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Date:   Fri, 2 Jun 2023 09:00:28 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     K Prateek Nayak <kprateek.nayak@amd.com>
Cc:     linux-kernel@vger.kernel.org, linux-tip-commits@vger.kernel.org,
        Tejun Heo <tj@kernel.org>, x86@kernel.org,
        Gautham Shenoy <gautham.shenoy@amd.com>
Subject: Re: [tip: sched/core] sched/fair: Multi-LLC select_idle_sibling()
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On Fri, Jun 02, 2023 at 10:43:37AM +0530, K Prateek Nayak wrote:

> This makes sense but I wonder if new domain will add more load balancing
> jitters. Also this will require larger evaluation with some more diverse
> workloads.

Always the case, isn't it :-)

> Let me go check if we can get find the NPS2/NPS4 boundary when
> in NPS1 mode.

Yeah, that would be nice; if not you can see if you can reverse engineer
them from FMS and the topology bits we do have and file a request with
your hardware people to pretty please expose this going forward.