[ntp:questions] best gps receiver for time synchronization

Rob nomail at example.com
Wed Mar 11 17:36:44 UTC 2009


David Woolley <david at ex.djwhome.demon.co.uk.invalid> wrote:
> David J Taylor wrote:
>> David Woolley wrote:
>> []
>
>> 
>> David, do you have a reference for your "risks lost ticks" statement as 
>> applied to Windows?
>
> Windows has been mentioned on this newsgroup as losing ticks on many 
> occasions.  The fastest multi-media timers correspond to the timer 
> frequencies that present high risks of losing ticks on Linux.

Note that on Linux you can read the current time with a much higher
resolution than the actual tickrate.  I.e. the current time is not
simply a counter value that increments at each timer tick.  Even in
a system with 10ms ticks you can read the current time to the microsecond
or better.




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