Python/Profilers: Difference between revisions
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tail -f /var/log/syslog | python3 -m cProfile -s cumtime /usr/local/bin/lolcat | tail -f /var/log/syslog | python3 -m cProfile -s cumtime /usr/local/bin/lolcat | ||
import cProfile | |||
import re | |||
cProfile.run('re.compile("foo|bar")') | |||
Save to file: | |||
import cProfile | |||
import re | |||
cProfile.run('re.compile("foo|bar")', 'restats.txt') |
Latest revision as of 07:55, 4 August 2024
Python Profiling with Profilers
https://docs.python.org/3/library/profile.html
The files cProfile and profile can also be invoked as a script to profile another script. For example:
python -m cProfile [-o output_file] [-s sort_order] (-m module | myscript.py)
Sort order
-s See https://docs.python.org/3/library/profile.html#pstats.Stats.sort_stats 'cumulative' SortKey.CUMULATIVE cumulative time 'cumtime' N/A cumulative time
-r reverse # put at bottom
---
tail -f /var/log/syslog | python3 -m profile -s cumtime /usr/local/bin/lolcat
tail -f /var/log/syslog | python3 -m cProfile -s cumtime /usr/local/bin/lolcat
import cProfile import re cProfile.run('re.compile("foo|bar")')
Save to file:
import cProfile import re cProfile.run('re.compile("foo|bar")', 'restats.txt')