Re: [Linuxptp-users] ptp4l:Master offset in Slave is not consistently less than 100 nanosecond

2021-06-22 Thread Dennis Hagarty (dehagart) via Linuxptp-users
Hi, It might be obvious, but the offset from master is a result of the calculation of the T1-T4 timestamps. Every set of timestamps is going to give you a different number (because well, physics). There could be several reasons for this number being larger/smaller for any set of calculations.

Re: [Linuxptp-users] ptp4l:Master offset in Slave is not consistently less than 100 nanosecond

2021-06-22 Thread Raj kishore Chhatoi
Hi Miroslav, I will Check the same in driver side , Meanwhile could you please suggest if there are any config changes in slave ( Servo Options ) could improve master offset in slave! # Servo Options # pi_proportional_const 0.0 pi_integral_const 0.0 pi_proportional_scale 0.0 pi_prop

Re: [Linuxptp-users] ptp4l:Master offset in Slave is not consistently less than 100 nanosecond

2021-06-22 Thread Miroslav Lichvar
On Tue, Jun 22, 2021 at 09:51:18AM +0530, Raj kishore Chhatoi wrote: > Hi Team, > > When the Slave is getting in sync with the Master , we are observing that > the Master offset in the slave is not consistently < 100 ns. We are using > Hardware times stamp & "p2p_dst_mac 01:80:C2:00:00:0E", We are