py-spy

A sampling profiler for Python programs.

TLDR

Show a live view of the functions that take the most execution time of a running process

$ py-spy top --pid [pid]
copy


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]
copy


Produce an SVG flame graph of the function call execution time
$ py-spy record -o [path/to/profile.svg] --pid [pid]
copy


Dump the call stack of a running process
$ py-spy dump --pid [pid]
copy

Copied to clipboard