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=-11.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 BF4D8C31E5B for ; Mon, 17 Jun 2019 18:56:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 88E522084D for ; Mon, 17 Jun 2019 18:56:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="q2ztoGVG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728683AbfFQS4s (ORCPT ); Mon, 17 Jun 2019 14:56:48 -0400 Received: from terminus.zytor.com ([198.137.202.136]:41025 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725772AbfFQS4r (ORCPT ); Mon, 17 Jun 2019 14:56:47 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x5HIuObi3553408 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Mon, 17 Jun 2019 11:56:24 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 terminus.zytor.com x5HIuObi3553408 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2019051801; t=1560797785; bh=mEyJNqo4FFbaepedw9v87K8lEFqEvaLoJhBUa2TTJ2g=; h=Date:From:Cc:Reply-To:To:Subject:From; b=q2ztoGVGXijg+gcGn8Yxrw4U1f1t39GajkFiNjGt4AQKMsHFOHprE6cEKPtqAXqNl bZk41vqjT2DpvLdUl4W/zux1/2aFWQhJYBdECXf6e3qK9eanHY+TFvjtKcwTjpNmiD EFHV9rN47niAzt9tdvd0BAr0T0EqsIyZ2p5/dbODXlsuPSI0EyrCO33p8hhVZChHAV jJpLFzpZgI/+CG8p9go+RzM8zq4oOjOGCj1qRwO5RF3RQRYCFRsDwcd+sxGj/YggWh 4QFDh0ZXJ2GBZPdlsjacwajUdq37M2SHCSLxYdCxbt0Imw47ApfGdwSjjppuw0vrcD m+8EDwqY7V/Ng== Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x5HIuOma3553405; Mon, 17 Jun 2019 11:56:24 -0700 Date: Mon, 17 Jun 2019 11:56:24 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Arnaldo Carvalho de Melo Message-ID: Cc: alexey.budankov@linux.intel.com, mingo@kernel.org, hpa@zytor.com, jolsa@kernel.org, ak@linux.intel.com, linux-kernel@vger.kernel.org, sque@chromium.org, alexander.shishkin@linux.intel.com, chongjiang@chromium.org, adrian.hunter@intel.com, acme@redhat.com, peterz@infradead.org, namhyung@kernel.org, tglx@linutronix.de Reply-To: peterz@infradead.org, namhyung@kernel.org, acme@redhat.com, tglx@linutronix.de, alexander.shishkin@linux.intel.com, chongjiang@chromium.org, adrian.hunter@intel.com, ak@linux.intel.com, sque@chromium.org, linux-kernel@vger.kernel.org, jolsa@kernel.org, alexey.budankov@linux.intel.com, hpa@zytor.com, mingo@kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf data: Document clockid header: HEADER_CLOCKID Git-Commit-ID: a9de7cfc7663882e98ec3b2ecf35c546a013b956 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: a9de7cfc7663882e98ec3b2ecf35c546a013b956 Gitweb: https://git.kernel.org/tip/a9de7cfc7663882e98ec3b2ecf35c546a013b956 Author: Arnaldo Carvalho de Melo AuthorDate: Wed, 29 May 2019 15:43:51 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Wed, 5 Jun 2019 09:47:53 -0300 perf data: Document clockid header: HEADER_CLOCKID We forgot to update the perf.data file format document for the HEADER_CLOCKID header, do it now from comments in the patch introducing it. Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Alexey Budankov Cc: Andi Kleen Cc: Chong Jiang Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Simon Que Fixes: cf7905165fee ("perf record: Encode -k clockid frequency into Perf trace") Link: https://lkml.kernel.org/n/tip-slhnjp06027j3ae17qqetzxj@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf.data-file-format.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/perf/Documentation/perf.data-file-format.txt b/tools/perf/Documentation/perf.data-file-format.txt index 99733751695b..600999f89c6d 100644 --- a/tools/perf/Documentation/perf.data-file-format.txt +++ b/tools/perf/Documentation/perf.data-file-format.txt @@ -296,6 +296,12 @@ $ perf report --header-only -I # memory nodes (nr 1, block size 0x8000000): # 0 [7G]: 0-23,32-69 + HEADER_CLOCKID = 23, + +One uint64_t for the clockid frequency, specified, for instance, via 'perf +record -k' (see clock_gettime()), to enable timestamps derived metrics +conversion into wall clock time on the reporting stage. + HEADER_BPF_PROG_INFO = 25, struct bpf_prog_info_linear, which contains detailed information about