[ntp:questions] Win7: ntpd adjusting time backwards
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Null at BlackList.Anitech-Systems.invalid
Fri Dec 14 00:49:38 UTC 2012
David Woolley wrote:> BlackLists wrote:
>> That Precision is supposed to represent the time it takes
>> to read the system clock.
> It is the smallest non-zero difference between two readings
> of the clock. If the clock is very high resolution,
> it may be close to the time to read the clock.
> If the clock is low resolution, it is determined by the
> resolution of the clock.
>> So whatever that is, you shouldn't expect a application
>> to be able to "get time" more often.
> If the clock can only be read to 10ms (no interpolation)
> you can expect multiple reads.
... without the timestamp changing though.
I guess I could have worded it better.
Whatever ntpq -c "rv 0 precision" returns;
an application is unlikely to be able to get "changing"
timestamps at any higher rate.
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