Virtualize BTS?

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* Virtualize BTS?
@ 2011-04-28 15:03 Jun Koi
  2011-04-28 15:53 ` Avi Kivity
  0 siblings, 1 reply; 2+ messages in thread
From: Jun Koi @ 2011-04-28 15:03 UTC (permalink / raw)
  To: kvm

hi,

i am wondering if current KVM version virtualizes the BTS (Branch
Trace Store) facility? do we have this facility inside VM?

thanks,
Jun

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: Virtualize BTS?
  2011-04-28 15:03 Virtualize BTS? Jun Koi
@ 2011-04-28 15:53 ` Avi Kivity
  0 siblings, 0 replies; 2+ messages in thread
From: Avi Kivity @ 2011-04-28 15:53 UTC (permalink / raw)
  To: Jun Koi; +Cc: kvm

On 04/28/2011 06:03 PM, Jun Koi wrote:
> hi,
>
> i am wondering if current KVM version virtualizes the BTS (Branch
> Trace Store) facility? do we have this facility inside VM?
>

No.  On AMD we do virtualize a similar feature (LBR).

-- 
error compiling committee.c: too many arguments to function


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2011-04-28 15:03 Virtualize BTS? Jun Koi
2011-04-28 15:53 ` Avi Kivity

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