linux-kernel - Re: [PATCH bpf-next v9 0/5] bpf: rstat: cgroup hierarchical stats

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Message-Id: <166145281660.28094.16612223815048062311.git-patchwork-notify@kernel.org>
Date:   Thu, 25 Aug 2022 18:40:16 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Hao Luo <haoluo@...gle.com>
Cc:     linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
        cgroups@...r.kernel.org, netdev@...r.kernel.org, ast@...nel.org,
        andrii@...nel.org, daniel@...earbox.net, martin.lau@...ux.dev,
        song@...nel.org, yhs@...com, tj@...nel.org,
        lizefan.x@...edance.com, kpsingh@...nel.org, hannes@...xchg.org,
        mhocko@...nel.org, john.fastabend@...il.com, jolsa@...nel.org,
        mkoutny@...e.com, roman.gushchin@...ux.dev, rientjes@...gle.com,
        sdf@...gle.com, shakeelb@...gle.com, yosryahmed@...gle.com
Subject: Re: [PATCH bpf-next v9 0/5] bpf: rstat: cgroup hierarchical stats

Hello:

This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@...nel.org>:

On Tue, 23 Aug 2022 20:00:26 -0700 you wrote:
> This patch series allows for using bpf to collect hierarchical cgroup
> stats efficiently by integrating with the rstat framework. The rstat
> framework provides an efficient way to collect cgroup stats percpu and
> propagate them through the cgroup hierarchy.
> 
> The stats are exposed to userspace in textual form by reading files in
> bpffs, similar to cgroupfs stats by using a cgroup_iter program.
> cgroup_iter is a type of bpf_iter. It walks over cgroups in four modes:
> - walking a cgroup's descendants in pre-order.
> - walking a cgroup's descendants in post-order.
> - walking a cgroup's ancestors.
> - process only a single object.
> 
> [...]

Here is the summary with links:
  - [bpf-next,v9,1/5] bpf: Introduce cgroup iter
    https://git.kernel.org/bpf/bpf-next/c/d4ccaf58a847
  - [bpf-next,v9,2/5] selftests/bpf: Test cgroup_iter.
    https://git.kernel.org/bpf/bpf-next/c/fe0dd9d4b740
  - [bpf-next,v9,3/5] cgroup: bpf: enable bpf programs to integrate with rstat
    https://git.kernel.org/bpf/bpf-next/c/a319185be9f5
  - [bpf-next,v9,4/5] selftests/bpf: extend cgroup helpers
    https://git.kernel.org/bpf/bpf-next/c/434992bb6037
  - [bpf-next,v9,5/5] selftests/bpf: add a selftest for cgroup hierarchical stats collection
    (no matching commit)

You are awesome, thank you!
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