[bobbyi]

Theres also Py Spy, a profiling tool that can generate flame charts containing a mix of python and C (or C++) calls.

https://github.com/benfred/py-spy

It's worked really well for my needs

[misnome]

py-spy also makes it very easy to scrape from existing processes, which is invaluable if you are e.g. ever trying to diagnose a deadlock