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

Avi Kivity
2010-03-24T08:59:05Z

On 03/24/2010 09:38 AM, Andi Kleen wrote:
>> 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.
>>
> I'm interested in debugging the guest without guest cooperation.
>
> In many cases qemu's new gdb stub works for that, but in some cases
> I would prefer instruction/branch traces over standard gdb style
> debugging.
>

Isn't gdb supposed to be able to use branch traces? It makes sense to
expose them via the gdb stub then. Not to say an external tool doesn't
make sense.

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