[ntp:questions] questions] Any chance of getting bugs 2164 and 1577 moving?

unruh unruh at invalid.ca
Thu Mar 22 15:44:10 UTC 2012


On 2012-03-22, Karel Sandler <sandler at ujf.cas.cz> wrote:
> From: Alby VA
>> It there any good way to determine what is noise and what isn't?
>
> Noise can be evaluated with the help of statistics. Finding the distribution 
> of noise requires a seemingly unnecessary decimal places. The situation is 
> complicated here by the fact that the offset is constantly changing. In 
> addition, it should be noted that in the case of serial PPS the system time 
> may lag behind UTC by tens of microseconds.

tens of microseconds? Where does this come from? The interrupt
processing time is not that long.



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