User:Ema/Profiling Python

Generating profile data

$ python -m cProfile -o out.profile whatever.py

Analysis

import pstats
p = pstats.Stats('out.profile')
p.sort_stats('cumulative').print_stats(10)

GUI

$ runsnakerun out.profile

Call graphs

$ pyprof2calltree -k -i myscript.cprof

See also

• https://docs.python.org/2/library/profile.html
• https://pypi.python.org/pypi/pyprof2calltree
• https://julien.danjou.info/blog/2015/guide-to-python-profiling-cprofile-concrete-case-carbonara