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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,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 D8BA3C43381 for ; Tue, 12 Mar 2019 02:02:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9BB0D214AE for ; Tue, 12 Mar 2019 02:02:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552356150; bh=nRqU8G4fjuVX1EKxctFWDMy4ZPTvimzvcowJBbkcJ48=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=KH0s/zP5tMN0eAq4pG1SCp+vom6c3/g20/3LcsWnP1NJzBCvtuiW6L+uaR00WE6K4 H7BZ4YqMxOn+PZ2eOB5aGGAyRg/pMVK3NVpdmufCsTeGmI7H9h1iRiAUJ7KhcCQsGL /DcbZ+IXA1zfgscnM43L4fl+N4s4Rj9AJqTeXrz8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726852AbfCLCC2 (ORCPT ); Mon, 11 Mar 2019 22:02:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:36188 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726835AbfCLCCZ (ORCPT ); Mon, 11 Mar 2019 22:02:25 -0400 Received: from quaco.meukeo.local (unknown [179.97.35.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9D5BE2171F; Tue, 12 Mar 2019 02:02:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552356144; bh=nRqU8G4fjuVX1EKxctFWDMy4ZPTvimzvcowJBbkcJ48=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yA1aqnXmXGQOHmrFxsI/MXC6waVkys5RiKyoRs2V48pA57+FEhvsSrbghfEM2cRnt zoEBOHT7BXf4sguPekuX8gKb9x3YxhD+Ub9/M112h/emN6skRTr/zgyTK+K7zVp8TK zEJyEoiXHOQoIHTEgBj/5aLclRnSqt5Oz2YbY+Ps= From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Andi Kleen , Arnaldo Carvalho de Melo Subject: [PATCH 03/30] perf report: Support output in nanoseconds Date: Mon, 11 Mar 2019 23:01:37 -0300 Message-Id: <20190312020204.22092-4-acme@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190312020204.22092-1-acme@kernel.org> References: <20190312020204.22092-1-acme@kernel.org> 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 From: Andi Kleen Upcoming changes add timestamp output in perf report. Add a --ns argument similar to perf script to support nanoseconds resolution when needed. Signed-off-by: Andi Kleen Cc: Jiri Olsa Cc: Namhyung Kim Link: http://lkml.kernel.org/r/20190305144758.12397-5-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-report.txt | 3 +++ tools/perf/builtin-report.c | 1 + tools/perf/builtin-script.c | 11 +++++------ tools/perf/util/symbol.c | 1 + tools/perf/util/symbol_conf.h | 1 + 5 files changed, 11 insertions(+), 6 deletions(-) diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 1a27bfe05039..51dbc519dbce 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -477,6 +477,9 @@ include::itrace.txt[] Please note that not all mmaps are stored, options affecting which ones are include 'perf record --data', for instance. +--ns:: + Show time stamps in nanoseconds. + --stats:: Display overall events statistics without any further processing. (like the one at the end of the perf report -D command) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index ee93c18a6685..515864ba504a 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -1147,6 +1147,7 @@ int cmd_report(int argc, const char **argv) OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period", "Set percent type local/global-period/hits", annotate_parse_percent_type), + OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"), OPT_END() }; struct perf_data data = { diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index a5080afd361d..111787e83784 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -60,7 +60,6 @@ static bool no_callchain; static bool latency_format; static bool system_wide; static bool print_flags; -static bool nanosecs; static const char *cpu_list; static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); static struct perf_stat_config stat_config; @@ -691,7 +690,7 @@ static int perf_sample__fprintf_start(struct perf_sample *sample, secs = nsecs / NSEC_PER_SEC; nsecs -= secs * NSEC_PER_SEC; - if (nanosecs) + if (symbol_conf.nanosecs) printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); else { char sample_time[32]; @@ -3244,7 +3243,7 @@ static int parse_insn_trace(const struct option *opt __maybe_unused, { parse_output_fields(NULL, "+insn,-event,-period", 0); itrace_parse_synth_opts(opt, "i0ns", 0); - nanosecs = true; + symbol_conf.nanosecs = true; return 0; } @@ -3262,7 +3261,7 @@ static int parse_call_trace(const struct option *opt __maybe_unused, { parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); itrace_parse_synth_opts(opt, "cewp", 0); - nanosecs = true; + symbol_conf.nanosecs = true; return 0; } @@ -3272,7 +3271,7 @@ static int parse_callret_trace(const struct option *opt __maybe_unused, { parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); itrace_parse_synth_opts(opt, "crewp", 0); - nanosecs = true; + symbol_conf.nanosecs = true; return 0; } @@ -3408,7 +3407,7 @@ int cmd_script(int argc, const char **argv) OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), OPT_INTEGER(0, "max-blocks", &max_blocks, "Maximum number of code blocks to dump with brstackinsn"), - OPT_BOOLEAN(0, "ns", &nanosecs, + OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Use 9 decimal places when displaying time"), OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", "Instruction Tracing options\n" ITRACE_HELP, diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 758bf5f74e6e..eb873ea1c405 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -39,6 +39,7 @@ int vmlinux_path__nr_entries; char **vmlinux_path; struct symbol_conf symbol_conf = { + .nanosecs = false, .use_modules = true, .try_vmlinux_path = true, .demangle = true, diff --git a/tools/perf/util/symbol_conf.h b/tools/perf/util/symbol_conf.h index fffea68c1203..095a297c8b47 100644 --- a/tools/perf/util/symbol_conf.h +++ b/tools/perf/util/symbol_conf.h @@ -8,6 +8,7 @@ struct strlist; struct intlist; struct symbol_conf { + bool nanosecs; unsigned short priv_size; bool try_vmlinux_path, init_annotation, -- 2.20.1