[LinuxPPS] ntpd

[Folkert van Heusden]

> >> What does repeatedly catting /proc/pps/01/assert show and maybe tell you?
> >> (change number to your ttySxx)
> > keetweej:/usr/src/ntp-dev-4.2.1p255-RC# cat /proc/pps/01/assert
> > 0.0 #0
> > but:
> > [43016931.120000] drivers/pps/pps.c: New message from PID 23071 (flags 0)
> > [43016931.120000] drivers/pps/pps.c: PPS_FETCH: source 1
> > keetweej:/usr/src/ntp-dev-4.2.1p255-RC# ps -deaf | grep 23071
> > root     23071     1  0 16:58 ?        00:00:00 ntpd
> Yes, ntpd is fetching.
> But do you see assert/clear messages for the PPS?

Well, no:

keetweej:/usr/src/ntp-dev-4.2.1p255-RC# while [ 1 ] ; do echo `cat /proc/pps/01/assert` `cat /proc/pps/01/clear` ; sleep 1 ; done
0.0 #0 0.0 #0
0.0 #0 0.0 #0
0.0 #0 0.0 #0
0.0 #0 0.0 #0
0.0 #0 0.0 #0



Folkert van Heusden

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