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SubjectRe: How is user space notified of CPU speed changes?
Alan Cox wrote:
> On Gwe, 2004-10-22 at 20:40, Chris Friesen wrote:
>
>>x86 really could use an on-die register that increments at 1GHz independent of
>>clock speed and is synchronized across all CPUs in an SMP box.

> HPET sort of is this but at chipset level

Right. So you still have to go across the cpu bus to get it.

Chris
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