[docs] Add docs on debug slices Adds a new "Perfetto UI" under a new "Trace Visualization" section. It contains a very short blurb about Perfetto UI, but also a "UI Tips and Tricks" section with documentation on how to use debug slices. Change-Id: I56ea9041e9ce4ae4665051e6b94996aac22ce295
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://perfetto.dev/docs or the /docs/ directory for documentation.