Re: [PATCH 4/4] sched/fair: Proportional newidle balance

Peter Zijlstra
2026-02-02T10:51:53Z

On Fri, Jan 30, 2026 at 01:16:52PM +0000, Mohamed Abuelfotoh, Hazem wrote:

> The main difference between Intel based c7i.4xlarge vs AMD based c7a.4xlarge
> is that on Intel we have HT enabled so the instance has 16 vCPU which are
> really 8 Physical cores with HT enabled. On AMD the VM comes with 16
> physical cores with no HT so it has 2 CCDs while on Intel we have a single
> L3 cache. I am also adding the output of lscpu on both instances to clarify
> architectural discrepancies between both.

OK, that clarifies.

How does the NI_RATE patch work for you?