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SubjectRe: [PATCH V6 09/14] perf/x86/intel: Support TopDown metrics on Ice Lake
> Also, that for_each_set_bit() loop, trying to find the events to
> update...
>
> Can't we, instead, make the SLOTS update advance 5 running counters in
> cpuc and feed the events off of that?

The original patches implemented this through a perf transaction and a
cache. I think what you're suggesting is similar to the old cache.

-Andi

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