Python 3.15 will include a new sampling profilerdocs.python.org 4 pointsnicolasp10 months ago1 commentSaveHideCopy link On HNComments−nicolaspOP10moKey features include:* Zero-overhead profiling: Attach to any running Python process without affecting its performance* No code modification required: Profile existing applications without restart* Real-time statistics: Monitor sampling quality during data collection* Multiple output formats: Generate both detailed statistics and flamegraph data* Thread-aware profiling: Option to profile all threads or just the main thread
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Key features include:
* Zero-overhead profiling: Attach to any running Python process without affecting its performance
* No code modification required: Profile existing applications without restart
* Real-time statistics: Monitor sampling quality during data collection
* Multiple output formats: Generate both detailed statistics and flamegraph data
* Thread-aware profiling: Option to profile all threads or just the main thread