[vfio-users] What to put in virt-manager so GeForce Experience will "Optimize" my CPU?

[Alex Williamson]

On Mon, Jan 25, 2016 at 8:42 PM, Will Marler <will at wmarler.com> wrote:

> Oh man, I got really excited for a second, but something's still missing.
> GeForce Experience now sees "Intel(R) Core(TM) i5-4690 CPU @3.50GHz" but it
> still says it can't optimize: http://imgur.com/quS5Isk
>
> On Mon, Jan 25, 2016 at 8:34 PM, Alex Williamson <
> alex.l.williamson at gmail.com> wrote:
>
>> On Mon, Jan 25, 2016 at 8:30 PM, Will Marler <will at wmarler.com> wrote:
>>
>>>
>>> I'm not sure this is a big deal, but idk, I guess I like to cross t's &
>>> dot i's.
>>>
>>> The nVidia GeForce Experience says it cannot optimize games on my guest,
>>> because the CPU is "Haswell". But afaict, this is a supported chip. I'm
>>> guessing there's something with the way the chip is being passed in that's
>>> affecting this, and I'm hoping it's simple; does anyone know?
>>>
>>> GeForce Experience Screenshot: http://imgur.com/5yRYf9A
>>> my XML file pastebin: http://pastebin.com/nB3DPkEr
>>>
>>
>> Replace host-model with host-passthrough
>>
>
It probably doesn't like the lack of CPU topology, it looks like a dual
socket, single core processor.  It might also require 4-core, I don't
remember.  Try:

   <vcpu placement='static'>4</vcpu>

  <cpu mode='host-passthrough'>
    <topology sockets='1' cores='4' threads='1'/>
  </cpu>

If that works, try going back to 2.
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