Re: [PATCH v2] perf stat: Support old kernels for bperf cgroup counting

Tejun Heo
2022-10-11T16:53:43Z

On Mon, Oct 10, 2022 at 10:28:08PM -0700, Namhyung Kim wrote:
> The recent change in the cgroup will break the backward compatiblity in
> the BPF program. It should support both old and new kernels using BPF
> CO-RE technique.
>
> Like the task_struct->__state handling in the offcpu analysis, we can
> check the field name in the cgroup struct.
>
> Acked-by: Jiri Olsa <jolsa@kernel.org>
> Acked-by: Andrii Nakryiko <andrii@kernel.org>
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>

Applied to cgroup/for-6.1-fixes.

Thanks.

--
tejun