Re: [Linuxptp-users] ts2phc master offset value periodically spikes

[Richard C. <ric...@gm...>]

On Tue, Apr 12, 2022 at 02:35:17PM -0700, Richard Cochran wrote:
> There are patches floating around that convert the tty stuff into a
> proper kthread that can be given sched_fifo priority.  You'll have to
> port those or do something similar yourself.

Once upon a time, there was a low latency option for serial ports.  At
some point, it was removed. In 2015, an attempt was made to restore some
kind of low latency performance.

   https://www.spinics.net/lists/linux-serial/msg17767.html

This went nowhere, but in 2019 another attempt was made.

   https://lore.kernel.org/lkml/201...@pe.../


HTH,
Richard