tldr/pages/common/py-spy.md

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2021-10-06 14:28:40 +01:00
# py-spy
> A sampling profiler for Python programs.
> More information: <https://github.com/benfred/py-spy>.
- Show a live view of the functions that take the most execution time of a running process:
`py-spy top --pid {{pid}}`
- Start a program and show a live view of the functions that take the most execution time:
`py-spy top -- python {{path/to/file.py}}`
- Produce an SVG flame graph of the function call execution time:
`py-spy record -o {{path/to/profile.svg}} --pid {{pid}}`
- Dump the call stack of a running process:
`py-spy dump --pid {{pid}}`