Py-spy

Sampling profiler for Python programs

Usage

py-spy works from the command line and takes either the PID of the program you want to sample from or the command line of the python program you want to run. py-spy has three subcommands record, top and dump:

record

py-spy supports recording profiles to a file using the record command. For example, you can generate a flame graph of your python process by going:

py-spy record -o profile.svg --pid 12345
# OR
py-spy record -o profile.svg -- python myprogram.py

See also

• Python
• Python:PerformanceTunning
• cProfile

Favorite site

• Github - benfred/py-spy
• (Python 프로파일링) py-spy와 yappi로 파이썬 코드 성능 분석하기 — 끄적끄적 코딩 공방