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 7B8081C2BB for ; Mon, 20 Nov 2023 14:56:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nqginl3L" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D2F1BC433C8; Mon, 20 Nov 2023 14:56:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700492205; bh=Nh36ocvg8GauaMIy7YUgadLrZbmioc9ZXetNDodAXZE=; h=From:To:Cc:Subject:Date:From; b=nqginl3LrTnnGSrjN2J+6srY7RV5XVMpeiniBIDg+8rJGa2tZeUKWyxny8nN8cmm+ Xf8b4eEIM3PdJxN59KpyXzASGI5rKsiZQ9z7xzEEkCmr6pz5YftV1sCW4/7U7BSBOI B3Gw1azXvJujgFxys8G1pC0x7LDoQNCnGhnMmiWZtJa6GxJ2NCPnIUMCNzMxZvC9w9 ovd2YBrs4DvPRX+Y9eefDxEHmGCMY9iYQ4DG7BaBsCgt7vey8YfcBaKYlfejCWhbB1 fhK91w6vKuWxfXOpNMEq1fJn+RfohqetVOEMja59n1R1kzj5ccALTRFZL7kWPZL6Ld f1xTAswOXhn/w== From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: bpf@vger.kernel.org, Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Yafang Shao Subject: [PATCHv3 bpf-next 0/6] bpf: Add link_info support for uprobe multi link Date: Mon, 20 Nov 2023 15:56:33 +0100 Message-ID: <20231120145639.3179656-1-jolsa@kernel.org> X-Mailer: git-send-email 2.42.0 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit hi, this patchset adds support to get bpf_link_info details for uprobe_multi links and adding support for bpftool link to display them. v3 changes: - allow to return offset/ref_ctr_offset/cookies independently and changed the test accordingly [Andrii] - use path_size also as out argument [Andrii] thanks, jirka --- Jiri Olsa (6): libbpf: Add st_type argument to elf_resolve_syms_offsets function bpf: Store ref_ctr_offsets values in bpf_uprobe array bpf: Add link_info support for uprobe multi link selftests/bpf: Use bpf_link__destroy in fill_link_info tests selftests/bpf: Add link_info test for uprobe_multi link bpftool: Add support to display uprobe_multi links include/uapi/linux/bpf.h | 10 ++++ kernel/trace/bpf_trace.c | 86 +++++++++++++++++++++++++++++----- tools/bpf/bpftool/link.c | 105 ++++++++++++++++++++++++++++++++++++++++- tools/include/uapi/linux/bpf.h | 10 ++++ tools/lib/bpf/elf.c | 5 +- tools/lib/bpf/libbpf.c | 2 +- tools/lib/bpf/libbpf_internal.h | 3 +- tools/testing/selftests/bpf/prog_tests/fill_link_info.c | 235 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------- tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c | 2 +- tools/testing/selftests/bpf/progs/test_fill_link_info.c | 6 +++ 10 files changed, 425 insertions(+), 39 deletions(-)