Re: [PATCH] perf/x86: KVM: Disable vPMU support on hybrid CPUs (host PMUs)

[Andi Kleen]

> If I understand correct, the workaround in KVM is to add a white/black
> list to filter the events. I think we can do the same thing for the
> hybrid machine for now.
> https://lore.kernel.org/lkml/CAOyeoRUUK+T_71J=+zcToyL93LkpARpsuWSfZS7jbJq=wd1rQg@xxxxxxxxxxxxxx/


This will make everyone who actually wants to use the PMU sad.

It's reasonable if the vCPUs are not bound, but if they are bound it 
would be better to expose it with a suitable CPUID for the types.


-Andi