Re: [RFCv2 6/6] sched/fair: Bound non idle core search by DIE domain

[Peter Zijlstra]

On Wed, May 15, 2019 at 07:23:22PM +0530, Parth Shah wrote:
> This patch specifies the sched domain to search for a non idle core.
> 
> The select_non_idle_core searches for the non idle cores across whole
> system. But in the systems with multiple NUMA domains, the Turbo frequency
> can be sustained within the NUMA domain without being affected from other
> NUMA.
> 
> This patch provides an architecture specific implementation for defining
> the turbo domain to make searching of the core to be bound within the NUMA.

NAK, this is insane. You don't need arch hooks to find the numa domain.