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

Avi Kivity
2010-03-22T20:45:16Z

On 03/22/2010 10:35 PM, Ingo Molnar wrote:
>
>>> And your point is that such vcpus should be excluded from profiling just
>>> because they fall outside the Qemu/libvirt umbrella?
>>>
>>> That is a ridiculous position.
>>>
>>>
>> Non-guest vcpus will not be able to provide Linux-style symbols.
>>
> And why do you say that it makes no sense to profile them?
>

It makes sense to profile them, but you don't need to contact their
userspace tool for that.

> Also, why do you define 'guest vcpus' to be 'Qemu started guest vcpus'? If
> some other KVM using project (which you encouraged just a few mails ago)
> starts a vcpu we still want to be able to profile them.
>
>

Maybe it should provide a mechanism for libvirt to list it.

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