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

From: Paolo Bonzini
Date: Mon Jul 14 2014 - 09:41:01 EST

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?


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