Re: [PATCH 00/20] rcu/context-tracking: Merge RCU eqs-dynticks counter to context tracking v5

Xiongfeng Wang
2022-10-12T01:08:27Z

Hi, Frederic

On 2022/10/12 3:12, Frederic Weisbecker wrote:
> On Tue, Oct 11, 2022 at 07:37:48PM +0800, Xiongfeng Wang wrote:
>> Hi, Frederic
>>
>> Thanks for push RCU dynticks counters to upstream. It is very useful. After it
>> is done, do we have plan to revive the sys-idle feature and use it to shutdown
>> the tick on the last housekeeping when the whole system is idle. I'm very glad
>> to help test it if you have some demo patches on your personal repo.
>
> There is no plan yet but some other people seem to be interested. Would you
> like to try to revive it yourself? Otherwise I may do it someday but I

Thanks for your reply ! I would like to give it a try. But I'm not sure if I can
make it because I'm not so familiar with the RCU subsystem.

Thanks,
Xiongfeng

> have quite some work to complete first (ie: making CPU isolation tunable through
> cpusets).
>
> Thanks.
> .
>