Re: Chrony not taking SOCKET data from Application

Thank you Emmanuel Bill and for the information on using makestep.

On Wed, Jun 28, 2023 at 10:58 PM Emmanuel Fusté <[email protected]>
wrote:

> Le 28/06/2023 à 19:19, Bill Unruh a écrit :
> > Why would you be using makestep if the difference were more than
> > 100ns. That
> > both seems extreme and totally subverts the action of chrony. Chrony is
> > designed to correct the system clock to the best estimate of the true
> > time and
> > rate. Makestep ruins that, especially the rate estimate. Nothing can
> > control
> > the clock to 100ns unless you have very special hardware. 100ns is
> > less than
> > 100 ft of cable, and needs very special impedance matching to attain.
>
> The main problem is not the cable, but the system himself : bus latency,
> irq latency etc...
> You're right : very special hardware is needed to reach less than 100ns
> measurement induced error/system clock tracking.
>
> Emmanuel.
>
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