RE: [PATCH 5/7] x86/resctrl: Add a new "snc_ways" file to the monitoring info directory.

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> > Make it easy for the user to tell if Sub-NUMA Cluster is enabled by
> > providing an info/ file.
>
> I think what this is conveying to user-space is 'domain_id_is_numa_node'.

That seems more architecturally neutral. I like it.

> Does user-space need to know the number of ways?

I don't know. Maybe some might. Perhaps there is some better name that
is architecturally neutral, but still has a numerical rather than boolean value?

> Will this always be a single number, or will it ever be possible to have an SNC=2 and
> SNC=1 package in the same system?

I sincerely hope that it is the same value across the system. Currently the
BIOS setup option to enable SNC doesn't have per-socket choices, it is
just an all-or-nothing choice. "2" isn't the only choice for number of SNC
nodes on a socket. "4" is (or will be) a choice.

-Tony




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