flamegraph is a command-line tool that generates flamegraphs for Rust projects and other applications without requiring Perl or complex piping.
Flamegraphs visualize where a program spends its execution time by showing a hierarchical breakdown of function calls and their relative CPU consumption. The tool simplifies the traditional flamegraph workflow by wrapping the underlying profiling infrastructure into a single, easy-to-use command. Rather than manually orchestrating multiple tools and scripts, developers can generate publication-ready flamegraphs directly from their Rust binaries or other executables.
The tool suits developers who want to profile performance bottlenecks in Rust applications without wrestling with shell pipelines or installing Perl dependencies. It works well for both development-time optimization and production profiling scenarios. The project is particularly valuable for teams already working in Rust who want a frictionless profiling experience that integrates naturally with the Rust ecosystem.
The project maintains a steady stream of issue responses and pull request reviews, with maintainers actively engaging with user questions and bug reports. Development includes regular updates to handle changes in underlying profiling tools and the Rust ecosystem. The codebase receives ongoing refinement through both bug fixes and feature additions that expand its capabilities.