[LinuxPPS] ntpd

[Folkert van Heusden]

> > I have a feeling that neither the atom nor the nmea ntpd driver use the
> > PPS functionality.
> Someone is readind PPS data, from above:
>    [42996225.890000] drivers/pps/pps.c: New message from PID 16224 (flags 0)
>    [42996225.890000] drivers/pps/pps.c: PPS_FETCH: source 1
> Who is the process with PID=16224?

So if I have this in my dmesg:
[43015424.110000] drivers/pps/pps.c: New message from PID 23071 (flags 0)
[43015424.110000] drivers/pps/pps.c: PPS_FETCH: source 1
[43015425.110000] drivers/pps/pps.c: New message from PID 23071 (flags 0)
[43015425.110000] drivers/pps/pps.c: PPS_FETCH: source 1
[43015426.110000] drivers/pps/pps.c: New message from PID 23071 (flags 0)
[43015426.110000] drivers/pps/pps.c: PPS_FETCH: source 1
[43015427.110000] drivers/pps/pps.c: New message from PID 23071 (flags 0)
[43015427.110000] drivers/pps/pps.c: PPS_FETCH: source 1
[43015428.110000] drivers/pps/pps.c: New message from PID 23071 (flags 0)
[43015428.110000] drivers/pps/pps.c: PPS_FETCH: source 1
that means that process 23071 (ntpd) is fetching the pps.
Why is it then that it stays like this:
     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
 PPS(0)          .PPS.            0 l    -   64    0    0.000    0.000   0.001

(ntpq -c pe)


Folkert van Heusden

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