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Reverts: flutter/flutter#150733 Initiated by: gmackall Reason for reverting: This breaks apps that use plugins that use `compileSdk` 31, some of which we use in our postsubmit (so it blocks the tree). Original PR Author: gmackall Reviewed By: {jason-simmons} This change reverts the following previous change: Manual engine roll to https://github.com/flutter/engine/pull/53532, because the roll requires lockfile generation.
platform_views_layout_hybrid_composition
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/platform_views_scroll_perf_hybrid_composition.timeline_summary.json
.
More detailed logs should be in build/platform_views_scroll_perf_hybrid_composition.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
.