1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.car.builtin.util; 18 19 import android.annotation.NonNull; 20 import android.annotation.SystemApi; 21 import android.car.builtin.annotation.AddedIn; 22 import android.car.builtin.annotation.PlatformVersion; 23 24 /** 25 * Wrapper class for {@code android.util.TimingsTraceLog}. Check the class for API documentation. 26 * @hide 27 */ 28 @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES) 29 public class TimingsTraceLog { 30 31 private final android.util.TimingsTraceLog mTimingsTraceLog; 32 TimingsTraceLog(@onNull String tag, long traceTag)33 public TimingsTraceLog(@NonNull String tag, long traceTag) { 34 mTimingsTraceLog = new android.util.TimingsTraceLog(tag, traceTag); 35 } 36 37 /** Check {@code android.util.Slog}. */ 38 @AddedIn(PlatformVersion.TIRAMISU_0) traceBegin(@onNull String name)39 public void traceBegin(@NonNull String name) { 40 mTimingsTraceLog.traceBegin(name); 41 } 42 43 /** Check {@code android.util.Slog}. */ 44 @AddedIn(PlatformVersion.TIRAMISU_0) traceEnd()45 public void traceEnd() { 46 mTimingsTraceLog.traceEnd(); 47 } 48 49 /** Check {@code android.util.Slog}. */ 50 @AddedIn(PlatformVersion.TIRAMISU_0) logDuration(@onNull String name, long timeMs)51 public void logDuration(@NonNull String name, long timeMs) { 52 mTimingsTraceLog.logDuration(name, timeMs); 53 } 54 } 55