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 X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 921E5C41514 for ; Tue, 27 Aug 2019 07:48:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6659F20679 for ; Tue, 27 Aug 2019 07:48:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728579AbfH0HsH (ORCPT ); Tue, 27 Aug 2019 03:48:07 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60394 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726071AbfH0HsH (ORCPT ); Tue, 27 Aug 2019 03:48:07 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id CC0342A09AC; Tue, 27 Aug 2019 07:48:06 +0000 (UTC) Received: from krava (unknown [10.43.17.33]) by smtp.corp.redhat.com (Postfix) with SMTP id 77E495DAAF; Tue, 27 Aug 2019 07:48:03 +0000 (UTC) Date: Tue, 27 Aug 2019 09:48:02 +0200 From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: Andi Kleen , Alexey Budankov , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Kan Liang , Stephane Eranian , Ian Rogers , Song Liu , "Jin, Yao" , Ingo Molnar , Thomas Gleixner , Kees Cook , Jonatan Corbet , "linux-perf-users@vger.kernel.org" , linux-kernel , Mark Rutland Subject: Re: BoF on LPC 2019 : Linux Perf advancements for compute intensive and server systems Message-ID: <20190827074802.GA22896@krava> References: <43216530-4410-6cc4-aa4a-51fa7e7c1b0c@linux.intel.com> <20190826135536.GA24801@kernel.org> <20190826175758.GH5447@tassilo.jf.intel.com> <20190826221021.GB21761@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190826221021.GB21761@kernel.org> User-Agent: Mutt/1.12.1 (2019-06-15) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Tue, 27 Aug 2019 07:48:07 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 26, 2019 at 07:10:21PM -0300, Arnaldo Carvalho de Melo wrote: > Em Mon, Aug 26, 2019 at 10:57:58AM -0700, Andi Kleen escreveu: > > > > > > > > > > > All those are already merged, after long reviewing phases and lots of > > > > testing, right? > > > > > > Right. These changes now constitute parts of the Linux kernel source tree. > > > > Might be better to focus on future areas that haven't been merged yet. > > Agreed, we can have a initial, short report on what has been done to > address these issues, and I think Alexey could take care of that, but > then we should try and list here what else in addition to what Ian et > all listed on their talk. > > And perhaps even things that ammeliorate the problems they list there, > i.e. Ian, Stephane, the things that Alexey listed were already > tested/considered by you guys? there's also ongoing work on adding threads to perf record: https://lore.kernel.org/lkml/20180913125450.21342-1-jolsa@kernel.org/#t currently being stuck on me sending the perf_sesion changes Alexey ran some initial benchmarks and it seems to perform nicely, not sure we discussed the results on list thought jirka