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Re: gpsd + chrony + pps

From: Gary E. Miller
Subject: Re: gpsd + chrony + pps
Date: Thu, 18 Jun 2020 11:03:48 -0700

Yo Dan!

On Thu, 18 Jun 2020 13:58:56 -0400
Dan Williams <> wrote:

> > 95% of the path is the same. ntpshmmon is a more direct measure of
> > what  
> gpsd is sending after it has processed the signals.
> Oh, so gpsd will write the PPS to _both_ paths if available? ( the
> socket and SHM segments)

If built to do so.  Which is the default.  Some OS do not have SHM,
and some no sockets.

Both also fail in movel waays when people abuse permissions.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can't measure it, you can't improve it." - Lord Kelvin

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