metrics: Remove period_type from Wattson metrics Remove period_type from Wattson metrics since the metrics specified during the input will indicate the type of period, whether it be full trace, between markers, app startup, or some other window not yet defined. Test: tools/diff_test_trace_processor.py out/linux/trace_processor_shell --name-filter '.*wattson.*' Bug: 352627297 Change-Id: I26282011c4fe009b48cf34528498d8ae1b1538aa Signed-off-by: Samuel Wu <wusamuel@google.com>
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.