From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8F2D3361658; Tue, 24 Mar 2026 08:21:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774340491; cv=none; b=fVWfc0FtHoGsy8EyT7pnVIYrdTL1pL1gCL+hmi1fcGae4ubJW0OIBElUmO9UTI3FTl6aHeXJilEzD3Rlh94MNyKmwzfekLqCIJ2g0aUuCl6FO9YCctKtkO3hRCXZrGqqJyw+BHUAAabFrQ0YENkdPJO5TSnT5vV+ZR+QFsq44vk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774340491; c=relaxed/simple; bh=G2oEZMNahjZVDxpLMAFhcuvHjsJn76nkuktreEeokDk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=G2/8adFjJIPiaWerCKZOT6L0mgDC6ETWdqh5Zp64W3leptJYRhNL2RRMBF3I7NS0nJnM3bF+PD3erw1M/tn/revU0gpi0A8VOyPmNkaHS64Vgc4tVMuxA7Ulb5jJ5R8LzxD/zsuQNZf2Q0hmk2n1Cb2Fm0zBEcvxiLk66SUyr1g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jf5kdk9i; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jf5kdk9i" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 15106C19424; Tue, 24 Mar 2026 08:21:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774340490; bh=G2oEZMNahjZVDxpLMAFhcuvHjsJn76nkuktreEeokDk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jf5kdk9iFgpz2QV3kTjtYxCd3S2ljQHpdLLngzrFJRu8iY/rM7Hgx99I9wGmVwSS7 6lIEQbTOLTS+DZlRD9O0wAbyAaQRjBXrADZQWxeGoCpPRyTQZJ7ZXiwWrlvqu0EIUX ZdldQsG5zuOdIKESUYBTQUY89rD6mAmL3MJETW0w8ulRUj0P0Y3fW6+i0y+wjsXsXM bOArqDasjVqISvVsk4fc81pIUX/A4ZI0nPEgXz7C9ZrbvuGms8zM4v0ld3tyzqqPrs lkAyYRzXbP7uRDv9EaamQHIgCQtLAi8BP9q89il4U52rr4cvLOxqpNv1Bko4aIXQ7M odohNv88dHitw== From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , Menglong Dong , Steven Rostedt Subject: [PATCHv4 bpf-next 15/25] libbpf: Add bpf_link_create support for tracing_multi link Date: Tue, 24 Mar 2026 09:18:36 +0100 Message-ID: <20260324081846.2334094-16-jolsa@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260324081846.2334094-1-jolsa@kernel.org> References: <20260324081846.2334094-1-jolsa@kernel.org> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Adding bpf_link_create support for tracing_multi link with new tracing_multi record in struct bpf_link_create_opts. Signed-off-by: Jiri Olsa --- tools/lib/bpf/bpf.c | 9 +++++++++ tools/lib/bpf/bpf.h | 5 +++++ 2 files changed, 14 insertions(+) diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 5846de364209..ad4c94b6758d 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -790,6 +790,15 @@ int bpf_link_create(int prog_fd, int target_fd, if (!OPTS_ZEROED(opts, uprobe_multi)) return libbpf_err(-EINVAL); break; + case BPF_TRACE_FENTRY_MULTI: + case BPF_TRACE_FEXIT_MULTI: + case BPF_TRACE_FSESSION_MULTI: + attr.link_create.tracing_multi.ids = ptr_to_u64(OPTS_GET(opts, tracing_multi.ids, 0)); + attr.link_create.tracing_multi.cookies = ptr_to_u64(OPTS_GET(opts, tracing_multi.cookies, 0)); + attr.link_create.tracing_multi.cnt = OPTS_GET(opts, tracing_multi.cnt, 0); + if (!OPTS_ZEROED(opts, tracing_multi)) + return libbpf_err(-EINVAL); + break; case BPF_TRACE_RAW_TP: case BPF_TRACE_FENTRY: case BPF_TRACE_FEXIT: diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 2c8e88ddb674..bc3b7bc5275e 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -454,6 +454,11 @@ struct bpf_link_create_opts { __u32 relative_id; __u64 expected_revision; } cgroup; + struct { + const __u32 *ids; + const __u64 *cookies; + __u32 cnt; + } tracing_multi; }; size_t :0; }; -- 2.53.0