From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8A4D8C43334 for ; Wed, 29 Jun 2022 09:00:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232774AbiF2JAL (ORCPT ); Wed, 29 Jun 2022 05:00:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232777AbiF2JAE (ORCPT ); Wed, 29 Jun 2022 05:00:04 -0400 Received: from eggs.gnu.org (eggs.gnu.org [IPv6:2001:470:142:3::10]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71F502559B; Wed, 29 Jun 2022 02:00:02 -0700 (PDT) Received: from fencepost.gnu.org ([2001:470:142:3::e]:53108) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o6TYF-0005Kw-9z; Wed, 29 Jun 2022 04:59:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:In-Reply-To:Date:References:Subject:To: From; bh=yWORYvO8IZ9m60ZBZWENFQneFKxqNCr4t6RwBfhrer8=; b=ZLZ9KuZCd2SDqrpxJkqG +voaKIJHCJpC+q0cXtrUfhueCJsMy9b5IpuYNrBi1ZsisbdXzVeW8k198uXzUTQjRCqxtQApieX1R MlzEblWkgl7NvdGKemQ/k3Y6sIsQ8pXgH0L9I9kRNsI8ahjLP/kmoVm8rd5IiMo9w43cFOfIxCJ0N JrjZIw461zbNGHFQh2WX91YCN+NWzn5AuwvBzULSP6VED+1Z3PBxtWs+0U4riWxM4tdsFLXw6dpSx c+4JxUsfnnUyIHNe7vsb93q8jyjp/aWhivj7IAs6xF58Gs0w5hd+8goOCdCYnMDHgMhurqlqUAA4C t2mdmgcf0S2KPg==; Received: from dynamic-077-182-178-150.77.182.pool.telefonica.de ([77.182.178.150]:54142 helo=termi.gnu.org) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o6TYE-0002JL-IW; Wed, 29 Jun 2022 04:59:59 -0400 From: "Jose E. Marchesi" To: Ruud van der Pas Cc: Nick Desaulniers , Sami Tolvanen , Bill Wendling , Vladimir Mezentsev , clang-built-linux , LKML , Yonghong Song , Wenlei He , Hongtao Yu , Ingo Molnar , linux-toolchains@vger.kernel.org, elena.zannoni@oracle.com Subject: Re: plumbers session on profiling? References: <87mtf7z0rt.fsf@gnu.org> <6F9E9D93-3913-4022-9384-D809C8EF7715@oracle.com> Date: Tue, 28 Jun 2022 19:08:48 +0200 In-Reply-To: (Ruud van der Pas's message of "Thu, 23 Jun 2022 23:21:07 +0200") Message-ID: <878rpgpvfj.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-toolchains@vger.kernel.org [Added linux-toolchains@vger in CC] It would be interesting to have some discussion in the Toolchains track on building the kernel with PGO/FDO. I have seen a raise on interest on the topic in several companies, but it would make very little sense if no kernel hacker is interested in participating... anybody? > Hi Nick, > > Apologies for the delay. It's been a busy week with gprofng related work. > >> If you're still considering attending Linux Plumbers conf, please >> submit a proposal: >> https://lpc.events/event/16/abstracts/ >> Please make sure to select "Toolchains Track" as the "Track" after >> clicking on "Submit new abstract." > > Thanks for asking! > > Our presence largely depends on a discussion on kernel profiling and > to see what we might be able to do with gprofng regarding this. > >>>From our side, the main person will be Vladimir. He knows the code > inside and out, but I will also try to attend such a session. > > Is there any news regarding such a session on kernel profiling? > > Kind regards, Ruud > >> >>> >>> Kind regards, Ruud >>> >>>> On 24 May 2022, at 12:24, Jose E. Marchesi wrote: >>>> >>>> >>>> I am adding Ruud van der Pas in CC. He works in gprofng and would be >>>> willing to participate in a discussion on kernel profiling. >>>> >>>>> (Re-sending with Vladamir's email addr fixed; sorry for the noise) >>>>> >>>>> On Fri, Apr 15, 2022 at 10:54 AM Nick Desaulniers >>>>> wrote: >>>>>> >>>>>> Hi Sami, Bill, Jose, and Vladamir, >>>>>> Jose and I are currently in the planning process to put together a >>>>>> Kernel+Toolchain microconference track at Linux Plumbers Conference >>>>>> this year (Sept 12-14) in Dublin, Ireland. >>>>>> >>>>>> Would you all be interested in leading a session discussing various >>>>>> profiling related topics such as: >>>>>> * gprofng >>>>>> * PGO >>>>>> * AutoFDO >>>>>> >>>>>> Would others find such a discussion useful? >>>>>> -- >>>>>> Thanks, >>>>>> ~Nick Desaulniers >>> >> >> >> -- >> Thanks, >> ~Nick Desaulniers