Python also has fast statistical profiling (Score 1)

Python also has fast statistical profiling. For example, see projects like the following.

• https://github.com/emin63/ox_profile
• https://pypi.org/project/statprof/
• https://github.com/bdarnell/plop
• https://github.com/uber/pyflame

Statistical profiling lets you tune the overhead vs accuracy. By turning the overhead down low enough (e.g., by not sampling very frequently), you can be profiling your production code all the time and get very accurate data about what parts of your program are slow in real use cases.