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=-6.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 17A93C433DF for ; Fri, 10 Jul 2020 13:43:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D824B2063A for ; Fri, 10 Jul 2020 13:43:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="f6Fbp+qQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727866AbgGJNnv (ORCPT ); Fri, 10 Jul 2020 09:43:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726774AbgGJNnu (ORCPT ); Fri, 10 Jul 2020 09:43:50 -0400 Received: from mail-pj1-x102c.google.com (mail-pj1-x102c.google.com [IPv6:2607:f8b0:4864:20::102c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B9B88C08C5CE for ; Fri, 10 Jul 2020 06:43:50 -0700 (PDT) Received: by mail-pj1-x102c.google.com with SMTP id f16so2638805pjt.0 for ; Fri, 10 Jul 2020 06:43:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=xlL+dOHETChI19feaNn5OZODjfzHvkpc+NvYB/39YL0=; b=f6Fbp+qQiGRfG3hVNWwP4AvCgyrWn2xbrX7SkAerV9jHFukKWZLr8+jEztiUfaGtrs rjUFFpbeu8LFpTFNfJyrUqdgk/a/w9O8wCjSFrJnb4TX4pvHc7iwYfUmNGq+8f1w3zLA +klKV+bD9UCY13Zafk+yrtcCmGsYAuBW7IiFyhS82rY+xKnt9T/aIeI76xh0G4S/UuK0 5fBwatwHoIMsg2u7oQaUKB187tbXH5Lm0ge22FpiPAZF7Qm3qjmSEM7Un/WsfLzXckF+ m+AvA+QrBjqXkHnwrxppwQZX0DnlIqbkW1JVnlqgZpNp6dzbrVSz7nxFVA1Zk6Hyllec SNfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=xlL+dOHETChI19feaNn5OZODjfzHvkpc+NvYB/39YL0=; b=fEqwFL1wbVxiD1AcQQ6Vbv4OEz8bXGMcQzfy4/5X3j3tesuYo6T4MQV/3mGb8GDfE+ hqFiqxI3RrQGgYXqC9rjS3vCoqdsDPKM4gvQfFa93Jz6b9W0EoqaBiC+F4gklaS+uCWY wnT//kDRPPbdPNSFl6zKuxnIHc1rFoaMpoSB/nCXVy4UuK7Be5ntSaNjKMnIcajo0TE3 oYgX7rIfzUEhVGNlXXmD/H76NmcOyGSUtRxL9SvLtsDlSQRmnxPtmUcGsNThuqYvntSm 5E5EJwBH3z30RukdPXOb4itXWopMETGDpZYsQ/9TiPWGr5ieSiOT5mq8n9zBFYRoYA9k 7hLg== X-Gm-Message-State: AOAM533O9S2P17g1HpcLxUMDxu25wXHVGVe+6Qnk1gqJlAk0inPv9c1F dvKvAnj3iQDpG8I+IRzjWTM= X-Google-Smtp-Source: ABdhPJxvtyYyS9lv3+uWjI6ghN3u9/w5KInwnSEp2LfzyGeoC4Tgq0cXDaLYjtXnCkROrVxHnNUqCA== X-Received: by 2002:a17:90a:db8a:: with SMTP id h10mr5930005pjv.197.1594388630223; Fri, 10 Jul 2020 06:43:50 -0700 (PDT) Received: from vultr.guest ([149.248.10.52]) by smtp.gmail.com with ESMTPSA id 198sm6297363pfb.27.2020.07.10.06.43.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Jul 2020 06:43:49 -0700 (PDT) From: Changbin Du To: Jiri Olsa , Arnaldo Carvalho de Melo Cc: Peter Zijlstra , Ingo Molnar , Namhyung Kim , Steven Rostedt , linux-kernel@vger.kernel.org, Changbin Du Subject: [PATCH v4 00/17] perf: ftrace enhancement Date: Fri, 10 Jul 2020 21:43:05 +0800 Message-Id: <20200710134322.15400-1-changbin.du@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The perf has basic kernel ftrace support but lack support of most tracing options. This serias is target to enhance the perf ftrace functionality so that we can make full use of kernel ftrace with perf. In general, this serias be cataloged into two main changes: 1) Improve usability of existing functions. For example, we don't need to type extra option to select the tracer. 2) Add new options to support all other ftrace functions. Here is a glance of all ftrace functions with this serias: $ sudo perf ftrace -h Usage: perf ftrace [] [] or: perf ftrace [] -- [] -a, --all-cpus system-wide collection from all CPUs -C, --cpu list of cpus to monitor -D, --delay ms to wait before starting tracing after program start -F, --funcs Show available functions to filter -G, --graph-funcs trace given functions using function_graph tracer -g, --nograph-funcs Set nograph filter on given functions -m, --buffer-size size of per cpu buffer -N, --notrace-funcs do not trace given functions -p, --pid trace on existing process id -t, --tid trace on existing thread id (exclusive to --pid) -T, --trace-funcs trace given functions using function tracer -t, --tracer tracer to use: function or function_graph (This option is deprecated) -v, --verbose be more verbose --func-opts function tracer options, available options: call-graph,irq-info --graph-opts graph tracer options, available options: nosleep-time,noirqs,verbose,thresh=,depth= --inherit trace children processes v4: o add util/parse-sublevel-options.c O remove -D/--graph-depth v3: o add --func-opts and --graph-opts to set tracer specific options. o support units as a suffix for option '-m/--buffer-size'. v2: o patches for option '-u/--userstacktrace' and '--no-pager' are dropped. o update all related perf documentation. o rename some options. Now all funcgraph tracer options are prefixed with '--graph-', while all function tracer options are prefixed with '--func-'. o mark old options deprecated instead of removing them. Changbin Du (17): perf ftrace: select function/function_graph tracer automatically perf ftrace: add option '-F/--funcs' to list available functions perf ftrace: add option -t/--tid to filter by thread id perf ftrace: factor out function write_tracing_file_int() perf ftrace: add option '-m/--buffer-size' to set per-cpu buffer size perf ftrace: show trace column header perf ftrace: add option '--inherit' to trace children processes perf: util: add general function to parse sublevel options perf ftrace: add support for tracing option 'func_stack_trace' perf ftrace: add support for trace option sleep-time perf ftrace: add support for trace option funcgraph-irqs perf ftrace: add support for tracing option 'irq-info' perf ftrace: add option 'verbose' to show more info for graph tracer perf ftrace: add support for trace option tracing_thresh perf: ftrace: allow set graph depth by '--graph-opts' perf ftrace: add option -D/--delay to delay tracing perf ftrace: add change log tools/perf/Documentation/perf-config.txt | 5 - tools/perf/Documentation/perf-ftrace.txt | 37 ++- tools/perf/builtin-ftrace.c | 367 ++++++++++++++++++++++- tools/perf/util/Build | 1 + tools/perf/util/debug.c | 61 ++-- tools/perf/util/parse-sublevel-options.c | 63 ++++ tools/perf/util/parse-sublevel-options.h | 11 + 7 files changed, 477 insertions(+), 68 deletions(-) create mode 100644 tools/perf/util/parse-sublevel-options.c create mode 100644 tools/perf/util/parse-sublevel-options.h -- 2.25.1