monitor threads in python

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monitor threads in python

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Last edited Oct 3, 2024

Created on Dec 11, 2025

This example monitors the runtime behavior of threads in a Python application. It periodically displays the number of active threads, along with each thread's name, ID, and current call stack. The visualization uses the `sys._current_frames()` API to capture stack frames and `traceback.extract_stack()` to format them for logging. A daemon thread controls the monitoring loop, printing updates every five seconds using Python's `logging` module.

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