flutter: returning from 'getVersion' after 13 ms
flutter: returning from 'callMethod getDartDevelopmentServiceVersion' after 1 ms
flutter: returning from 'getFlagList' after 12 ms
flutter: returning from 'getVM' after 59 ms
flutter: returning from 'getIsolate' after 198 ms
flutter: returning from 'streamListen' after 5 ms
flutter: returning from 'streamListen' after 5 ms
flutter: returning from 'streamListen' after 4 ms
flutter: returning from 'streamListen' after 22 ms
flutter: returning from 'streamListen' after 22 ms
flutter: returning from 'streamListen' after 37 ms
flutter: returning from 'streamListen' after 41 ms
flutter: returning from 'streamListen' after 42 ms
flutter: returning from 'streamListen' after 46 ms
flutter: returning from 'callServiceExtension ext.dart.io.httpEnableTimelineLogging' after 44 ms
flutter: returning from 'callServiceExtension ext.dart.io.socketProfilingEnabled' after 44 ms
flutter: returning from 'streamListen' after 46 ms
flutter: returning from 'callServiceExtension ext.flutter.didSendFirstFrameEvent' after 46 ms
flutter: returning from 'callServiceExtension ext.flutter.profileWidgetBuilds' after 46 ms
flutter: returning from 'callServiceExtension ext.flutter.timeDilation' after 44 ms
flutter: returning from 'callServiceExtension ext.flutter.showPerformanceOverlay' after 44 ms
flutter: returning from 'callMethod s0.flutterVersion' after 4 ms
[ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: Instance of 'LibraryNotFound'

flutter: returning from 'getIsolate' after 206 ms
flutter: returning from 'callServiceExtension _flutter.listViews' after 207 ms
flutter: returning from 'getScripts' after 891 ms
flutter: returning from 'callServiceExtension _flutter.getDisplayRefreshRate' after 985 ms
flutter: returning from 'setFlag' after 14 ms
flutter: returning from 'setVMTimelineFlags' after 14 ms
flutter: returning from 'getObject' after 16 ms
flutter: getSourceReport: (100) disabled in AOT mode and PRODUCT.
flutter: returning from 'getFlagList' after 537 ms
flutter: returning from 'getObject' after 530 ms
flutter: 8258 other calls to 'getObject' with an average response time 2691.622790021797 ms
flutter: returning from 'getIsolate' after 4618 ms
flutter: returning from 'getObject' after 4615 ms
flutter: 11263 other calls to 'getObject' with an average response time 2956.231465861671 ms
flutter: returning from '_getDartIOVersion' after 3780 ms
flutter: returning from 'getObject' after 65 ms
flutter: 1 other calls to 'getObject' with an average response time 6.0 ms
flutter: returning from 'httpEnableTimelineLogging' after 70 ms
flutter: returning from 'getObject' after 5 ms
flutter: returning from 'callServiceExtension _flutter.listViews' after 5 ms
flutter: returning from 'callServiceExtension _flutter.getDisplayRefreshRate' after 3 ms
flutter: returning from 'getVMTimelineMicros' after 4 ms
flutter: returning from 'getVMTimeline' after 492 ms

// 12 seconds later. This marks where the performance page (the first page to load in DevTools) becomes responsive.