[issue13405] Add DTrace probes

[Dave Malcolm]

Dave Malcolm <dmalcolm at redhat.com> added the comment:

On Fri, 2012-01-20 at 04:46 +0000, Benjamin Peterson wrote:
> Benjamin Peterson <benjamin at python.org> added the comment:
> 
> As great as a tool it maybe, it's still only available on a minority platform. So I couldn't really try it.

FWIW, the analogous systemtap patch works great on Linux, or, at least
Fedora 13+/RHEL 6 (though beware: not all Linux distributions have
systemtap working properly out of the box, alas).

See:
http://fedoraproject.org/wiki/Features/SystemtapStaticProbes#Python_2
and http://bugs.python.org/issue4111 though this stalled due to lack of
documentation (I started writing some, but got bogged down in the
differences between the tapsets and the static markers; sorry).

Dave

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