[ntp:questions] Experimental ntpd for Windows

Terje Mathisen "terje.mathisen at tmsw.no" at ntp.org
Thu Jan 29 19:08:13 UTC 2009


Dave Hart wrote:
> On Jan 28, 11:52 pm, Terje Mathisen <"terje.mathisen at tmsw.no">
> wrote:
>> I've installed your version, and included -M in my startup parameters:
>>
>> I get Event Log (Application) messages about stuff like:
>>
>> System time quantum 1.000 msec, min. slew 6.410 ppm/s
>> Clock interrupt period 15.600 msec (startup slew 0.1 usec/period)
>> Performance counter frequency 14.318 MHz
>> MM timer resolution: 1..1000000 msec, set to 1 msec
>> ntpd 4.2.4p6 at DLH-QPC-o Jan 28 6:47:59.16 (UTC-08:00) 2009  (51)
>>
>> which seems to me to indicate that your code is indeed running, but I
>> don't get any 'filtered... QPC' messages at all?
> 
> Wait a few more minutes and you should see at least one line
> mentioning QPC.  The case where no samples are thrown out (typical

Sorry, not a single such entry:

I've searched through the Application log, both for QPC (which finds 
just the two startup messages), and for 'filtered' which doesn't find 
anything.

Terje

> with the wide early window) doesn't log anything, it just halves the
> window silently.  The window adjustment check happens every 59
> seconds, so it could be that it hasn't run long enough.  Also it will
> be silent when the window has stabilized, so in the extreme case, you
> could be hunting for a solitary entry mentioning QPC sometime in the
> first 20 minutes.
> 
> Thanks for taking a look at it.
> 
> Cheers,
> Dave Hart


-- 
- <Terje.Mathisen at tmsw.no>
"almost all programming can be viewed as an exercise in caching"




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