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=-10.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 7DA9FC433E0 for ; Sat, 27 Jun 2020 13:37:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 51CB02158C for ; Sat, 27 Jun 2020 13:37:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="guoXZ4AP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726714AbgF0Nhn (ORCPT ); Sat, 27 Jun 2020 09:37:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725850AbgF0Nhm (ORCPT ); Sat, 27 Jun 2020 09:37:42 -0400 Received: from mail-pg1-x544.google.com (mail-pg1-x544.google.com [IPv6:2607:f8b0:4864:20::544]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 338E0C061794 for ; Sat, 27 Jun 2020 06:37:42 -0700 (PDT) Received: by mail-pg1-x544.google.com with SMTP id e8so6269857pgc.5 for ; Sat, 27 Jun 2020 06:37:42 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=t+mGbz+jBKo9dHNxI3C3wVTjmOKtqRlnc8Twc3V90cY=; b=guoXZ4APiOya6AozC6bNh5rbpfaVz3kRq2xsWVZAqnqQGRR1YQ8dzA5st8aIlP2t6T 4DfyeuOgD5Q2lDXUbfmNT9/fz6dMMPZxWKj7JHVg+QNpfsZUqlpANrPDrEdVbrCT/XFw 4mAtd7tXrSe00la0wwl2AiAXdjZYaM+xTR6C+JTSzUZp3w5fRepLzP9PJBDZo3Cqx7wj LD6HKuWYctHJ0YinTtG5Ih15plg6xQAEBycuVZ6FKY2NWeakf7hHLw1PckjBVoxs6WUx IlOYz89swHIcFh3JlHGEcE5iGdSR6b9LDKu+WkPGUbgAgivrg0MhJVp8lK+7WpUAY5W9 ZujQ== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=t+mGbz+jBKo9dHNxI3C3wVTjmOKtqRlnc8Twc3V90cY=; b=K3VUrc2YlXeeDynSe7Sj9fxfjpk0Lx4SDgwbE/KIkHsfgzqPFs2raV7PlYzcaZeoQ5 xs7We8WqEO87vzhU+KAzEqZ7Ll+ReDyRkgNx9TepseZnYREXLtLmQdg1uu5TEvXWuNdh yOFpdDnAkFVZozkdsxoCwcgJYhI8UOfz4HJBwS0QCr8LCuqJb/lmub6u4eHPajDJl+9j u1ES1FnDtu7U61JaUal1p4Nwv8zBTglELp7oYguTW0loqq7ESOjCQzWmDOUnizhTQiHR vpWJJ6yn34GEaCgnqYKo7Kc/Ke93mpmf875mzzDBtnpsj4Pq2MoNsiE7S/LW1K4J0xf6 s80w== X-Gm-Message-State: AOAM532yuU5T8eC1dLc/dcx5EmtuY7ADqLgJT6s0FWqYDBjuRjlID5yD Zn1tv3/LV7jHk1MRvVWytvw= X-Google-Smtp-Source: ABdhPJwECGOPvZCRAEupd/99mpS3PPR2n82GKZGOK7EHvvs8fldJVNJm41Not5D+TqfSZ4y21OpcwA== X-Received: by 2002:a63:fd03:: with SMTP id d3mr3346641pgh.76.1593265061737; Sat, 27 Jun 2020 06:37:41 -0700 (PDT) Received: from vultr.guest ([149.248.10.52]) by smtp.gmail.com with ESMTPSA id x8sm15060086pje.31.2020.06.27.06.37.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 27 Jun 2020 06:37:41 -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 v2 03/15] perf ftrace: add option -t/--tid to filter by thread id Date: Sat, 27 Jun 2020 21:36:42 +0800 Message-Id: <20200627133654.64863-4-changbin.du@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200627133654.64863-1-changbin.du@gmail.com> References: <20200627133654.64863-1-changbin.du@gmail.com> 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 This allows us to trace single thread instead of the whole process. Signed-off-by: Changbin Du --- tools/perf/Documentation/perf-ftrace.txt | 4 ++++ tools/perf/builtin-ftrace.c | 2 ++ 2 files changed, 6 insertions(+) diff --git a/tools/perf/Documentation/perf-ftrace.txt b/tools/perf/Documentation/perf-ftrace.txt index d79560dea19f..e204bf6d50d8 100644 --- a/tools/perf/Documentation/perf-ftrace.txt +++ b/tools/perf/Documentation/perf-ftrace.txt @@ -38,6 +38,10 @@ OPTIONS --pid=:: Trace on existing process id (comma separated list). +-t:: +--tid=:: + Trace on existing thread id (comma separated list). + -a:: --all-cpus:: Force system-wide collection. Scripts run without a diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c index e793118e83a9..b427ab3977ad 100644 --- a/tools/perf/builtin-ftrace.c +++ b/tools/perf/builtin-ftrace.c @@ -515,6 +515,8 @@ int cmd_ftrace(int argc, const char **argv) "Show available functions to filter"), OPT_STRING('p', "pid", &ftrace.target.pid, "pid", "trace on existing process id"), + OPT_STRING('t', "tid", &ftrace.target.tid, "tid", + "trace on existing thread id (exclusive to --pid)"), OPT_INCR('v', "verbose", &verbose, "be more verbose"), OPT_BOOLEAN('a', "all-cpus", &ftrace.target.system_wide, -- 2.25.1