RE: [PATCH 4/4] selftests/resctrl: Adjust SNC support messages

[Luck, Tony]

> Could you please help me understand the details by answering my first
> question: What is the use case for needing to expose the individual cluster
> counts? 
>
> This is a model specific feature so if this is something needed for just a
> couple of systems I think we should be less inclined to make changes to
> resctrl interface. I am starting to be concerned about something similar
> becoming architectural later and then we need to wrangle this model specific
> resctrl support (which has then become ABI) again to support whatever that
> may look like.

Reinette,

Model specific. But present in multiple consecutive generations (Sapphire Rapids,
Emerald Rapids, Granite Rapids, Sierra Forest).

Adding Peter Newman for a resctrl user perspective on SNC, rather than me
continue to speculate on possible ways this might be used.

Peter: You will need to dig back a few messages on lore.kernel.org to
get context.

-Tony