ui: Make Plugin.onActivate() method optional Currently, plugins require an onActivate() method, but most plugins don't actually need to do anything inside this hook so they define it and just leave it empty. This CL removes this requirement and removes any empty implementations in plugins. Change-Id: I1b4bb4aa2a2c633bd5b0c388c77384e54c269b63
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.