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

[Tejun Heo]

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@xxxxxxxxxx>
> Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Applied to cgroup/for-6.1-fixes.

Thanks.

-- 
tejun