What's left to doo on NTS.

Gary E. Miller gem at rellim.com
Sun Mar 3 23:30:53 UTC 2019


Yo Kurt!

On Mon, 4 Mar 2019 00:19:44 +0100
Kurt Roeckx via devel <devel at ntpsec.org> wrote:

> > Actually getting timestamps from the NIC is fairly involved. The NIC
> > has its own clock and its own oscillator, which has to carefully be
> > kept in sync with the system clock. Furthermore, all the APIs for
> > doing this are OS-specific. Check out the linux-ptp project to see
> > what it looks like when it's done right; it's a fair bit of code,
> > and nothing of the kind is present in ntpd.  
> 
> But it is present in chrony. It supports both interleaved mode
> and hardware timestamping.

I'm looking for it, but can not find it.  Can you point out where?

I do see that chronyd has a "PTP hardware clock (PHC) refclock driver".
But that is Linux only and not the same thing.

RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
	gem at rellim.com  Tel:+1 541 382 8588

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    "If you can’t measure it, you can’t improve it." - Lord Kelvin
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