| // Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| /// VMOptions=--timeline_streams=VM,Isolate,GC,Dart --timeline_recorder=endless |
| /// VMOptions=--timeline_streams=VM,Isolate,GC,Dart --timeline_recorder=ring |
| /// VMOptions=--timeline_streams=VM,Isolate,GC,Dart --timeline_recorder=startup |
| /// VMOptions=--timeline_streams=VM,Isolate,GC,Dart --timeline_recorder=systrace |
| |
| import 'dart:developer'; |
| |
| void main() { |
| Timeline.startSync('A'); |
| |
| Timeline.instantSync('B'); |
| |
| var task = new TimelineTask(); |
| task.start('C'); |
| task.instant('D'); |
| task.finish(); |
| |
| Timeline.finishSync(); |
| } |