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=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 0EC18C83000 for ; Wed, 29 Apr 2020 18:29:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D76C62076B for ; Wed, 29 Apr 2020 18:29:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MhhOE0vW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726905AbgD2S3a (ORCPT ); Wed, 29 Apr 2020 14:29:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726456AbgD2S33 (ORCPT ); Wed, 29 Apr 2020 14:29:29 -0400 Received: from mail-qv1-xf44.google.com (mail-qv1-xf44.google.com [IPv6:2607:f8b0:4864:20::f44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 52D75C03C1AE for ; Wed, 29 Apr 2020 11:29:29 -0700 (PDT) Received: by mail-qv1-xf44.google.com with SMTP id t8so1657239qvw.5 for ; Wed, 29 Apr 2020 11:29:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=sXFt0EZMvpiF8YvWRIbxBeZ3EWG6fYd2jc4e9y7grkU=; b=MhhOE0vWN+/14cKGsqZSyuPvclNoNVF4GWVTix4OzoiJHzBI55540T1AnuF+BsgPFM UgXuUs/eTfXJGve5J8kXAfdfwup+19seib3FEZkHChojA6l41N6ycHGkkm+kqDOPTnzl HX5/wbnBTDppaOU6cvDOxq+GKrhMy5bzo12RXG9EsPDoJmblp17YLM07wqhmGeRaXKul wVG0fPT4P90gS05agLoulalj8uFQkYzrY1KAuOQBcdXjbadDcrBS9j1AKHTGBaSi6eqO JWD1zMKi+tg8atMNJlfX7ccdyMpZBie3mDIAPAUv6DL4CzmrwjCIKnQit+19qtoMaYg7 /t1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=sXFt0EZMvpiF8YvWRIbxBeZ3EWG6fYd2jc4e9y7grkU=; b=A6J2tTUBlLmQQvl+k1F2rHUuZIFHhHgmprm1HYacrs6d7syOrTfJWjBguvoouNHnOO bROgEcBZ0OELAE2ZkS0HPLieIPKhNMuAW+OikjW663ugyuic4xn/UhjZkExI7YKqSEvq 5PMI3JVlYyFM1AjQX9UfVD+BnguB13ShVaqteWeikh/Ki/KSJ4y5QtGT2bkQ70L5Llcv fBZeORQ9ynN2cTDn1qlaxo95JgA9ksO0zXUnrzHn8XSXOLN7BbGeg8awgakOpAQjYEMB jIs7PUWq6uB4kkh9+Y9tI3MqeVfZ3tfrzfst8RX7T2naZ56a2xff6ouyvGuwRw1F4qQ2 nssg== X-Gm-Message-State: AGi0PuZWO6xXFNz0QMxugA6fikscVn3Q+meK3C7Pw225CgZxycHJReDF VPvHbnIYirp0CKfEoPUKRLuxTfz/D0YCTA== X-Google-Smtp-Source: APiQypJAgvM6Q87vV9TL/44rlOMPxSITQ1zUd/dku9xR8KhF8JEn44/tRWCWBNbKiU7p+H2vWDPLmA== X-Received: by 2002:a0c:e305:: with SMTP id s5mr35247944qvl.234.1588184968443; Wed, 29 Apr 2020 11:29:28 -0700 (PDT) Received: from quaco.ghostprotocols.net ([179.97.37.151]) by smtp.gmail.com with ESMTPSA id o27sm16284659qko.71.2020.04.29.11.29.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Apr 2020 11:29:27 -0700 (PDT) From: Arnaldo Carvalho de Melo X-Google-Original-From: Arnaldo Carvalho de Melo Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id 665FE409A3; Wed, 29 Apr 2020 15:29:25 -0300 (-03) Date: Wed, 29 Apr 2020 15:29:25 -0300 To: Adrian Hunter Cc: Jiri Olsa , Andi Kleen , linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/9] perf intel-pt: Add support for synthesizing branch stacks for regular events Message-ID: <20200429182925.GH30487@kernel.org> References: <20200429150751.12570-1-adrian.hunter@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200429150751.12570-1-adrian.hunter@intel.com> X-Url: http://acmel.wordpress.com Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Wed, Apr 29, 2020 at 06:07:42PM +0300, Adrian Hunter escreveu: > Hi > > This patchset adds Intel PT support for synthesizing branch stacks for > regular events. This follows on from the patchset that did the same thing > for call chains. > > The first 3 patches convert Intel PT to using thread-stack to record branch > stacks, which allows branch stacks to be accumulated separately for each > thread. > > The next 3 patches add support for synthesizing branch stacks for regular > events. > > The final 2 patches update some documentation. Thanks, applied. - Arnaldo > > Adrian Hunter (9): > perf thread-stack: Add branch stack support > perf intel-pt: Consolidate thread-stack use condition > perf intel-pt: Change branch stack support to use thread-stacks > perf auxtrace: Add option to synthesize branch stack for regular events > perf evsel: Add support for synthesized branch stack sample type > perf thread-stack: Add thread_stack__br_sample_late() > perf intel-pt: Add support for synthesizing branch stacks for regular events > perf intel-pt: Update documentation about itrace G and L options > perf intel-pt: Update documentation about using /proc/kcore > > tools/perf/Documentation/itrace.txt | 5 + > tools/perf/Documentation/perf-intel-pt.txt | 53 +++++-- > tools/perf/builtin-inject.c | 3 +- > tools/perf/builtin-report.c | 5 +- > tools/perf/util/auxtrace.c | 6 +- > tools/perf/util/auxtrace.h | 2 + > tools/perf/util/evsel.h | 10 ++ > tools/perf/util/intel-bts.c | 2 +- > tools/perf/util/intel-pt.c | 210 ++++++++++++++-------------- > tools/perf/util/s390-cpumsf.c | 3 +- > tools/perf/util/session.c | 2 +- > tools/perf/util/thread-stack.c | 217 +++++++++++++++++++++++++++-- > tools/perf/util/thread-stack.h | 8 +- > 13 files changed, 393 insertions(+), 133 deletions(-) > > > Regards > Adrian -- - Arnaldo