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 26F7EC433EF for ; Fri, 11 Feb 2022 16:52:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351825AbiBKQwt (ORCPT ); Fri, 11 Feb 2022 11:52:49 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:52438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242214AbiBKQwq (ORCPT ); Fri, 11 Feb 2022 11:52:46 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 09C1A8D for ; Fri, 11 Feb 2022 08:52:45 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9C79E618B0 for ; Fri, 11 Feb 2022 16:52:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E4973C340E9; Fri, 11 Feb 2022 16:52:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1644598364; bh=dQVZHOWp9O4+aAda6/oe3UBoykyAyCKAPb30XTe1pLc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Q8svW3QV4j1QSyUb/NCIxLI7+WYpA2NBiUaEQJ2kuVYhQARuZ5JoelAujthaqLvTf 4M4l8ciFxQxQ3V70J0Zlce+pOHm41c/+VaZxN3meNj07xZ6SyMnmv9HNkCUjcEEcbD T2MQ8a+9K0IN8vSvN+/iTeqhE/06iVztqsJwrppIIJvmRTKOtzHKCdjA1sxGPeNL4W vXh+ePKZmGd2u6q3tdBCKraP/lGXO7FDm6tUmnjxJ9leLgnrZzoFG4TBFcYebIqWyL +plOdMtwehreB/RtN/FeBt9p3BU5DPN0CyBqf0njdli7zEmKyYqP9PwPEjA7zH9/ON /jDxlpUcEz7AQ== Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id 177DE400FE; Fri, 11 Feb 2022 13:52:42 -0300 (-03) Date: Fri, 11 Feb 2022 13:52:42 -0300 From: Arnaldo Carvalho de Melo To: Alexey Bayduraev Cc: Jiri Olsa , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Ingo Molnar , linux-kernel , Andi Kleen , Adrian Hunter , Alexander Antonov , Alexei Budankov , Riccardo Mancini Subject: Re: [PATCH v13 03/16] perf record: Introduce thread specific data array Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Url: http://acmel.wordpress.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Fri, Feb 11, 2022 at 01:51:16PM -0300, Arnaldo Carvalho de Melo escreveu: > Em Mon, Jan 31, 2022 at 07:21:11PM -0300, Arnaldo Carvalho de Melo escreveu: > > Em Mon, Jan 31, 2022 at 06:39:39PM -0300, Arnaldo Carvalho de Melo escreveu: > > > Some changes to reduce patch size, I have them in my local tree, will > > > publish later. > > > > Its in perf/threaded at: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git > > > > Will continue tomorrow, testing it and checking the speedups on my > > 5950x, I think the things I found so far can be fixed in follow up > > patches, to make progress and have this merged sooner. > > > > I'll try and add committer notes with the test for some 'perf bench' > > workload without/with parallel recording, something I missed in your > > patch descriptions. > > Didn't manage to do that, but my considerations are minor at this point > and plenty of informed people acked, reviewed, tested, so I'm not going > to be the one to prevent this from going upstream. > > If we find problems (oh well), we'll fix it and progress. > > Thank you, Alexei Budankov, Jiri, Namhyung and Riccardo for working on > making perf scale at the record phase for so long, > > I'm pushing this to perf/core, that should get into 5.18. > > Also, as a heads up, I'll change 'perf/core' to 'perf/next', to align > with the kool kids out there, Something I forgot to add: the current codebase, with this patchset, passes 'perf test' and 'make -C tools/perf build-test' and also all the container build tests on a myriad of distros. - Arnaldo