« All posts

Lessons Learned Building High-Performance Rust Profiler

Hotpath-rs is a new profiling tool for Rust, aimed at quickly identifying performance bottlenecks.

The Rust performance book includes numerous profiling tools, yet I dedicated over six months to developing hotpath-rs. This article outlines the design decisions behind the library and the performance challenges faced during its creation. Hotpath is designed as an all-in-one Rust profiler and debugging toolkit to quickly identify performance bottlenecks.

This synthesis was produced from its source by AI; there is no human editor or manual review step. How we work