GH-140643: Add <native> and <GC> frames to the sampling profiler
#141108
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−107
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… in the sampling profiler - Introduce a new field in the GC state to store the frame that initiated garbage collection. - Update RemoteUnwinder to include options for including "<native>" and "<GC>" frames in the stack trace. - Modify the sampling profiler to accept parameters for controlling the inclusion of native and GC frames. - Enhance the stack collector to properly format and append these frames during profiling. - Add tests to verify the correct behavior of the profiler with respect to native and GC frames, including options to exclude them.
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Example flamegraph from one of the tests:
📚 Documentation preview 📚: https://cpython-previews--141108.org.readthedocs.build/