Messages in this thread | | | Date | Wed, 24 Mar 2010 08:42:28 +0200 | From | Avi Kivity <> | Subject | Re: [RFC] Unify KVM kernel-space and user-space code into a single project |
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On 03/24/2010 07:09 AM, Andi Kleen wrote: > Joerg Roedel<joro@8bytes.org> 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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