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SubjectRe: 2.6.20-rc6-mm2
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On Mon, 2007-01-29 at 17:22 +0100, Karsten Wiese wrote:
> Hi,
>
> with dynticks and highres_timers enabled, cpufreq_ondemand makes mess here on
> an AMD64 UP.
> cpufreq_ondemand assumes that jiffies advance at exactly the same pace as the
> sum of all kstat_cpu(cpu).cpustat.* members.
> This isn't the case here as dmesg output from patch below shows.
>
> Is cpufreq_ondemand correct assuming
> "jiffies advance at exactly the same pace as the
> sum of all kstat_cpu(cpu).cpustat.* members"?
> Or is "dynticks and highres_timers"'s behaviour of incrementing the
> sum of kstat_cpu(cpu).cpustat.* members faster than jiffies?

No it should not. /me investigates.

tglx


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