/* * Copyright (c) 2022 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import bytrace from '@ohos.bytrace'; export class TraceControllerUtils { // Used to track the start of sequential tasks public static startTrace(name: string): void { bytrace.startTrace(name, 1); } // Used to track the end of sequential tasks. The name must be the same as that at start public static finishTrace(name: string): void { bytrace.finishTrace(name, 1); } // Used to track the start of cross tasks // (scenarios where the next task starts before the previous task is finished) public static startTraceWithTaskId(name: string, taskId: number): void { bytrace.startTrace(name, taskId); } // Used to track the end of cross tasks. The name and taskid must be the same as at start public static finishTraceWithTaskId(name: string, taskId: number): void { bytrace.finishTrace(name, taskId); } }