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SubjectRe: [PATCH 0/7] KVM: Kernel-based Virtual Machine
Arnd Bergmann wrote:
> On Sunday 22 October 2006 19:01, Avi Kivity wrote:
>
>>> While we don't have it yet, we're thinking about adding a sputop
>>> or something similar that shows the utilization of spus. You don't
>>> need that one, since get exactly that with the regular top, but you
>>> might want to have a tool that prints statistics about how often
>>> your guests drop out of the virtualisation mode, or the number
>>> of interrupts delivered to them.
>>>
>>>
>>>
>> We have a debugfs interface and a kvm_stat script which shows exactly
>> that (including a breakdown of the reasons for the exit).
>>
>
> Ok, good. But with your own file system, you wouldn't need debugfs
> any more and have all information about a guest in one place.
>

One last thing: permissions. The /dev/kvm model allows permissions to
be controlled using standard unix access methods. How do you control
access to spufs?

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

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