pyprof2calltree

import cProfile import os from pyprof2calltree import convert, visualize def my_expensive_function(): total = 0 for i in range(1_000_000): total += i * i return total def main_app_logic(): _ = my_expensive_function() return "Done profiling." profiler = cProfile.Profile() profiler.enable() main_app_logic() profiler.disable() # Option 1: Save to a file for later viewing output_filename = 'profiling_results.kgrind' with open(output_filename, 'w') as f: convert(profiler.getstats(), f) print(f"Profiling data saved to {output_filename}. Open with kcachegrind {output_filename}") # Option 2: Directly visualize (requires kcachegrind in PATH) # try: # visualize(profiler.getstats()) # print("KCachegrind launched with profiling data.") # except Exception as e: # print(f"Could not launch KCachegrind directly: {e}. Ensure it's installed and in your PATH.") # Example of running a script directly and converting via command line: # 1. python -m cProfile -o my_app.prof your_script.py # 2. pyprof2calltree -i my_app.prof -o callgrind.out