runtime/lib/timeline.dart

// Copyright (c) 2015, 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.

@patch bool _isDartStreamEnabled() native "Timeline_isDartStreamEnabled";

@patch int _getTraceClock() native "Timeline_getTraceClock";

@patch int _getThreadCpuClock() native "Timeline_getThreadCpuClock";

@patch int _getNextAsyncId() native "Timeline_getNextAsyncId";

@patch int _getIsolateNum() native "Timeline_getIsolateNum";

@patch void _reportTaskEvent(
     int start,
     int taskId,
     String phase,
     String category,
     String name,
     String argumentsAsJson) native "Timeline_reportTaskEvent";

@patch void _reportCompleteEvent(
     int start,
     int end,
     String category,
     String name,
     String argumentsAsJson) native "Timeline_reportCompleteEvent";

@patch void _reportInstantEvent(
     int start,
     String category,
     String name,
     String argumentsAsJson) native "Timeline_reportInstantEvent";