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 7C9D63FD121; Wed, 27 May 2026 11:43:10 +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=1779882193; cv=none; b=oeiI3Q+hEEit5wkWHw6NgwD8TkuEwQCRFg77l9qdB73qj4KFGn6Vge13GXTOX/vnu6otWyHxKzmDovweXBswvGUmjIoC0QSU7mZ6MazKZYUM+ir/A5MhMwo8C4S9JI2C1MOJRwb+zywPmVlOwgLahiZ5n9ZO8MvKAapGvxNv/EQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779882193; c=relaxed/simple; bh=CQOLkY64hGarxRXb8R4iBbGH01lJOS5nErYFpL8e0C8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mGukM2Z/IB3MQu/pDt1AGwmGCAdsKdBUNWV/UbNpmX8usvEq9TT273Yc+TssoNJQ2kVHPWDuptLKEclkthN4fvlM7wpsmBbipH4MCJu+hNplR8NmkjhyY2Po6jOvVKllVKMHR4qxe0aRL51iO4IaQ4GPu7xd6jKFaJ0NvKA2Awc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WaZEqBQF; 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="WaZEqBQF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3ED1F1F000E9; Wed, 27 May 2026 11:43:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779882190; bh=6JOc6buNdpoPflTfBlkgqREXqcnGjJ2I3Sbk5gfhDuo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=WaZEqBQFfmFDFcLVuYxkuMgjIHP12WCTgJdRKayesE2ffWh5Tk8+majKsYvXeDcQ5 7kmjkLqQNKk9wrxz2vdo4sc/FFdooStMr2zwD1Z03knJicUOM+UbDGozMj7KkNEUbz 1DfoAty51x0WzmpjyDqQ3vydRfh71+O6erhENl/gXf79jUPMlhv6klWX4y0Gmc81EH kwBcFrS4OxrhtR1aYkkkTvyg5euh0P1CxRC2EcRT6Ev3GWrvzSlw7gLS5JGCPO7zLc izQP1tWT/8zUmyCWIdegy+jeMcEWbXEH2suSELYrBO0ZGHgCFNdPZe4da5hKnEyZgD Vr9vHMKekRONw== 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: [PATCHv6 bpf-next 18/29] libbpf: Add bpf_link_create support for tracing_multi link Date: Wed, 27 May 2026 13:39:40 +0200 Message-ID: <20260527113951.46265-19-jolsa@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260527113951.46265-1-jolsa@kernel.org> References: <20260527113951.46265-1-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 3cd705802330..ff342972ca4a 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -843,6 +843,15 @@ 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