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 F14EA356767 for ; Mon, 29 Jun 2026 14:38:51 +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=1782743932; cv=none; b=GHcQTO9C8EjlTaZgrnGWLx90LNboP6UFcdZYIommfGKSoX95SQA6Sb0OO856V9H/MHkGLLzWcrY1MwqHqhP1qR47pOP/JBed80LQv9Sye79rNDCY3KCuz4Q7FpUR937nAJmyJeCn0/4IeVF/UqgfZOJoVpm4GMNBcRAdPMTrxV8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782743932; c=relaxed/simple; bh=HyK6/2Fq0N4GlAzH7LfDGAi5PN1+aH3MycftfCgUUck=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=cr/xKIST4rdT6+H/YtCoRiBPblvXPQ2W/19J9Hk/D/PdjL0zwKIKv6coZ0+26qfo6RjOkrpHflmTzvGI8F/aJDsSOSL93gdkYuWPz4MeSuqr1WivrjyKpC43I8JVOSqhe9rien7hqp55NH1AJPcT3dLVhB+S3RhTVCszIuA99cc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PysI31+g; 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="PysI31+g" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1E1361F000E9; Mon, 29 Jun 2026 14:38:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782743931; bh=OEFxQ3TjzgLLP+xAavU/6S5tek39pLJ98IoxA9i3enY=; h=From:To:Cc:Subject:Date; b=PysI31+g22kDLArxflC3FbLHHsMnbRydpnBKk5Jyx074zWlElGHBZcoHIjaxUPgRq ai6fhtZHAcO8PyRMn1p/AXurXr8zFzzT5NC2ngj9nl0JTkyYJToQ9vfUHeWqQ8E240 P7gXFZoyyg+vaK7o41i7D95oNm3fBfaRLXzSNXJrY57Tp82S/zp+Hst2VMqIVS2qnY fedTO5LBx1JfgqWGSnIDGeZj3hSa1xcEKO1nRSxKC8ew6M2gaFIbeuV1bnzHA8eJKh xbL0RKz0FT+z6sm8i0fbRGi+ySKJH9YL2sPLeKs8MHUP2tQJ/UH8RTXy+LqFlaFPxq LgEqpop3BBhDw== From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: bpf@vger.kernel.org, Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , Quentin Monnet Subject: [PATCHv3 bpf-next 0/3] bpf: tracing_multi link info support Date: Mon, 29 Jun 2026 16:38:41 +0200 Message-ID: <20260629143844.862369-1-jolsa@kernel.org> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit hi, adding link info support for tracing_multi link. Adding the kernel support with related selftests and bpftool support to display the tracing_multi link info, the output looks like: # bpftool link ... 61: tracing_multi prog 167 attach_type trace_fentry_multi btf_obj_id 1 count 3 btf_id addr cookie func [module] 92598 ffffffff825017c4 10 bpf_fentry_test1 92600 ffffffff82503814 30 bpf_fentry_test2 92601 ffffffff82503824 20 bpf_fentry_test3 pids test_progs(1540) thanks, jirka v1: https://lore.kernel.org/bpf/20260621204524.61067-1-jolsa@kernel.org/ v2: https://lore.kernel.org/bpf/20260623142417.275892-1-jolsa@kernel.org/ v3 changes: - added acks [Andrii, Leon] - display cookies as decimal numbers [Andrii] - renamed obj_id to btf_obj_id [Andrii] - several fixes in bpftool change [Andrii] --- Jiri Olsa (3): bpf: Add tracing_multi link info support selftests/bpf: Add tracing_multi link info tests bpftool: Add tracing_multi link info output include/uapi/linux/bpf.h | 9 +++ kernel/trace/bpf_trace.c | 55 +++++++++++++++++ tools/bpf/bpftool/link.c | 133 ++++++++++++++++++++++++++++++++++++++++ tools/include/uapi/linux/bpf.h | 9 +++ tools/testing/selftests/bpf/prog_tests/fill_link_info.c | 242 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ tools/testing/selftests/bpf/progs/test_fill_link_info.c | 6 ++ 6 files changed, 454 insertions(+)