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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e4-20020a056a00162400b0058dbb06c94dsi12762591pfc.291.2023.02.20.00.59.43; Mon, 20 Feb 2023 00:59:55 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b="h/BKAeyt"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231299AbjBTIs5 (ORCPT + 99 others); Mon, 20 Feb 2023 03:48:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231294AbjBTIs0 (ORCPT ); Mon, 20 Feb 2023 03:48:26 -0500 Received: from mail-pj1-x1041.google.com (mail-pj1-x1041.google.com [IPv6:2607:f8b0:4864:20::1041]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C573893C2; Mon, 20 Feb 2023 00:48:24 -0800 (PST) Received: by mail-pj1-x1041.google.com with SMTP id cp9so1723115pjb.0; Mon, 20 Feb 2023 00:48:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=uYnkhQbWM4LZJsmgLPfHe7W3LYiU/dDbk2eSvNPNzZM=; b=h/BKAeytoo1Q2M46VZnM7+Cmzg6aaDbjJQNiFBlK7TE5qnMYP4Mt6oVh/rahd8Ypng H/gjxNc1XMPKh3P1BzquJJAjctmuC2eeykOvwmkAo5nK5XN8WJc1CepKxs5AePa6Ugpt 7eW05dt8MhPxTZhvjOQVYXA6oqVXjfCrbVdF8PHsIXCFfGCGRAOcHXLcdW86zzOHahUL gFiDqdVUfMO3ybOzyKRgBBsTqNkaJf9D2++jn7gvOYzo06G7Brbrf3PkoWlkfDN+K1Qu p6g7GRRc18Pp6SpsomasmRYIwAK5F1EymBGExRNRUOD13nGT1QOTb4+2KPqcINlGIlF+ 76hg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=uYnkhQbWM4LZJsmgLPfHe7W3LYiU/dDbk2eSvNPNzZM=; b=S13nOKllKplDVBhzRURZHvFMaCaxWoQ7TqMIzCyG3QwmPP0QBXfw9LIzRNx5EtUfaG 0o6h6QXOlVePzf7V9/EBpO7W3cLRbO/qAIwVUEV4hUEejiOU5PegSrjq2urvLb2KvPq/ DZzicaTccSOurQ2y+bEnZZTslqofADyoRTLCi1AgaT6BMxYQ8WcCi1ZzLiMNWA6Um41k oMBZAnHdXisItpkO5D7UE/Q9EMUjGsykxeg29fSF09NIjuvOhg3MCAGK9htwl/73mzYV N3aoh2R6doaFkf1qjhJ4Qrdxrn1E1hZrZPa1oZhVWKWZkHjmCW2Or4qQ9hIlNn2/mWul Ufyg== X-Gm-Message-State: AO0yUKVOIh2CsJFHYRLrWnnLOIgsU6fkqsl5a1JdYQ7Oz6dvAtxjdJlQ XL0Z1IkUQCVobX/p5UOj748= X-Received: by 2002:a05:6a21:999a:b0:bc:bdb1:165a with SMTP id ve26-20020a056a21999a00b000bcbdb1165amr8356926pzb.39.1676882904163; Mon, 20 Feb 2023 00:48:24 -0800 (PST) Received: from localhost.localdomain ([203.205.141.21]) by smtp.gmail.com with ESMTPSA id n11-20020a62e50b000000b00586fbbdf6e4sm7136378pff.34.2023.02.20.00.48.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Feb 2023 00:48:23 -0800 (PST) From: menglong8.dong@gmail.com X-Google-Original-From: imagedong@tencent.com To: andrii.nakryiko@gmail.com, alan.maguire@oracle.com Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, song@kernel.org, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, jolsa@kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, Menglong Dong Subject: [PATCH bpf-next v2 0/3] libbpf: allow users to set kprobe/uprobe attach mode Date: Mon, 20 Feb 2023 16:47:08 +0800 Message-Id: <20230220084711.261642-1-imagedong@tencent.com> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1758339893092925667?= X-GMAIL-MSGID: =?utf-8?q?1758339893092925667?= From: Menglong Dong By default, libbpf will attach the kprobe/uprobe eBPF program in the latest mode that supported by kernel. In this series, we add the support to let users manually attach kprobe/uprobe in legacy/perf/link mode in the 1th patch. And in the 2th patch, we split the testing 'attach_probe' into multi subtests, as Andrii suggested. In the 3th patch, we add the testings for loading kprobe/uprobe in different mode. Changes since v1: - some small changes in the 1th patch, as Andrii suggested - split 'attach_probe' into multi subtests Menglong Dong (3): libbpf: add support to set kprobe/uprobe attach mode selftests/bpf: split test_attach_probe into multi subtests selftests/bpf: add test for legacy/perf kprobe/uprobe attach mode tools/lib/bpf/libbpf.c | 42 ++- tools/lib/bpf/libbpf.h | 31 +- .../selftests/bpf/prog_tests/attach_probe.c | 283 ++++++++++++------ .../bpf/progs/test_attach_kprobe_sleepable.c | 23 ++ .../selftests/bpf/progs/test_attach_probe.c | 45 +-- .../bpf/progs/test_attach_probe_manual.c | 53 ++++ 6 files changed, 337 insertions(+), 140 deletions(-) create mode 100644 tools/testing/selftests/bpf/progs/test_attach_kprobe_sleepable.c create mode 100644 tools/testing/selftests/bpf/progs/test_attach_probe_manual.c