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Re: [Xen-devel] [RFC] ARM: New (Xen) VGIC design document



On Wed, Nov 1, 2017 at 10:15 AM, Andre Przywara
<andre.przywara@xxxxxxxxxx> wrote:
> Hi,
>
> On 01/11/17 04:31, Christoffer Dall wrote:
>> On Wed, Nov 1, 2017 at 9:58 AM, Stefano Stabellini
>> <sstabellini@xxxxxxxxxx> wrote:
>>
>> [....]
>
> Christoffer, many thanks for answering this!
> I think we have a lot of assumptions about the whole VGIC life cycle
> floating around, but it would indeed be good to get some numbers behind it.
> I would be all too happy to trace some workloads on Xen again and
> getting some metrics, though this sounds time consuming if done properly.
>
> Do you have any numbers on VGIC performance available somewhere?
>

I ran the full set of workloads and micro numbers that I've used for
my papers with/without the optimization, and couldn't find a
measurable difference.

-Christoffer

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