Hi Martin,

This is exactly the info I needed to make the pmc call work!

Thanks,

Jason



On 10/3/2022 9:52 AM, Martin Pecka wrote:

Hi Jason, that's what the readonly UDS socket is for. With default configuration and PTP4L master branch, this is how you can query TIME_STATUS_NP without root:

pmc -u -s /var/run/ptp4lro -i /tmp/pmc.socket "GET TIME_STATUS_NP"

The key is to supply the "-s /var/run/ptp4lro" which points to the read-only socket. You also need to pass "-i /tmp/pmc.socket" or something similar - this points to the path where PMC should create its own socket. By default, it is /var/run/pmc.$pid, but that location is not writable for non-root users. So I just usually point it to /tmp (this socket is practically useless).

Martin

--
Mgr. Martin Pecka, Ph.D.
Researcher at Vision for Robotics and Autonomous Systems group
Faculty of Electrical Engineering
Czech Technical University in Prague
Phone: +420 22435 7269


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