Re: [PATCH] USER_HZ & NTP problems

From: Rolf Fokkens (fokkensr@fokkensr.vertis.nl)
Date: Tue Sep 10 2002 - 01:37:17 EST


On Tuesday 10 September 2002 08:09, Vojtech Pavlik wrote:
> Actually, the clock true frequency is 1193181.8 Hz, although most
> manuals say 1.19318 MHz, which, because truncating more digits, also
> correct. But 1193180 Hz isn't. If you're trying to count the time
> correctly, you should better use 1193182 Hz if staying in integers.

I copied the clock frequency from the kernel source, timex.h defines:

#define CLOCK_TICK_RATE 1193180

If what you're saying is correct, timex.h uses the wrong value as wel I guess.
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