tp: decouple nullable vector from column storage This allows for splitting nullable vs non-nullable storage in a follow up CL. Bug: 235104800 Change-Id: I168f907318104bb82588271c38817af52d2d3dd3
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.
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