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 424D33C9ED6; Fri, 17 Apr 2026 19:28:27 +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=1776454108; cv=none; b=ukQd4TdIuU7ekZ9RnnFFn2vs8884BxhcNtPdQR/bz3IF6xI+eMm0ajGtfjTT9y37ddspm/q71RvEf8853M3XF4yIUAKfC5Jta5mPYVL1g65fhK6rPCTQ/NjZYeZ70NWZaM86BpQ0nOePtNP9zbobSEaaPoy2TtYbN0Fmp51LCTM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776454108; c=relaxed/simple; bh=G2oEZMNahjZVDxpLMAFhcuvHjsJn76nkuktreEeokDk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jABlAfKij5T589apvlDAUslkzmiJEckCXGcZ3gnEAtd7a2Lu5NhXEIHGoO2cY4Qo7cqMxmWVh77com0QeHFsmhk3VR8fk5yx2nNLI/lrBAiaU4SLNnuwMjmuXKpuIDy3OCGVZHKUL1stRtFhsLwno9H5QIErP/1U3N8667g13fg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=slj3FDUi; 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="slj3FDUi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0BD8EC2BCB3; Fri, 17 Apr 2026 19:28:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776454107; bh=G2oEZMNahjZVDxpLMAFhcuvHjsJn76nkuktreEeokDk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=slj3FDUieYeeRnEP/LCMW84Qp6FWRPcUKQzPsY/nJzZ4StP8QDJnFNGQEZ6mwA87+ qs7b+2GJOit3ozlWCf3ZEvoQevGqYsADe8Vou72+7Hth3FmJVCHxGt2m+KgN6cJIcb lIT8nxLMg/7x0L5iN/ErJJnh1H258pFDQImVkXr5z1hC1iHy+OGaVRrlzK2ZTTNkH1 EppzDGnds3VABaSSbONUjXgWThHMQH658GA2N8uWX4mx81a7ThyHzTYy0VYkrZFZoi DI8HPMXo07CcSxUtMB2/tLQ1D3xbLdQ4BaDncktXgjNMagx3mJqhgaHUQNnn2PDw/l 2viq3IRSOqNkw== 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: [PATCHv5 bpf-next 18/28] libbpf: Add bpf_link_create support for tracing_multi link Date: Fri, 17 Apr 2026 21:24:52 +0200 Message-ID: <20260417192502.194548-19-jolsa@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260417192502.194548-1-jolsa@kernel.org> References: <20260417192502.194548-1-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