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profile sampling does not handle KeyboardInterrupt #141999

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stdlibStandard Library Python modules in the Lib/ directorytopic-profilingtype-bugAn unexpected behavior, bug, or error
@yihong0618

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@yihong0618

Bug report

Bug description:

➜  cpython git:(hy/handle_ctrl_c_in_sampling) sudo ./python.exe -m profiling.sampling run -d 99999 -m testPassword:== CPython 3.15.0a2+ free-threading build (heads/main-dirty:bc9e63dd9d, Nov 27 2025, 09:14:30) [Clang 17.0.0 (clang-1700.0.13.5)]== macOS-26.1-arm64-arm-64bit-Mach-O little-endian== Python build: free_threading release== cwd: /Users/hyi/prs/cpython/build/test_python_worker_57706æ== CPU count: 8== encodings: locale=UTF-8 FS=utf-8== resources: all test resources are disabled, use -u option to unskip testsUsing random seed: 9118128340:00:00 load avg: 3.47 Run 497 tests sequentially in a single process0:00:00 load avg: 3.47 [  1/497] test.test_asyncio.test_base_events0:00:01 load avg: 3.47 [  1/497] test.test_asyncio.test_base_events passed0:00:01 load avg: 3.47 [  2/497] test.test_asyncio.test_buffered_proto0:00:01 load avg: 3.47 [  2/497] test.test_asyncio.test_buffered_proto passed0:00:01 load avg: 3.47 [  3/497] test.test_asyncio.test_context0:00:01 load avg: 3.47 [  3/497] test.test_asyncio.test_context passed0:00:01 load avg: 3.47 [  4/497] test.test_asyncio.test_eager_task_factory^CTraceback (most recent call last):  File "<frozen runpy>", line 198, in _run_module_as_main  File "<frozen runpy>", line 88, in _run_code  File "/Users/hyi/prs/cpython/Lib/profiling/sampling/__main__.py", line 64, in <module>    main()    ~~~~^^  File "/Users/hyi/prs/cpython/Lib/profiling/sampling/cli.py", line 525, in main    handler(args)    ~~~~~~~^^^^^^  File "/Users/hyi/prs/cpython/Lib/profiling/sampling/cli.py", line 601, in _handle_run    collector = sample(        process.pid,    ...<6 lines>...        gc=args.gc,    )  File "/Users/hyi/prs/cpython/Lib/profiling/sampling/sample.py", line 228, in sample    profiler.sample(collector, duration_sec)    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^  File "/Users/hyi/prs/cpython/Lib/profiling/sampling/sample.py", line 65, in sample    current_time = time.perf_counter()KeyboardInterrupt

seems its better just print the result when KeyboardInterrupt(ctrl+c)

CPython versions tested on:

CPython main branch

Operating systems tested on:

macOS

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    stdlibStandard Library Python modules in the Lib/ directorytopic-profilingtype-bugAn unexpected behavior, bug, or error

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