John McDole 499c84cbf8
Fix flaky complex_layout_scroll_perf__memory test (#150287)
Initial tap is missing sometimes; either its never delivered or it is delivered before gesture controller is hooked up.

1: Update the two perf tests to output when TAPPED is received
2: Update the MemoryTest to keep tapping while waiting for TAPPED

Tested on devicelab:
* setting iterations=1
* removing the timeout before READY
* running tests in a while loop

Before this change, you could get the test to hang often. After this change you'll see "tapping device... [x]" where x is the counter.

Fixes #150096
2024-06-15 00:55:05 +00:00
..
2024-06-14 18:19:41 +00:00

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

The results should be in the logs.

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