[ntp:questions] program to test actual resolution of Linux?

Drk Ryan ryandrk at hotmail.com
Sat Sep 6 12:55:06 UTC 2003

>>>But Windows provides a function, GetSystemTimeAsFileTime(), that
>>>allows you to query the system time in 100 nanosecond intervals. 
>>What you mean is that the function returns time with a theoretical
>>resolution of 100ns. However it would appear likely that the actual
>>times returned have a resolution of 10ms.  [rearranged slightly]
>>Write a program that busy loop calls this function and saves the results
>>over say 1000 calls.

>I wrote a program that retrieved 10,000 unique values from the
>GetSystemTimeAsFileTime() function, then analyzed the delta between
>consecutive times. Out of 9,999 deltas, 9,974 of them were 10.144

Does anyone have code available to do this for Linux?

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