Recent trends in the codebase size

Mark Atwood fallenpegasus at gmail.com
Mon Jan 30 04:41:45 UTC 2017


Is there a reason to keep dumbclock?   Maybe it exists as a starting
framework for when someone wants to write a new clockdriver?

..m

On Sun, Jan 29, 2017 at 5:36 AM Eric S. Raymond <esr at thyrsus.com> wrote:

> Here are the full current stats:
>
> all            71320 (100.00%) in 298 files
> c              60694 (85.10%) in 152 files
> python          7472 (10.48%) in 48 files
> shell           1444 (2.02%) in 7 files
> yacc            1255 (1.76%) in 1 files
> waf              455 (0.64%) in 11 files
>
> We're down to a hair over 26% of the original bulk of C.  The main
> possible place to cut that's left is the ntp_io.c code; removing
> interface scanning and going with one wildcard socket seems likely
> to cut a couple KLOC.  Past that, we're running out of crap to clean
> up unless we decide to drop more obsolete refclocks or Hal is
> able to rewrite the async-DNS code and seriously shrink it.
>
> Accordingly I've recently done a pass through the reclocks. The
> dumbclock driver should probably go - it's an obvious dorm-room stunt
> that doesn't correspond to any production hardware anywhere.
> Otherwise it's hard to see what else to cut without a policy change.
>
> A couple other interesting points:
>
> * The size of the waf recipe has been dropping recently. The crypto
>   cleanup helped with that.  More needs to be done here; it's still
>   overcomplicated and somewhat buggy.
>
> * 10% of the code is now Python.  That's better than I thought we
>   would do in terms of moving from C to a memory-safe language (that
>   is, shy of a rewrite in Go or something). It would be good to
>   increase that further, but this is unlikely; what's left in C either
>   needs to be there for performace reasons (ntpd) or would be
>   difficult to shift out of all proportion to its size(ntptime,
>   ntpfrob, sht).
>
> * Most of the shell code (975 lines) is autorevision.sh.
> --
>                 <a href="http://www.catb.org/~esr/">Eric S. Raymond</a>
>
> Live free or die; death is not the worst of evils.
>         -- General George Stark.
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