Re: [RFC] Unify KVM kernel-space and user-space code into a singleproject

[Avi Kivity]

On 03/24/2010 07:09 AM, Andi Kleen wrote:
> Joerg Roedel<joro@xxxxxxxxxx>  writes:
>    
> > Sidenote: I really think we should come to a conclusion about the
> >            concept. KVM integration into perf is very useful feature to
> > 	  analyze virtualization workloads.
> >      
> Agreed. I especially would like to see instruction/branch tracing
> working this way.  This would a lot of the benefits of a simulator on
> a real CPU.
>    

If you're profiling a single guest it makes more sense to do this from 
inside the guest - you can profile userspace as well as the kernel.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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