Re: perf with precise attribute kills all KVM based VMs

From: Avi Kivity
Date: Sun Jul 15 2012 - 04:07:35 EST


On 07/12/2012 07:06 PM, Gleb Natapov wrote:
>>
>> Note the :pH this time.
> I am not sure what perf kvm does with :pH modifier, but H modifier does
> not make sense with perf kvm and should be reported as an error by perf tool.

Maybe it should refer to the guest vs. the nested guest...

Well that's a horrible UI but we do need some way to distinguish among
the two. Samples from the nested guest's kernel will make no sense when
looking at the guest kernel. I guess we should default to exclude
nested guest mode.

--
error compiling committee.c: too many arguments to function


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