Received: by 2002:a05:6a10:2785:0:0:0:0 with SMTP id ia5csp2470373pxb; Mon, 11 Jan 2021 10:23:18 -0800 (PST) X-Google-Smtp-Source: ABdhPJye4r3UQBrFUq6hw4FMuvHr+WafVltcngFlpw96Op03iqva/DTau6h0NHUzG+GUG0cyJH0T X-Received: by 2002:a17:906:9386:: with SMTP id l6mr493640ejx.425.1610389398305; Mon, 11 Jan 2021 10:23:18 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1610389398; cv=none; d=google.com; s=arc-20160816; b=eMbK8s5WQYdI8dMimNZbNHUJDiYZs2TibiN0xsAGp2guE0k9Wkvq+Gq6PITdjS0eqe H9yUOfZt6wtYGF4W6XhHSe7rE3KIVouZMc4jOrxbNo7u3D//oWAQ5zF/wFu+nJb7lSMy n8QZy74AOhT1bsBJE50ZZTZk1hzSMRKvPEh+KskaRfZSOuaDfRkMsKZg6iSrmWZkIt5g 3nkOzsiqVNQc9KmT9GLtcweFS4ofDYK0NojejrGgqLm21+sZUxPEVtaJijzrPaCpZI7y fSutw7KyIu7XLfh2khAP5tgG9XuVcODB2QteQ37mawYqcCyLcnCvSQEMDMxozhnkZTIX rpnw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=SFIfFqRH81leOCwEHWYJ8ktzOAeYmZDP8E9uvp7PDqE=; b=dt7A3o4xjD3kpeeDQJ3IyzsQutgd2cM7Fz04/a/ihvZ3NahjOlineGT3a82Y+CP1Ai ZAv5iHcGjiROGxgdW4P9gw2b45XAu9DPwl88/hY8uVrQl+gOYxaA1qnEf9zsMjH8S4Q3 9S62yAxPh5WSnQp7tpEhVLDxfIWpB3fFpsI1+7i0xNLLXhf+9Djzvn1MvedSj/LoQMMT 8uckOISmDGFkfOR3onAqnVOjcwJZVAWeuIuvjRfwgA0rSitcTZZ4pjydv3RqqA4Blqxb NUmJwO/WDNdoZsdmqzH86UwI/fZ/1hcmMs0i20Tb7ZG9ojRqG25pP+i2nWn3RcJdf58I xeYg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id u22si201184edx.500.2021.01.11.10.22.54; Mon, 11 Jan 2021 10:23:18 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390306AbhAKSVc (ORCPT + 99 others); Mon, 11 Jan 2021 13:21:32 -0500 Received: from foss.arm.com ([217.140.110.172]:34214 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728056AbhAKSVc (ORCPT ); Mon, 11 Jan 2021 13:21:32 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8FBC3101E; Mon, 11 Jan 2021 10:20:45 -0800 (PST) Received: from e107158-lin.cambridge.arm.com (unknown [10.1.194.78]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 57E663F70D; Mon, 11 Jan 2021 10:20:44 -0800 (PST) From: Qais Yousef To: netdev@vger.kernel.org, bpf@vger.kernel.org Cc: Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , Steven Rostedt , "Peter Zijlstra (Intel)" , linux-kernel@vger.kernel.org, Qais Yousef Subject: [PATCH bpf-next 0/2] Allow attaching to bare tracepoints Date: Mon, 11 Jan 2021 18:20:25 +0000 Message-Id: <20210111182027.1448538-1-qais.yousef@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add some missing glue logic to teach bpf about bare tracepoints - tracepoints without any trace event associated with them. Bare tracepoints are declare with DECLARE_TRACE(). Full tracepoints are declare with TRACE_EVENT(). BPF can attach to these tracepoints as RAW_TRACEPOINT() only as there's no events in tracefs created with them. Qais Yousef (2): trace: bpf: Allow bpf to attach to bare tracepoints selftests: bpf: Add a new test for bare tracepoints Documentation/bpf/bpf_design_QA.rst | 6 ++++++ include/trace/bpf_probe.h | 12 ++++++++++-- .../selftests/bpf/bpf_testmod/bpf_testmod-events.h | 6 ++++++ .../testing/selftests/bpf/bpf_testmod/bpf_testmod.c | 2 ++ .../testing/selftests/bpf/prog_tests/module_attach.c | 1 + .../testing/selftests/bpf/progs/test_module_attach.c | 10 ++++++++++ 6 files changed, 35 insertions(+), 2 deletions(-) -- 2.25.1