netdev - Re: [PATCH v3 bpf-next 0/4] bpf: per program stats

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Date:   Mon, 25 Feb 2019 16:41:34 -0800
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Alexei Starovoitov <ast@...nel.org>
Cc:     davem@...emloft.net, Daniel Borkmann <daniel@...earbox.net>,
        edumazet@...gle.com, netdev@...r.kernel.org, bpf@...r.kernel.org,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH v3 bpf-next 0/4] bpf: per program stats

On Mon, Feb 25, 2019 at 2:29 PM Alexei Starovoitov <ast@...nel.org> wrote:
>
> Introduce per program stats to monitor the usage BPF
>
> v2->v3:
> - rename to run_time_ns/run_cnt everywhere
>
> v1->v2:
> - fixed u64 stats on 32-bit archs. Thanks Eric
> - use more verbose run_time_ns in json output as suggested by Andrii
> - refactored prog_alloc and clarified behavior of stats in subprogs
>
> Alexei Starovoitov (4):
>   bpf: enable program stats
>   bpf: expose program stats via bpf_prog_info
>   tools/bpf: sync bpf.h into tools
>   tools/bpftool: recognize bpf_prog_info run_time_ns and run_cnt

Lgtm, thanks!

Acked-by: Andrii Nakryiko <andriin@...com>

>
>  include/linux/bpf.h                           |  9 +++++
>  include/linux/filter.h                        | 20 +++++++++-
>  include/uapi/linux/bpf.h                      |  2 +
>  kernel/bpf/core.c                             | 31 ++++++++++++++-
>  kernel/bpf/syscall.c                          | 39 ++++++++++++++++++-
>  kernel/bpf/verifier.c                         |  7 +++-
>  kernel/sysctl.c                               | 34 ++++++++++++++++
>  .../bpftool/Documentation/bpftool-prog.rst    |  4 +-
>  tools/bpf/bpftool/prog.c                      |  7 ++++
>  tools/include/uapi/linux/bpf.h                |  2 +
>  10 files changed, 148 insertions(+), 7 deletions(-)
>
> --
> 2.20.0
>