Re: [PATCH V5 1/2] perf ignore LBR and extra_regs

[Paolo Bonzini]

Il 14/07/2014 15:36, Liang, Kan ha scritto:
> > > Kan Liang, what happens if CONFIG_PARAVIRT=y?  Do you get garbage or
> > > just no events reported?
> > >
> Guest rdmsr/wrmsr will eventually call rdmsr_safe/wrmsr_safe. They will handle the #GP. So there is no error report in guest.

Yeah, but what's the effect on the output of perf?

Paolo

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