Re: [patch 1/] timers: tsc using for cpu scheduling

From: Dominik Brodowski
Date: Thu Jun 30 2005 - 15:54:59 EST


On Thu, Jun 30, 2005 at 12:07:48PM -0700, john stultz wrote:
> Well, not quite. First of all, I believe (Dominik would know better)
> that not all CPUs that support frequency scaling actually modify their
> TSC frequency. So in some cases the TSC is time and in others it is
> work.

Indeed. For example, P4s capable of Enhanced SpeedStep do not modify the TSC
tick rate.

Dominik
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