojtas , Michal Krawczyk , Guy Tzalik , Evgeny Schemeilin , Igor Chauskin , Ravi Kumar , Igor Russkikh , Pavel Belous , Shepard Siegel , Ed Czeck , John Miller , Somnath Kotur , Maciej Czekaj , Shijith Thotton , Srisivasubramanian Srinivasan , Rahul Lakkireddy , John Daley , Hyong Youb Kim , "Wei Hu (Xavier" , "Min Hu (Connor" , Yisen Zhuang , Ziyang Xuan , Xiaoyun Wang , Guoyang Zhou , Beilei Xing , Xiao Wang , Jingjing Wu , Wenzhuo Lu , Qiming Yang , Tomasz Duszynski , Liron Himi , Zyta Szpak , Kiran Kumar Kokkilagadda , Matan Azrad , Shahaf Shuler , Viacheslav Ovsiienko , "K. Y. Srinivasan" , Haiyang Zhang , Jan Remes , Heinrich Kuhn , Jan Gutter , Gagandeep Singh , Rasesh Mody , Shahed Shaikh , Yong Wang , Zhihong Wang , Steven Webster , Matt Peters , Keith Wiles , Tetsuya Mukawa , Gaetan Rivet , Jasvinder Singh , Jakub Grajciar , Ruifeng Wang , Anoob Joseph , Fan Zhang , Pablo de Lara , John Griffin , Deepak Kumar Jain , Michael Shamis , Nagadheeraj Rottela , Srikanth Jampala , Ankur Dwivedi , Jay Zhou , Lee Daly , Sunila Sahu , Nipun Gupta , Liang Ma , Peter Mccarthy , Tianfei zhang , Satha Koteswara Rao Kottidi , Xiaoyun Li , Bernard Iremonger , Vladimir Medvedkin , David Hunt , Reshma Pattan , Byron Marohn , Sameh Gobriel , Yipeng Wang , Honnappa Nagarahalli , Robert Sanford , Kevin Laatz , Maryam Tahhan , Ori Kam , Radu Nicolau , Tomasz Kantecki , Sunil Kumar Kori , Pavan Nikhilesh Bhagavatula , Kirill Rybalchenko , "Kadam, Pallavi" Content-Type: text/plain; charset="UTF-8" Subject: Re: [dpdk-dev] [RFC] DPDK Trace support 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Mon, Jan 13, 2020 at 6:36 PM Bruce Richardson wrote: > > > > So, Probably it good to have native CTF emitter in DPDK and reuse all > > open-source trace viewer(babeltrace and TraceCompass) and format(CTF) infrastructure. > > I think, it would be best of both world. > > > > Any thoughts on this subject? Based on the community feedback, I can work on the patch for v20.05. > > Forgive my ignorance of LTTng, but is there the concept of > enabling/disabling the trace points? If so, the overhead you refer to, that > is presumably with the trace enabled? Yes this is when trace is enabled. If the trace is disabled then it will be the only a handful of cycles. > /Bruce