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

Paolo Bonzini
2014-07-14T13:40:59Z

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