From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: Andrii Nakryiko <andriin@fb.com>
Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, ast@fb.com,
daniel@iogearbox.net, andrii.nakryiko@gmail.com,
kernel-team@fb.com
Subject: Re: [PATCH v3 bpf-next 00/10] bpf_link observability APIs
Date: Tue, 28 Apr 2020 17:33:24 -0700 [thread overview]
Message-ID: <20200429003324.afboiyqnxjxry6pg@ast-mbp.dhcp.thefacebook.com> (raw)
In-Reply-To: <20200429001614.1544-1-andriin@fb.com>
On Tue, Apr 28, 2020 at 05:16:04PM -0700, Andrii Nakryiko wrote:
> This patch series adds various observability APIs to bpf_link:
> - each bpf_link now gets ID, similar to bpf_map and bpf_prog, by which
> user-space can iterate over all existing bpf_links and create limited FD
> from ID;
> - allows to get extra object information with bpf_link general and
> type-specific information;
> - implements `bpf link show` command which lists all active bpf_links in the
> system;
> - implements `bpf link pin` allowing to pin bpf_link by ID or from other
> pinned path.
>
> v2->v3:
> - improve spin locking around bpf_link ID (Alexei);
> - simplify bpf_link_info handling and fix compilation error on sh arch;
> v1->v2:
> - simplified `bpftool link show` implementation (Quentin);
> - fixed formatting of bpftool-link.rst (Quentin);
> - fixed attach type printing logic (Quentin);
> rfc->v1:
> - dropped read-only bpf_links (Alexei);
> - fixed bug in bpf_link_cleanup() not removing ID;
> - fixed bpftool link pinning search logic;
> - added bash-completion and man page.
Applied, Thanks
prev parent reply other threads:[~2020-04-29 0:33 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-29 0:16 [PATCH v3 bpf-next 00/10] bpf_link observability APIs Andrii Nakryiko
2020-04-29 0:16 ` [PATCH v3 bpf-next 01/10] bpf: refactor bpf_link update handling Andrii Nakryiko
2020-04-29 0:16 ` [PATCH v3 bpf-next 02/10] bpf: allocate ID for bpf_link Andrii Nakryiko
2020-04-29 0:16 ` [PATCH v3 bpf-next 03/10] bpf: support GET_FD_BY_ID and GET_NEXT_ID " Andrii Nakryiko
2020-04-29 0:16 ` [PATCH v3 bpf-next 04/10] bpf: add support for BPF_OBJ_GET_INFO_BY_FD " Andrii Nakryiko
2020-04-29 0:16 ` [PATCH v3 bpf-next 05/10] libbpf: add low-level APIs for new bpf_link commands Andrii Nakryiko
2020-04-29 0:16 ` [PATCH v3 bpf-next 06/10] selftests/bpf: test bpf_link's get_next_id, get_fd_by_id, and get_obj_info Andrii Nakryiko
2020-04-29 0:16 ` [PATCH v3 bpf-next 07/10] bpftool: expose attach_type-to-string array to non-cgroup code Andrii Nakryiko
2020-04-29 0:16 ` [PATCH v3 bpf-next 08/10] bpftool: add bpf_link show and pin support Andrii Nakryiko
2020-04-29 0:16 ` [PATCH v3 bpf-next 09/10] bpftool: add bpftool-link manpage Andrii Nakryiko
2020-04-29 0:16 ` [PATCH v3 bpf-next 10/10] bpftool: add link bash completions Andrii Nakryiko
2020-04-29 0:33 ` Alexei Starovoitov [this message]
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