DTrace on FreeBSD
Alexander Leidinger
Alexander at Leidinger.net
Sat Apr 14 14:00:45 UTC 2012
On Tue, 10 Apr 2012 02:18:38 +0100 Sevan / Venture37
<venture37 at gmail.com> wrote:
> Hi,
> Ryan Stone got a chance to give a brief talk at the dtrace.conf last
> week where he covered the status of support on FreeBSD.
> http://smartos.org/2012/04/09/dtrace-conf-2012-dtrace-on-freebsd/
>
> I was wondering if the reason outlined by Ryan for why it DTrace
> isn't switched on by default still hold true (licensing issue) or is
> it just the case that it was forgotten about? I ask as It would be
> nice to have DTrace on FreeBSD by default.
As far as I remember the issue was that some people (maybe in behalf of
companies) expressed their concern if the GENERIC kernel does not come
with BSD-license-only code. For this reason jb@ worked on the
KDTRACE_HOOKS code. What we need now is a verification, that this part
of DTRACE is not "CDDL-infected". There was an internal discussion,
triggered by the talk you mentioned above. A part (the simple one) of
the code has been reviewed. Anyone interested in getting KDTRACE_HOOKS
enabled by default is free to do an independent review and post it here.
Bye,
Alexander.
--
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