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Date: Thu, 24 Nov 2011 18:49:40 +0000
From: Andrzej Szeszo <aszeszo@gmail.com>
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To: OpenIndiana Developer mailing list <oi-dev@openindiana.org>
Subject: Re: [oi-dev] DTrace probes in Python 2.7 (and next 3.3)
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Cc: Discussion list for OpenIndiana <openindiana-discuss@openindiana.org>, La lista de python en castellano <python-es@python.org>, python-madrid@googlegroups.com, Jesus Cea <jcea@jcea.es>, dtrace-discuss@opensolaris.org, python-list@python.org
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Hi Jesus

Just noticed that there is a python 2.7 package in Oracle's userland 
repo here:

<http://hg.openindiana.org/upstream/oracle/userland-gate/file/ea6a3f09379c/components/python/python27>

It includes DTrace patch. Did you see/use that?

Andrzej

On 24/11/2011 16:46, Jesus Cea wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hi all.
>
> I have spend some time trying to integrate DTrace probes in official
> Python: Currently I have a patch to python 2.7, and my plan in to
> integrate officially in 3.3.
>
> The initial probes were based on previous work from OpenSolaris, and
> similar, but currently I have quite a few more probes. Current details
> in
> <http://hg.jcea.es/cpython-2011/file/b1a39702dfd8/Doc/library/dtrace.rst>
>
> The probes are tested under Solaris 10 x86 and x86-64. I would need
> somebody to try on Solaris 10 Sparc (32 and 64 bits), Solaris 11,
> OpenIndiana, FreeBSD (seems to need a kernel recompilation to enable
> user mode tracing, check Google), Mac (I doubt it works as is), etc.,
> any other platform running DTrace. What about SystemTap compatibility?
>
> Details:<http://bugs.python.org/issue13405>
>
> How to check:<http://bugs.python.org/issue13405#msg147706>.
>
> The easier way to get the patch is to clone my repository at
> <https://hg.jcea.es/cpython-2011/>  (with mercurial) and move to the
> branch "dtrace-issue13405_2.7". Keep the clone around if you plan to
> try future versions of this patch, including the future 3.3 version.
>
> You can manually apply the patch in
> <http://bugs.python.org/file23758/a9f4ae43fd85.diff>  to python 2.7.2+
> sourcecode. The patch is developed against version 3c3009f63700
> (2011-11-14). It might not apply cleanly to 2.7.2 sourcecode (not
> checked). I will provide a direct patch to 2.7.3 when available. Maybe
> to 2.7.2 if there is demand.
>
> This is still work in progress. I will improve support with your
> feedback. I am considering probes to monitor GIL and thinking how to
> monitor C function calls from Python in an easy and fast way. Feedback
> very welcomed.
>
> Please, if you care about this, test it and provide some feedback :).
>
> PS: Better post feedback in the bug tracker that by personal email :-).
>
> - -- 
> Jesus Cea Avion                         _/_/      _/_/_/        _/_/_/
> jcea@jcea.es - http://www.jcea.es/     _/_/    _/_/  _/_/    _/_/  _/_/
> jabber / xmpp:jcea@jabber.org         _/_/    _/_/          _/_/_/_/_/
> .                              _/_/  _/_/    _/_/          _/_/  _/_/
> "Things are not so easy"      _/_/  _/_/    _/_/  _/_/    _/_/  _/_/
> "My name is Dump, Core Dump"   _/_/_/        _/_/_/      _/_/  _/_/
> "El amor es poner tu felicidad en la felicidad de otro" - Leibniz
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