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.perfetto.cts.app; 18 19 import android.app.Activity; 20 import android.os.Bundle; 21 22 import java.util.TreeMap; 23 24 public class JavaAllocActivity extends Activity { 25 @Override onCreate(Bundle state)26 public void onCreate(Bundle state) { 27 super.onCreate(state); 28 29 new Thread(new Runnable() { 30 public void run() { 31 try { 32 runAllocationLoop(); 33 } catch (Exception ex) { 34 ex.printStackTrace(); 35 } 36 } 37 }).start(); 38 } 39 40 private static TreeMap treeMap = new TreeMap(); 41 private static long index = 0; 42 runAllocationLoop()43 private static void runAllocationLoop() { 44 for (;;) { 45 for (int i = 0; i < 1000; i++) { 46 Object o = new Object(); 47 treeMap.put(++index, o); 48 } 49 try { 50 Thread.sleep(10); 51 } catch (InterruptedException ignored) { 52 } 53 treeMap.clear(); 54 } 55 } 56 } 57