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.
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