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Un-nest sceneBuildDuration and windowRenderDuration in web SceneBuilderRecorder - #193260
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This pull request refactors the SceneBuilderRecorder to profile scene building synchronously and window rendering asynchronously. The review feedback points out that the outer drawFrameDuration profiling call is not awaited, which can lead to premature frame measurement completion and lint warnings. Additionally, it is suggested to simplify the code by directly assigning the return value of the synchronous profiling call to the scene variable instead of using a late final declaration.
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Maybe you'll want to keep an eye on the benchmark page for a while to ensure that this does not impact the baseline. |
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LGTM, also need someone from web team to confirm this is what the test is supposed do
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…#13060) Manual roll Flutter from 4fcd90be0045 to c5a061b18fa2 (222 revisions) Manual roll requested by [email protected] flutter/flutter@4fcd90b...c5a061b 2026-09-28 [email protected] [cross imports] navigator_test.dart (flutter/flutter#190954) 2026-09-28 [email protected] Revert: Reland: Only render views that need to be rendered (flutter/flutter#193360) 2026-09-28 [email protected] ci(bringup): android_intent_security_test is green (flutter/flutter#193469) 2026-09-28 [email protected] Sync CHANGELOG.md from stable (flutter/flutter#193020) 2026-09-28 [email protected] Roll Fuchsia Linux SDK from ukukV5lEkKabtOATk... to QdgqP02_cYpRQQQNN... (flutter/flutter#193454) 2026-09-28 [email protected] Roll pub packages (flutter/flutter#193460) 2026-09-28 [email protected] Un-nest sceneBuildDuration and windowRenderDuration in web SceneBuilderRecorder (flutter/flutter#193260) 2026-09-28 [email protected] Fix unresolved doc comment references in dev/integration_tests and dev/benchmarks (flutter/flutter#193433) 2026-09-28 [email protected] Roll Packages from e55e7ac to ba0364a (9 revisions) (flutter/flutter#193450) 2026-09-28 [email protected] [tool] Require explicit dependency injection for FlutterDevice and FlutterDevice.create (flutter/flutter#192830) 2026-09-28 [email protected] Roll pub packages (flutter/flutter#193442) 2026-09-28 [email protected] [flutter_tools] Include data assets from hooks when pubspec.yaml is empty (flutter/flutter#193434) 2026-09-28 [email protected] Roll pub packages (flutter/flutter#193438) 2026-09-28 [email protected] Fix unresolved doc comment references in Material and Cupertino (flutter/flutter#193283) 2026-09-28 [email protected] Fix doc references to Material and Cupertino in the widgets library and its tests (flutter/flutter#193334) 2026-09-26 [email protected] wasm: enforce WasmGC opt-in capability checks and Firefox < 147 guard (flutter/flutter#193180) 2026-09-26 [email protected] [Android] Refuse external setters of engine entrypoint and cached engine arguments via `Intent`s (flutter/flutter#190249) 2026-09-26 [email protected] [web] Unskip TextPainter.getWordBoundary test (flutter/flutter#193378) 2026-09-26 [email protected] Specify non-obvious types in pattern variable declarations (flutter/flutter#192632) 2026-09-26 [email protected] Removes feedback loop from advanced filters without offscreen msaa and framebufferfetch (flutter/flutter#193306) 2026-09-26 [email protected] [web] Unskip 8 passing image tests in painting and rendering (flutter/flutter#193377) 2026-09-26 [email protected] Revert: Allow resetting test invariants in `addTearDown` (flutter/flutter#193383) 2026-09-25 [email protected] [tool] Migrate CoverageCollector to modular dependency injection (flutter/flutter#192924) 2026-09-25 [email protected] Fix more unresolved doc comment references (flutter/flutter#193336) 2026-09-25 [email protected] Allow resetting test invariants in `addTearDown` (flutter/flutter#192082) 2026-09-25 [email protected] [a11y] Add a semantics role for slider (flutter/flutter#193324) 2026-09-25 [email protected] Fix plugin tests after Pigeon plugin template changes (flutter/flutter#193302) 2026-09-25 [email protected] [Android 17] Bump Standard Test Apps in flutter/flutter to AGP 9.3.1 (flutter/flutter#193263) 2026-09-25 [email protected] SSBO-based gradients in UberSDF (flutter/flutter#192962) 2026-09-25 [email protected] [Linux] Handle FlView being destroyed before rendering is complete. (flutter/flutter#193268) 2026-09-25 [email protected] [flutter_tools] Handle Windows reserved characters in test target path (flutter/flutter#191900) 2026-09-25 [email protected] docs(tools): nit: say hook/build.dart in CMake native assets comment (flutter/flutter#192205) 2026-09-25 [email protected] [web] Enable Firefox Skwasm UI CI suites, configure COI configs, and fail fast on loader rejections (flutter/flutter#193187) 2026-09-25 [email protected] [Android 17] Bumped Engine Dependencies to 9.3.1 (flutter/flutter#193265) 2026-09-25 [email protected] [web] Omit group role on menu scrollables and assign region role to named routes (flutter/flutter#192965) 2026-09-25 [email protected] Roll Skia from 8eedeed98e79 to f441ca223b2b (5 revisions) (flutter/flutter#193353) 2026-09-25 [email protected] Roll Fuchsia Linux SDK from EbPpoJW-Lnsu-8dyZ... to ukukV5lEkKabtOATk... (flutter/flutter#193326) 2026-09-25 [email protected] Roll Packages from 431ea69 to e55e7ac (6 revisions) (flutter/flutter#193351) 2026-09-25 [email protected] Support DynamicLibrary.codeAsset in Flutter (flutter/flutter#188947) 2026-09-25 [email protected] Roll Dart SDK from 75d9e87d4e3d to 0e7642b85457 (1 revision) (flutter/flutter#193346) 2026-09-25 [email protected] Exclude iOS PRs from macOS link (flutter/flutter#193315) 2026-09-25 [email protected] Roll Skia from 6357608543ec to 8eedeed98e79 (4 revisions) (flutter/flutter#193341) 2026-09-25 [email protected] Roll Dart SDK from d3aedb186aab to 75d9e87d4e3d (3 revisions) (flutter/flutter#193335) 2026-09-25 [email protected] Cache the paint offset adjusted line metrics in TextPainter (flutter/flutter#191223) ...
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Splits out the
dev/benchmarks/macrobenchmarks/lib/src/web/recorder.dartfix from #193135 per review discussion (#193135 (comment)).Previously,
SceneBuilderRecorder.onDrawFramenested_profile!.recordAsync('windowRenderDuration', ...)inside synchronous_profile!.record('sceneBuildDuration', ...)without awaitingrecordAsync, which both triggeredunawaited_futuresand causedsceneBuildDurationto include the synchronous portion ofwindowRenderDuration. This PR un-nests the two recordings and makesonDrawFrameasyncsosceneBuildDurationonly measuressceneBuilder.build()andwindowRenderDurationis properly awaited.