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It works best on compiled programs.

We do try to support scripted languages with JITs that can emit info about what symbol is located where [1]. Notably, this more or less works for Node.js. It'll work somewhat for Python in that you'll see the Python interpreter frames (probably uninteresting), but you will see any ffi calls (e.g., numpy) with proper stacks.

[1]: https://github.com/torvalds/linux/blob/master/tools/perf/Doc...




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