Re: [PATCH v7 0/2] sched/fair: Scan cluster before scanning LLC in wake-up path

Barry Song
2022-09-07T11:53:59Z

> From: Yicong Yang <yangyicong@hisilicon.com>

> This is the follow-up work to support cluster scheduler. Previously
> we have added cluster level in the scheduler for both ARM64[1] and
> X86[2] to support load balance between clusters to bring more memory
> bandwidth and decrease cache contention. This patchset, on the other
> hand, takes care of wake-up path by giving CPUs within the same cluster
> a try before scanning the whole LLC to benefit those tasks communicating
> with each other.

> Barry Song (2):
> sched: Add per_cpu cluster domain info and cpus_share_lowest_cache API
> sched/fair: Scan cluster before scanning LLC in wake-up path

Hi Peter,
I believe this one has been ready. It has also gotten widely reviewed and
tested on platforms w/ and w/o clusters.
Can you please pick up this?

Thanks
Barry