[ntp:questions] info on use by NTP of CPU cycle counters etc

Drk Ryan ryandrk at hotmail.com
Mon Aug 25 20:35:05 UTC 2003


>Besides the time quantity that is incremented every timer interrupt
>there are some hardware facilities to help to interpolate the time
>between individual interrupts. For Linux 2.0 Pentium or better use
the
>processor's cycle counter for a very fine resolution (below 1
>microsecond), while other CPU's on arch i386 use the registers of the
>timer chip that generates periodic interrupts.


Is this information (explaining  the interpolation of interrupts and
reading of the CPU cycle counter etc.) available in any of the NTP
documentation?



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