How can I profile a multithread program in Python?

Question

I\'m developing an inherently multithreaded module in Python, and I\'d like to find out where it\'s spending its time. cProfile only seems to profile the main thread. Is the

Answer 1

Check out mtprof from the Dask project:

https://github.com/dask/mtprof

It's a drop-in replacement for cProfile that, if your threads are launched in the usual way and complete before your main thread, will roll-up their stats into the same reporting stats. Worked like a charm for me.