Re: [PATCH v2 7/7] x86/resctrl: Determine if Sub-NUMA Cluster is enabled and initialize.

Peter Newman
2023-06-23T15:20:40Z

Hi Tony,

On Thu, Jun 22, 2023 at 6:02 PM Luck, Tony <tony.luck@intel.com> wrote:
>
> > Unfortunately I'm not getting as good of results with the new series.
> > The main difference seems to be updating the 0xca0 MSR instead of
> > applying the offset to PQR_ASSOC.
>
> I think I may have reversed the actions to update the MSR in one of
> my refactor/rebase. The comment here is correct, but that's not
> what the code is doing :-(
>
> Can you swap the bodies of these two functions and retest?

It's a small improvement, but still not great. Still only node 0
giving believable results, but at least no more empty results from the
second package.

I poked around in /proc/kcore and noticed that my snc_ways is still 1, though.

-Peter