E pur si muove

Coding started

Sunday, July 10, 2005
Profile wrapper

So the plan is to wrap hotshot so it can behave exactly as the profile module. It will be a bit tricky as some things of the old profile module don't make sense anymore in hotshot.

Hotshot - Memory allocation

So I have been learning a lot the last couple of days about how profilers in python work. And now I have a clue of how the _hotshot module -the C module of hotshot which does all the work- works. In the process I noticed at least one unchecked malloc() use! And that while the Python documentation actually asks to use the python heap (by using PyMem_Malloc()) as that is managed by the python memory manager and can keep track of how much memory is used.

Missing Docs rant

While figuring out how hotshot does it's work I stumbled across some PyFrame_* calls. Of course there is no documentation to find about this. Sigh. And that while Python is always so well documented! I also saw some PyEval_* calls which are undocumented. At least some of the PyEval_* calls are in the documentation, just not the ones used. Great.

Sunday, July 10, 2005 |


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