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 4724638D3EA; Wed, 3 Jun 2026 11:09:15 +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=1780484957; cv=none; b=cd3h9YZviyKyYGEJ/y/1f38g+akZrj3dh25q6YoXpUO/mEJo5FA+ao04fbRC3BfhN/buJLkTw10nwApMIJ6AX2PEEJxC0zC2WVb/MW0RNT6jD8rkQjC+j2p4vQo6+9P9ZF8CIydvmhX2nCbwI8fx0EyZ++xS7RTnB52YYbE1tqI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780484957; c=relaxed/simple; bh=B11OWrW7zG00QGD73BHH1f8OjLq1cX9eM+8WsVk86WI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XawlZA3IyYApqnd75N053Sa8p9jyoJ++anTD6xBGNsHwYTgM2eNm3qsp7hvQ5dz4EjbGRJ9bwlOT+2LcHc6aPoYtUW3V3ZkHkHEh/u8sbfoCqbe82DLG2lUX0rMY5bEEWoPYlpPw4D/Jqgsn/8QrDg4SKWI2gBsjwg7ush+AqLE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bJKyc5LY; 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="bJKyc5LY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8DE661F00893; Wed, 3 Jun 2026 11:09:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780484954; bh=h94aRBnBTR8l+tabnA5vUT9eXHT3NM5cN3p9yJmFkGY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=bJKyc5LYe0N2+yuFUklWfUPaCNsbk7ErAXWLShWUMTTjg2XX1hLPpnbo6C2/cHqvi 5Rbcr/TKLgP3iP/J+zfszrcmoeZ7CD34CzsbWyKGdxWWuAmN7g/Zv3pgKLJwWXgDW0 JJj0wFHBL7FtsvXEVKO5ilne4ojnqIQHsI8K5ce3ohsVtfasWx1M/6QqSd3it7svsV rZ64M1KdnB4g7EwJNuU4BIk6PJ0K/qdgkdRdELBC9XocMMqh8QCxRweK2VqKd36rzS rEWN+G9qebgR1+pnYD2KzodYXIi9MuiY0s5m/Wpi8ZoJxfGdM+FxoT/3uZ2MAdevA+ RKrXGYz69EM9A== 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: [PATCHv7 bpf-next 18/29] libbpf: Add bpf_link_create support for tracing_multi link Date: Wed, 3 Jun 2026 13:05:42 +0200 Message-ID: <20260603110554.29590-19-jolsa@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260603110554.29590-1-jolsa@kernel.org> References: <20260603110554.29590-1-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