Fix `undefined undefined` showing up in slice details in the UI. Change-Id: Id31f7400ccfc1a3af807f6f5b0d92d1e82d936dd
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.