As PyPy is getting more and more usable, we need better tools to use to work on certain applications running on top of PyPy. Out of this interest, I spent some time implementing the _lsprof module, which is a part of the standard library since Python2.5. It is necessary for the cProfile module, which can profile Python programs with high accuracy and a lot less overhead than the older, pure-python profile module. Together with the excellent
lsprofcalltree script, you can display this data using kcachegrind, which gives you great visualization possibilities for your profile data.
Cheers,
fijal
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