[ntp:questions] making sense of stats offset values [or trying to...]

David J Taylor david-taylor at blueyonder.not-this-part.nor-this.co.uk.invalid
Tue Apr 28 07:09:31 UTC 2009


David Woolley wrote:
> Bruce Lilly wrote:
[]
>>        # ntpq -p
>>             remote           refid      st t when poll reach   delay
>> offset  jitter
>>         *megatron.blilly 18.26.4.105      2 u   27   64  377
>> 2.927    0.296   0.122
>>         # ntptrace
>>         megatron.blilly.net: stratum 2, offset 0.002120, synch
>> distance 0.024161
>>
>>        Note that ntpq reports an offset of 0.296 milliseconds from
>> the local host to its system peer, while
>>        ntptrace reports an order of magnitude larger offset!
>
> 2.120 milli-seconds is not an order of magnitude different.  I think
>  you are expecting milliseconds to have three zeros after the decimal
> point; they don't!

David,

I'm missing something here - how are 0.296ms and 2.120ms not about "an 
order of magnitude different"?

Thanks,
David 




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