profiling a C++ python extension

Emin.shopper Martinian.shopper emin.shopper at
Wed Jul 11 17:26:39 CEST 2007

Googling for "profiling python extensions" leads to the following link which
worked for me a while ago:

On 7/10/07, rasmus <matt.rasmus at> wrote:
> I have used gprof to profile stand alone C++ programs.  I am also
> aware of pure python profilers.  However, is there a way to get
> profile information on my C++ functions when they are compiled in a
> shared library (python extension module) and called from python.  From
> what I can tell, gmon.out will not be generated unless the entire
> executable (python interpreter) was compiled with -pg.  Is my only
> solution to recompile the python interpreter with -pg so that my
> extension module (also compiled with -pg) produces a gmon.out?
> Any suggestions or tips would be helpful.
> Matt
> --
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