Re: [PATCH v5 2/2] x86, mwaitt: introduce mwaix delay with a configurable timer

[Huang Rui]

On Mon, Jun 15, 2015 at 04:25:59PM +0200, Borislav Petkov wrote:
> On Mon, Jun 15, 2015 at 10:04:19PM +0800, Huang Rui wrote:
> > Hmm, the current processor cannot enter C1 with MWAITX, so I don't
> > confirm if it would have higher wakeup latency on C1 in future.
> 
> I remember you saying MWAITX enters currently something between C1 and
> C0. How does that behave wrt latency and power savings?
> 

Yes, right. The power consumption is less than C0 (C0 > MWAITX > C1).
The waiting exit speed is faster than HTL.

Thanks,
Rui
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