[PATCH v5 2/5] perf: Add SNOOP_PEER flag to perf mem data struct
Andi Kleen
ak at linux.intel.com
Sat Apr 23 05:53:28 PDT 2022
> Except SNOOPX_FWD means a no modified cache snooping, it also means it's
> a cache conherency from *remote* socket. This is quite different from we
> define SNOOPX_PEER, which only snoop from peer CPU or clusters.
>
> If no objection, I prefer we could keep the new snoop type SNOOPX_PEER,
> this would be easier for us to distinguish the semantics and support the
> statistics for SNOOPX_FWD and SNOOPX_PEER separately.
>
> I overlooked the flag SNOOPX_FWD, thanks a lot for Kan's reminding.
Yes seems better to keep using a separate flag if they don't exactly match.
It's not that we're short on flags anyways.
-Andi
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