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 com.android.car.util; 18 19 import android.util.TimingsTraceLog; 20 21 /** 22 * {@link TimingsTraceLog} with additional minimum duration. 23 * 24 * <p>Any interval shorter than it will be added to trace but will not have logcat. This can be 25 * useful to prevent log spam for short durations. 26 */ 27 public final class LimitedTimingsTraceLog extends TimingsTraceLog { 28 29 private final int mMinDurationMs; 30 31 /** 32 * Same as {@link TimingsTraceLog} except last argument {@code minDurationMs} which specifies 33 * the minimum duration to log the duration. 34 */ LimitedTimingsTraceLog(String tag, long traceTag, int minDurationMs)35 public LimitedTimingsTraceLog(String tag, long traceTag, int minDurationMs) { 36 super(tag, traceTag); 37 mMinDurationMs = minDurationMs; 38 } 39 40 @Override logDuration(String name, long timeMs)41 public void logDuration(String name, long timeMs) { 42 if (timeMs >= mMinDurationMs) { 43 super.logDuration(name, timeMs); 44 } 45 } 46 } 47