Re: [Linuxptp-users] Status file of achieved time synchronization

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

On Wed, Feb 12, 2014 at 03:55:21PM +0000, Koehrer Mathias (ETAS/ESW5) wrote:

> Starting this application on the slaves is only allowed if the time-synchronization is stable (=the clock offset is below a certain limit and the drift is low).
> With "ptpd2" there is a status file /var/run/ptpd2.status" that will be re-written every second.
> Is anything like that available with linuxptp as well?

We don't have a file, but instead you can use the management
interface. The 'pmc' management client can be used in a script,
like in the example below.

Probably you are interested in the CURRENT_DATA_SET, but for gPTP
applications there is also TIME_STATUS_NP.

HTH,
Richard
---
#!/bin/bash

while [ 1 ]; do
	clear
	./pmc -u -b 0 "get CURRENT_DATA_SET"
	sleep 1
done