Python Profilers

The following table lists many popular and actively maintained Python Profilers. This page will be updated in the future with more information about the different profilers, and most of them will also get their own posts with a more detailed analysis later.

Profiler	Link	Time	Mem	Viz	Type	Other
cProfile			✗	✗	instrumenting	Viz via SnakeViz or Tuna
py-spy			✗		sampling
memray		✗			instrumenting
Scalene					sampling	also GPU time
Austin					sampling	can also be used with pprof
pyinstrument			✗		sampling
line_profiler			✗	✗	instrumenting
Fil		✗			instrumenting
Guppy3		✗		✗	instrumenting
Yappi			✗	✗	instrumenting
Palanteer					instrumenting	also supports C++
vprof					sampling
VizTracer			✗		instrumenting
sciagraph					sampling	proprietary profiler

Others

• Pyroscope is a continuous profiling platform with a Python client , currently merging with Grafana Phlare.
• Memory Profiler is a sampling memory profiler, but not actively maintained anymore.
• Pyflame , an archived sampling time profiler.

#python #profilers