py-spy
A sampling profiler for Python programs written in Rust.
Pricing
See website
Flat rate
Adoption
→StableLicense
Open Source
Data freshness
—Overview
What is py-spy?
Py-Spy is a low-overhead sampling profiler that helps developers understand the performance characteristics of their Python applications. It provides insights into where time is being spent, making it easier to optimize and debug code.
Key differentiator
“Py-Spy stands out for its low-overhead and ability to attach to running processes without restarting them, making it ideal for production environments where minimal disruption is critical.”
Capability profile
Strength Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
Fit analysis
Who is it for?
✓ Best for
Developers who need to optimize the performance of their Python applications without significant overhead.
Teams working in production environments where profiling must be non-intrusive.
Individuals or teams looking for a tool that can attach to running processes and provide real-time insights.
✕ Not a fit for
Projects requiring detailed line-by-line analysis as py-spy is a sampling profiler.
Applications written in languages other than Python, as it only supports profiling Python programs.
Cost structure
Pricing
Free Tier
None
Starts at
See website
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Next step
Get Started with py-spy
Step-by-step setup guide with code examples and common gotchas.