On Wed, Apr 21, 2021 at 09:55:31PM +0000, Keller, Jacob E wrote: > You mentioned you were using igb. I believe that driver still relies > on a work queue task to handle the Tx timestamps, as well as > overflow check.
Right, and work has no priority at all in the kernel. This could be improved at the driver level by using the PHC kthread, which then could be given priority administratively. Thanks, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users