Re: [PATCH][retry 1] Add support for Pause Filtering to AMD SVM

Ingo Molnar
2009-05-11T15:18:47Z

* Avi Kivity <avi@redhat.com> wrote:

>> I.e. the 3000 cycles value itself could be eliminated as well.
>> (with just a common-sense max of say 100,000 cycles enforced)
>
> Yeah, though that has a much smaller effect as it's only
> responsible for a few microseconds of spinning.

3000 cycles would be 1-2 usecs. Isnt the VM exit+entry cost still in
that range?

Ingo