[LinuxPPS] Considerations on pps_event()

[Rodolfo Giometti]

On Tue, Feb 20, 2007 at 12:45:56PM -0800, gnu not unix wrote:
> 
> The Mogul/Windl et. al. pps implementation do use a header define 
> as the  mechanism for the timestamp. So that is the right direction,
> I think.

Ok. As soon as the patch goes into main tree I can consider submitting
this modification.

> It still puzzles me about the "square wave" offset my data
> plots were showing. I restarted ntpd and its now smoothed
> out the square wave effect. The offset is comparable to the
> freebsd 5.4 system now, about +/- 1 to 2 microseconds. Nice.

Did you get this result with the latest LinuxPPS version?

> But why does it go away sometimes? I posted to the list
> about this before. And now its smoothed out again.

I'm sorry but I can't answer to this, I'm not a ntpd guru. :)

Ciao,

Rodolfo

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