# Perfetto - System profiling, app tracing and trace analysis Perfetto is a production-grade open-source stack for performance instrumentation and trace analysis. It offers services and libraries and for recording system-level and app-level traces, native + java heap profiling, a library for analyzing traces using SQL and a web-based UI to visualize and explore multi-GB traces. See https://docs.perfetto.dev or the /docs/ directory for documentation.