Re: [chrony-dev] chronyc: CSV output rounds frequency fields to 3 decimals

["Markus Kovero" <mui@xxxxxx>]

October 5, 2026 at 17:14, "Miroslav Lichvar" <mlichvar@xxxxxxxxxx> wrote:

> On Tue, Sep 22, 2026 at 09:21:37AM +0000, Markus Kovero wrote:
> > That sounds better than what I suggested — matching the digits to the
> >  wire format handles the large-value case my fixed-precision idea would
> >  have got wrong, and it covers skew reading 0 as well. Happy to test a
> >  patch on a rubidium-referenced host if that is useful; the offset here
> >  sits around 2e-11, so it exercises the small end.
>
> The latest code in git now has -E option to use the %e notation.
> It should work in both normal and CSV modes. In the normal mode the
> precision is adjusted to not break the alignment of the reports, so
> some values like skew in sources report have only one significant
> digit, but in the tracking report it has full precision.
>
> -- 
> Miroslav Lichvar

Hi! 

  stock chronyc 4.9              git chronyc 4.9-1-g7fab541 -E

  Last offset   : -0.000000001  Last offset   : -8.7639423e-10 seconds

  RMS offset    :  0.000000001  RMS offset    :  9.6118480e-10 seconds

  Frequency     :  0.000 ppm    Frequency     :  3.5061228e-05 ppm fast

  Residual freq : -0.000 ppm    Residual freq : -2.3620818e-07 ppm

  Skew          :  0.000 ppm    Skew          :  1.7248884e-05 ppm

can confirm this is very much more informative, greatly appreciated!)

Br

Markus Kovero