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 6D82B39478B; Wed, 4 Mar 2026 22:24:18 +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=1772663058; cv=none; b=Ur2Edir6/EBSKjGcg8OVfGTPKCBaiYhFNXX+L+8UpxvmxtvF3FI+O8cvWRKMCOJSjDDPW9OBIraaBG9tMdGHGtVDWF/TfJWcKYwu0t7TGr4YEVTj8yWsYZZ2zXXXbl2KYgo2ektb+S4uQKwo/imhBqVakv/0UnHcPnFOrFjmlXE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772663058; c=relaxed/simple; bh=G/L+0aRKNjAspIF0dYZbWb/2XnmjWz/Vumuf0YhaMSo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Cecbw3w7TgevlyNP3odrWc1+XhXzznKA5Vzfx+Uz2WWU5CuQUdMK014en5Iz07hrci02kJ9kitRgXK99UhIbct8pPnvhDrN09KoC8p5uqZnr8TjSs3WZ3J3/3kE1Njd0wWQI05jdBSbxzmQ2dhtKmUM49f4jNHmVunOJG8v/GL0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ih6+zSOx; 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="ih6+zSOx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 52E26C2BC86; Wed, 4 Mar 2026 22:24:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772663058; bh=G/L+0aRKNjAspIF0dYZbWb/2XnmjWz/Vumuf0YhaMSo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ih6+zSOxFHAA0SdigOF3kbIhQbbcrcoP7uafMwdagzem9aCW6SHWLv4uWYi18E9Fr JdDmc5vfVHk5Y5id0IZ6QOm6DdHNHHS24lxAy9hdPVPTWiMEh0mbhL4oFKbDY8Wf3Z Hhy7jWgLKBhOZD+RYwVc5JtfABLraRvY2oOCZHLhjfkx+me5zu3TDomsqOFWnQiYXP imh83BSAOiuN9aBfR1Xul5OidTpkWuC2t0MAFJV/Do+d2Ar16gGki+NLlwebRcFBvg +se17A2tQaMg+Te/SV/UswOOXcSSHpXxiGkduJZ0Cg69FR2JOXjw2kLEsqRCDUU2UN hAuTIYRxBNFDg== 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: [PATCHv2 bpf-next 14/23] libbpf: Add bpf_link_create support for tracing_multi link Date: Wed, 4 Mar 2026 23:21:32 +0100 Message-ID: <20260304222141.497203-15-jolsa@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260304222141.497203-1-jolsa@kernel.org> References: <20260304222141.497203-1-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..6c741df4c311 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 = (__u64) OPTS_GET(opts, tracing_multi.ids, 0); + attr.link_create.tracing_multi.cookies = (__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..726a6fa585b3 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 { + __u32 *ids; + __u64 *cookies; + __u32 cnt; + } tracing_multi; }; size_t :0; }; -- 2.53.0