From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 9BBD34C81; Sat, 6 Jun 2026 12:43:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780749783; cv=none; b=KhUNWomeFEj7vi8tIyXF4VTrQtxXIW0b0KHobOPKGtfcDO3g6F8Yk5S9wCMtaWzX72sNY+Haz1E7cQMNJmTXM25z1wdoEvs8m2OQnOipc4+7V7EfQga3OHYbkqMHb+nnklM9cfu7j2y7pZhdMFyGQbI6vo5fQo82f6+mNan6Pgw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780749783; c=relaxed/simple; bh=B11OWrW7zG00QGD73BHH1f8OjLq1cX9eM+8WsVk86WI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OaDqnujOp3dHCbIc+cXWO94sC+tHsnxhcwqarTw/qnSZrlsusVmMTyWbkfdvXrtufzWFwZihgjcu7CQlG0w5VNwggSIfGqYDz5juY060N6D8YzMUy1MCXnVj3upRqjt51fGPz8QzHx/d8Q77xf3fotz6QT7/AuENoI2OxEHs0Ug= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=P9bnf+HI; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="P9bnf+HI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B8A71F00898; Sat, 6 Jun 2026 12:42:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780749782; bh=h94aRBnBTR8l+tabnA5vUT9eXHT3NM5cN3p9yJmFkGY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=P9bnf+HI5cXmksp1z1Cvsbp2upEHK5prJXJkBrN6w4cLkidTEgsqo6Wu7/dKzasi+ qW2TZa6LN7ARHDMC5jzJoc+nfJjPyjM8iN0HuXQnAWx+BiggzDxHgQ3CrSp3vUjmxA EcilbKwm4wTYpRui3SA7kdhDQnkmaF4xebNUzNaV6LSA8I9UEpI4P+8IyZ9jPb5//n I2lxYMVhsEhUPMETG5qKuWbPZSInNMEAGvj/IxEmqWVgj3MzeN/PIOg0nNFx4ubNgU ipsDkF+fIVfzNcDO/umcrUnvOcZgH0WN9WKrAqkqv7pv9VLZm+JM63ILMXta1V6geV Cu/RSJAmfL3oQ== 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: [PATCHv8 bpf-next 18/29] libbpf: Add bpf_link_create support for tracing_multi link Date: Sat, 6 Jun 2026 14:39:43 +0200 Message-ID: <20260606123955.345967-19-jolsa@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260606123955.345967-1-jolsa@kernel.org> References: <20260606123955.345967-1-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 bc513aa8f404..f37e3416f61a 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -845,6 +845,15 @@ 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 2312900a3263..012354131cf6 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -469,6 +469,11 @@ 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; }; -- 2.54.0