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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,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 E67D5C06508 for ; Tue, 11 Jun 2019 18:59:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C39A921871 for ; Tue, 11 Jun 2019 18:59:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560279567; bh=c2PSAm9/6AEmzZrUKDXDvImOpyg/KiK8HasmE/vfCog=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=XEM4KMG7MalDPzOSfkjtxPHjMxr38HAqhYAK/JM9Lcj9CupRjvYpV/QVB8HHunyFh PJlG4y4WlsksnMdpPEnySVqASHk4C0Dc17titBc5+j3M4ggLQBoK7GXUqoeKovv6mb 10rQASvWgsj5anZHpe3jqVrkjNvdR+DowIWqmP3A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405068AbfFKS71 (ORCPT ); Tue, 11 Jun 2019 14:59:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:36174 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392179AbfFKS7Z (ORCPT ); Tue, 11 Jun 2019 14:59:25 -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 F0C172183E; Tue, 11 Jun 2019 18:59:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560279565; bh=c2PSAm9/6AEmzZrUKDXDvImOpyg/KiK8HasmE/vfCog=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yoGZZn09Nkf1z5AF5MVQQM9DMDVkrAQdEQ2i6cypDJ0Gyjm1gJOyt/4ANxRs5ICYF F+/dFAfXnFWh+Jn2gxsMyFjR9tcKTwHGrQBJlGtyQ1Kzwu/3T1STuPEqHczRcCYBjZ YegA5Z3sWljmUxKfpRK6Bk1p1dfkh0qFoE9qMhZ0= 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, Song Liu , Arnaldo Carvalho de Melo , Peter Zijlstra Subject: [PATCH 01/85] perf data: Add description of header HEADER_BPF_PROG_INFO and HEADER_BPF_BTF Date: Tue, 11 Jun 2019 15:57:47 -0300 Message-Id: <20190611185911.11645-2-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: Song Liu This patch addes description of HEADER_BPF_PROG_INFO and HEADER_BPF_BTF to perf.data-file-format.txt. Requested-by: Arnaldo Carvalho de Melo Signed-off-by: Song Liu Cc: Jiri Olsa Cc: Peter Zijlstra Fixes: 606f972b1361 ("perf bpf: Save bpf_prog_info information as headers to perf.data") Link: http://lkml.kernel.org/r/20190521064406.2498925-1-songliubraving@fb.com Signed-off-by: Arnaldo Carvalho de Melo --- .../perf/Documentation/perf.data-file-format.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/tools/perf/Documentation/perf.data-file-format.txt b/tools/perf/Documentation/perf.data-file-format.txt index 6967e9b02be5..022bb8b1c84a 100644 --- a/tools/perf/Documentation/perf.data-file-format.txt +++ b/tools/perf/Documentation/perf.data-file-format.txt @@ -272,6 +272,22 @@ struct { Two uint64_t for the time of first sample and the time of last sample. + HEADER_BPF_PROG_INFO = 25, + +struct bpf_prog_info_linear, which contains detailed information about +a BPF program, including type, id, tag, jited/xlated instructions, etc. + + HEADER_BPF_BTF = 26, + +Contains BPF Type Format (BTF). For more information about BTF, please +refer to Documentation/bpf/btf.rst. + +struct { + u32 id; + u32 data_size; + char data[]; +}; + HEADER_COMPRESSED = 27, struct { -- 2.20.1