Re: tickless/dynticks + cpufreq = tsc unstable

From: Lee Revell
Date: Fri Jan 25 2008 - 18:30:20 EST


On Jan 25, 2008 6:02 PM, Michael Tokarev <mjt@xxxxxxxxxx> wrote:
> Is it normal that once I enable cpufreq on
> a tickless system, it spews a warning:
>
> Clocksource tsc unstable (delta = -288201154 ns)
>
> ?

Yes, it's normal. Dual core AMD64 machines really do have unstable TSC.

Lee
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