liyuqian e77237d6d3
Reland "Fix the first frame logic in tracing and driver (#35297)" (#37192)
This relands https://github.com/flutter/flutter/pull/35297

The followings have been done to fix the broken tests:
  1. Add `didSendFirstFrameRasterizedEvent` extension and its tests
  2. Wait for `didSendFirstFrameRasterizedEvent` instead of
     `didSendFirstFrameEvent` during start up tests
  3. Mark missed (probably newly added) start up tests as flaky
2019-07-31 11:01:52 -07:00
..

complex_layout

Scrolling benchmark

To run the scrolling benchmark on a device:

flutter drive --profile test_driver/scroll_perf.dart

Results should be in the file build/complex_layout_scroll_perf.timeline_summary.json.

More detailed logs should be in build/complex_layout_scroll_perf.timeline.json.

Startup benchmark

To measure startup time on a device:

flutter run --profile --trace-startup

Results should be in the logs.

Additional results should be in the file build/start_up_info.json.