On Thu, Feb 11, 2021 at 02:56:03PM +0000, Zuckerbrod, Daniel wrote:
> These jumps wouldn't occur if ptp4l was preempted from the CPU?

No.  The estimation of the offset is computed based on time stamps
generated in hardware.  These input values are not affected by
scheduling behavior in any way.

(It is true that very large delays between time stamp generation and
clock adjustment _can_ affect the control loop stability, but that is
not the problem you reported.)

Thanks,
Richard


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