Hi Experts, According to the man page of phc2sys, it is used to synchronize 2 or more clocks in the system. May I know what does this mean?
To my understanding, phc2sys is used to synchronize the system clock based on the phc in 2 ways, either by directly reading the phc time periodically, or using the PHC's PPS output as PPS source. So it is always for synchronizing the system clock? I do not understand why 2 or more clocks would be synchronized? Does it mean, there could be multiple system clocks and minimum no. of sys clock is 2? option -a => I looked at the code, and according to this, it is "autocfg". Can someone please explain the scenario of this autocfg? The manpage says - read the "clocks" to synchronize. Does it mean, there can be multiple PHC? Can there be one PHC on each port of a system? Thanks,Nemo
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