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

[Borislav Petkov]

On Mon, Jun 15, 2015 at 12:57:18PM +0200, Peter Zijlstra wrote:
> Seeing how we disable C states, its unlikely to use less energy, so what
> exactly is its benefit, other than using fancy new instructions?

If the "disabling of C states" turns into a "go into a C-state which has
small wakeup latency" in the future, would be cool. Because we have a
bunch of places where we do delay.

Rui, what happens if you enter C1 instead? Any improvements or is the
wakeup latency too high?

Thanks.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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