On Thu, Apr 29, 2021 at 03:04:07PM +0000, ramesh t via Linuxptp-users wrote:

> Did time profiling using time ticks. Under the problem condition,
> observing clock_gettime of interface connected to BC is taking more
> time ticks. This results in phc offset jumping to 4 digit value
> momentarily. Also i'm not sure if reading across numa is triggering
> this issue.  Please suggest a way to fix in the phc2sys offset
> code?1) Should we prevent update on phc2sys value if there is
> momentarily jump?

You can use 'chrt' to give phc2sys scheduling priority so that it will
not be preempted.

HTH,
Richard



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