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=-3.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 443E8C43219 for ; Mon, 29 Apr 2019 09:52:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 12FD0205ED for ; Mon, 29 Apr 2019 09:52:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=netronome-com.20150623.gappssmtp.com header.i=@netronome-com.20150623.gappssmtp.com header.b="DfPO4wJo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727825AbfD2Jwn (ORCPT ); Mon, 29 Apr 2019 05:52:43 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:51196 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727795AbfD2Jwn (ORCPT ); Mon, 29 Apr 2019 05:52:43 -0400 Received: by mail-wm1-f68.google.com with SMTP id p21so11372447wmc.0 for ; Mon, 29 Apr 2019 02:52:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netronome-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=ddTRmLv3Sk/ckYO9yCrHSXMQdGG/Jaht3+8SnFS3LJI=; b=DfPO4wJoi//vng7BCPbbkGAkaJYEtOi2Gw2tEWEGt84k594JJ2FzIf286M0r+fXK0r 4tT4Z/kLykmcuEBduVdHGVxfdC47xF/wyzWJslLS4IDtcY0KiH/xdVr9V/tEe1SwvTM8 mzcSmvjsVYrFVaf4BbXIB2TDufFG1/BwRfDAic+0cj2jPFqOgEDxcFmwHmCuF+yG9Et8 X9nf0b72GE3/ofS9zs3VuS2af7AzWCL/+b+kSTU3r4yGr2dTmoJV0BTrdPR9FWenxVP2 28YETjZSTHV1fmu7dnXnNF69wO5A6uIaWz2hNtJSEREKOHc7ICVGIM50uwwnuZqDak+U PCmw== 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; bh=ddTRmLv3Sk/ckYO9yCrHSXMQdGG/Jaht3+8SnFS3LJI=; b=TPahUmQtwCKzp9ru9tXkCGLFXfNF8lrH995LogQkpYCybWsgH5nSlq7xlZvGGxzpbS TFSpeTOEoq5pok215QJO/GMVdb8pay8fWqEL7A/sCSvlE+K9gN64oaKJN9gnou2HYAkp MfRAql33nV2pYV0R9bfsQ7s/hdPrx5a856GbPNqCq4sh+9CxJFNsOVkKXokkTq9WDAgW gGfdc992p9/i/ybh05VQ1nsnMjt7kJrSSm2WoWv8B/DVzfx4uiI3PYiQBMXpVXaMPZ1N IQqUe5+khutpLkDjsyI6PcbBL7pLfQfGKVdqnU7Yl8DIwptm6EF7OMsjo89J6TJENu2n 9v6w== X-Gm-Message-State: APjAAAUMlME2H371RQYEGS214airqQaWaY8rqKDDNrFW0T5MwNeDyzJe Be5m6+qRDiw/NJM6OT1gzaBSKQ== X-Google-Smtp-Source: APXvYqw+mL/lwzhfdzg9TA3z5w2PAVOlGeeH+sNuRHUDhkdm3MFPEdV0WaUW8zM31xRUGc7D5kS97Q== X-Received: by 2002:a1c:7008:: with SMTP id l8mr16158593wmc.49.1556531561198; Mon, 29 Apr 2019 02:52:41 -0700 (PDT) Received: from cbtest32.netronome.com ([217.38.71.146]) by smtp.gmail.com with ESMTPSA id x20sm11241535wrg.29.2019.04.29.02.52.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 29 Apr 2019 02:52:40 -0700 (PDT) From: Quentin Monnet To: Alexei Starovoitov , Daniel Borkmann Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, oss-drivers@netronome.com, Quentin Monnet Subject: [PATCH bpf-next 0/6] tools: bpftool: add options for debug info from libbpf and verifier Date: Mon, 29 Apr 2019 10:52:21 +0100 Message-Id: <20190429095227.9745-1-quentin.monnet@netronome.com> X-Mailer: git-send-email 2.17.1 Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hi, This series adds several options to bpftool to make it print additional information via libbpf or the kernel verifier when attempting to load programs. A first option is used to select the log level for libbpf, and a second one is used for the verifier level. A third option (with a short name) is added as a shortcut for printing all available information from both components. A new API function is added to libbpf in order to pass the log_level from bpftool with the bpf_object__* part of the API. Also, the flags defined to name the verifier log levels are moved from kernel headers to UAPI headers, in an effort to make it easier to users to pass the value they want. Quentin Monnet (6): tools: bpftool: add --log-libbpf option to get debug info from libbpf tools: bpftool: add --log-all option to print all possible log info libbpf: add bpf_object__load_xattr() API function to pass log_level bpf: make BPF_LOG_* flags available in UAPI header tools: bpf: report latest changes from BPF UAPI header to tools tools: bpftool: add --log-verifier option to print kernel debug logs include/linux/bpf_verifier.h | 3 - include/uapi/linux/bpf.h | 5 + .../bpftool/Documentation/bpftool-prog.rst | 20 ++++ tools/bpf/bpftool/bash-completion/bpftool | 46 +++++++- tools/bpf/bpftool/main.c | 105 ++++++++++++++++-- tools/bpf/bpftool/main.h | 1 + tools/bpf/bpftool/prog.c | 24 ++-- tools/include/uapi/linux/bpf.h | 5 + tools/lib/bpf/libbpf.c | 20 +++- tools/lib/bpf/libbpf.h | 6 + tools/lib/bpf/libbpf.map | 1 + 11 files changed, 211 insertions(+), 25 deletions(-) -- 2.17.1