Re: [Linuxptp-users] sawtooth from linux timestamp?

2023-07-25 Thread jmfriedt
I have just realized that the freq field in the /var/log/messages log file of phc2sys is representative of the CPU (system clock) and should provide the information needed for synthonization. (and I now realize the 37 s from my previous post is UTC-TAI) Thanks, Jean-Michel -- JM Friedt,

Re: [Linuxptp-users] sawtooth from linux timestamp?

2023-07-25 Thread jmfriedt
> So I would now like to try and synchonize the CPU clock on the PHC sorry for the typo, that should read "and synthonize the CPU clock", Jean-Michel ___ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net

Re: [Linuxptp-users] sawtooth from linux timestamp?

2023-07-25 Thread jmfriedt
On Mon, 24 Jul 2023 09:17:10 +0200 Miroslav Lichvar wrote: > On Sat, Jul 22, 2023 at 04:12:32PM +0200, jmfriedt wrote: > > To do this I am connecting an Ettus Research X310 software defined > > radio to the CM4 and configuring to start collecting data upon > > detection of the WR 1PPS rising

Re: [Linuxptp-users] sawtooth from linux timestamp?

2023-07-24 Thread Miroslav Lichvar
On Sat, Jul 22, 2023 at 04:12:32PM +0200, jmfriedt wrote: > To do this I am connecting an Ettus Research X310 software defined > radio to the CM4 and configuring to start collecting data upon > detection of the WR 1PPS rising edge. The SDR input is connected to the > 1PPS to assess that the record

[Linuxptp-users] sawtooth from linux timestamp?

2023-07-22 Thread jmfriedt
Thanks to the help I received earlier I am now able to control the Compute Module 4 (CM4) on (White Rabbit) PTP, NTP or GPS. I am trying to understand the meaning of the 9 digits Linux is providing when reading an inode state with "stat -c %y" and how many decimals are actually relevant. To do