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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 0F1AFC433E0 for ; Mon, 22 Feb 2021 20:00:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D56CE64E31 for ; Mon, 22 Feb 2021 20:00:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231226AbhBVUAB (ORCPT ); Mon, 22 Feb 2021 15:00:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45684 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231652AbhBVT77 (ORCPT ); Mon, 22 Feb 2021 14:59:59 -0500 Received: from mail-oi1-x22c.google.com (mail-oi1-x22c.google.com [IPv6:2607:f8b0:4864:20::22c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB3DFC061786; Mon, 22 Feb 2021 11:59:18 -0800 (PST) Received: by mail-oi1-x22c.google.com with SMTP id d20so15239008oiw.10; Mon, 22 Feb 2021 11:59:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=2SXqUvT54kKjdOxFJnOi4gZFO6SdTpDHa17+Fn5lo0U=; b=LZPoH317/hr87yT8xRI+td91z9dl9JTs/1QMi7nZK6YcYMGcVeOmBdYG32a23jsovz FPXFlJCFQtFOV0hGqUGgnjWWJT2OoMtRFaKwjx6SZk9UPs9KTjHM8ixmwOzBqZcD2W7+ LEXsl30CKw3/H3SpiEtdnmquQ/RRKbZcP/gdE7uWS0epTOdQ7JELV9xSUYN6T1Pbyxy0 QDKewP2g/POsT4mkbCQY/WbiS1EMHmcqlfA/vHd5Lsqog9TPe02y+v8G5sQGCCLO3MT8 It7L6QeKmawk2dA1XmRiyH6UmRFaBrVY4RxAU1wvlTB+MTLGbWnfzbk3Bu9NOKX0GaV/ QdAA== 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:mime-version :content-transfer-encoding; bh=2SXqUvT54kKjdOxFJnOi4gZFO6SdTpDHa17+Fn5lo0U=; b=UAwz2NZjDCAVqbjXRFmz0JlOcjwR+yn4FnejHxmHEq6Dd7GPpbsuW3CHqUO76EMRrm 9aD0EaoiyN0s1xKOQkpCH45N8j3Pb4gZI8wExEf16PiBUfcPFr4ccyVzG4rgHF3/6/b5 dWzJ15CGgyAO6euB+jmHDAMfd5JJjOEAXAnSeOcebvRs9yjCOz9VJOo4/Gv5953TG5C1 0qDSAFXwbF/9Kl7Nu13qwLg59lfDr/xkTPVQPSiHQIKbiEXlpnXtt8FaeGEHtVEyYp95 ovO10t3tkMSMabonqAmzg9qKLRNvrrpnS3h+mWJG/Ff7lDcgNC8BOuICbMHgLZEq3Y3K zRUw== X-Gm-Message-State: AOAM530oYPAqTDsjUGS8+Hh5De+BjUROucZ+fepSBzPeUrDewVRHnsE1 mnHJlAmXYY4dOIw/rlVADiA= X-Google-Smtp-Source: ABdhPJxgJAuYqifanP+GwLE3YkSVhdbLIBybVwR2qHPxCThBCmFod8a/r/bdYvtI9ykk3yiCCEqfiQ== X-Received: by 2002:a05:6808:f0c:: with SMTP id m12mr10695128oiw.95.1614023958187; Mon, 22 Feb 2021 11:59:18 -0800 (PST) Received: from localhost.localdomain (162-198-41-83.lightspeed.wepbfl.sbcglobal.net. [162.198.41.83]) by smtp.gmail.com with ESMTPSA id b7sm1011190oiy.29.2021.02.22.11.59.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Feb 2021 11:59:17 -0800 (PST) From: grantseltzer To: andrii@kernel.org, daniel@iogearbox.net, kafai@fb.com, songliubraving@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org Cc: irogers@google.com, yhs@fb.com, tklauser@distanz.ch, netdev@vger.kernel.org, mrostecki@opensuse.org, ast@kernel.org, quentin@isovalent.com, bpf@vger.kernel.org, grantseltzer Subject: [PATCH v4 bpf-next] Add CONFIG_DEBUG_INFO_BTF and CONFIG_DEBUG_INFO_BTF_MODULES check to bpftool feature command Date: Mon, 22 Feb 2021 19:58:46 +0000 Message-Id: <20210222195846.155483-1-grantseltzer@gmail.com> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org This adds both the CONFIG_DEBUG_INFO_BTF and CONFIG_DEBUG_INFO_BTF_MODULES kernel compile option to output of the bpftool feature command. This is relevant for developers that want to account for data structure definition differences between kernels. Signed-off-by: Grant Seltzer --- tools/bpf/bpftool/feature.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/bpf/bpftool/feature.c b/tools/bpf/bpftool/feature.c index 359960a8f..40a88df27 100644 --- a/tools/bpf/bpftool/feature.c +++ b/tools/bpf/bpftool/feature.c @@ -336,6 +336,10 @@ static void probe_kernel_image_config(const char *define_prefix) { "CONFIG_BPF_JIT", }, /* Avoid compiling eBPF interpreter (use JIT only) */ { "CONFIG_BPF_JIT_ALWAYS_ON", }, + /* Kernel BTF debug information available */ + { "CONFIG_DEBUG_INFO_BTF", }, + /* Kernel module BTF debug information available */ + { "CONFIG_DEBUG_INFO_BTF_MODULES", }, /* cgroups */ { "CONFIG_CGROUPS", }, -- 2.29.2