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=-14.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH,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 27A33C4321A for ; Tue, 11 Jun 2019 18:59:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 04DB321852 for ; Tue, 11 Jun 2019 18:59:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560279575; bh=CEF+vfaUm199cKv54pV8TJNqD1rd4Sgq6l3Y8h2S4h0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=qDJ8rAqJ+U74qf5xYm3b/RoeCEfCItP0J+dtaXMtU/s9Rc7DfhxVa06/nQPsDvnSH biXeIweAp293ilVWAHXvc4IL1p2BjTWCfEUCTAlQUvkCH6yrosSy5nkDiukCqrQGDQ pU2k/0/aOOiujHti48XW8jj2BQpl4pPJxHih6EyY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405181AbfFKS7e (ORCPT ); Tue, 11 Jun 2019 14:59:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:36316 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392181AbfFKS7d (ORCPT ); Tue, 11 Jun 2019 14:59:33 -0400 Received: from quaco.ghostprotocols.net (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 BB67A21841; Tue, 11 Jun 2019 18:59:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560279573; bh=CEF+vfaUm199cKv54pV8TJNqD1rd4Sgq6l3Y8h2S4h0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NkLAp+Svr4U8DMF5iAO97Ni4Vl19DWSLmllb7dINiWNd0d3ECNxFy3PYJKwhbGZBe rZl3AEaP51tMij9tmd/IQo6wWNjdad5Lm7ukUJcfvgNnXHB1PZCkEhQ5CxwpUqSY3s CePA0oh027b6kA8scDDWEr/JHOHM5Dg6/rBJBlXg= From: Arnaldo Carvalho de Melo To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , Alexander Shishkin , Alexey Budankov , Andi Kleen , Chong Jiang , Peter Zijlstra , Simon Que Subject: [PATCH 03/85] perf data: Document clockid header: HEADER_CLOCKID Date: Tue, 11 Jun 2019 15:57:49 -0300 Message-Id: <20190611185911.11645-4-acme@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190611185911.11645-1-acme@kernel.org> References: <20190611185911.11645-1-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: Arnaldo Carvalho de Melo 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 -- 2.20.1