Re: [PATCH bpf-next v7 0/8] bpf: rstat: cgroup hierarchical stats

patchwork-bot+netdevbpf
2022-08-09T16:20:21Z

Hello:

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

On Fri, 5 Aug 2022 14:48:13 -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,v7,1/8] btf: Add a new kfunc flag which allows to mark a function to be sleepable
https://git.kernel.org/bpf/bpf-next/c/fa96b24204af
- [bpf-next,v7,2/8] cgroup: enable cgroup_get_from_file() on cgroup1
https://git.kernel.org/bpf/bpf-next/c/f3a2aebdd6fb
- [bpf-next,v7,3/8] bpf, iter: Fix the condition on p when calling stop.
https://git.kernel.org/bpf/bpf-next/c/be3bb83dab2d
- [bpf-next,v7,4/8] bpf: Introduce cgroup iter
(no matching commit)
- [bpf-next,v7,5/8] selftests/bpf: Test cgroup_iter.
(no matching commit)
- [bpf-next,v7,6/8] cgroup: bpf: enable bpf programs to integrate with rstat
(no matching commit)
- [bpf-next,v7,7/8] selftests/bpf: extend cgroup helpers
(no matching commit)
- [bpf-next,v7,8/8] selftests/bpf: add a selftest for cgroup hierarchical stats collection
(no matching commit)

You are awesome, thank you!
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