Re: [Linuxptp-users] software timestamp mode

[frank <sou...@gm...>]

On 11/04/2015 11:34 AM, Richard Cochran wrote:
> On Wed, Nov 04, 2015 at 08:29:06AM +0100, frank wrote:
>> Do I need to change more configuration settings? Or is this the wrong
>> way to do things?
> The choices are:
>
> 1. HW time stamping with PHC
> 2. SW time stamping with the system clock (CLOCK_REALTIME)
>
> You cannot mix the two.  So, for SW time stamping, leave off the '-p'
> command line flag.
Ah ok, thanks!

Just for my understanding:

ptp4l with software timestamping modifies CLOCK_REALTIME directly,
whereas for hardware timestamping I have to use ptp4l + phc2sys  in order
to achieve the same?

kind regards
  Frank