1 /* 2 * Copyright (C) 2017 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 test.windowmanagerstresstest; 18 19 import android.app.Activity; 20 import android.graphics.Rect; 21 import android.os.Bundle; 22 import android.os.RemoteException; 23 import android.os.SystemClock; 24 import android.util.Log; 25 import android.util.MergedConfiguration; 26 import android.view.Display; 27 import android.view.IWindowSession; 28 import android.view.Surface; 29 import android.view.View; 30 import android.view.WindowManager; 31 import android.view.WindowManager.LayoutParams; 32 import android.view.WindowManagerGlobal; 33 import android.widget.TextView; 34 35 import com.android.internal.view.BaseIWindow; 36 37 import java.util.ArrayList; 38 39 public class MainActivity extends Activity { 40 41 private static final String TAG = "WmSlam"; 42 43 private TextView mOutput; 44 private volatile boolean finished; 45 private final ArrayList<BaseIWindow> mWindows = new ArrayList<>(); 46 private final LayoutParams mLayoutParams = new LayoutParams(); 47 private final Rect mTmpRect = new Rect(); 48 49 @Override onCreate(Bundle savedInstanceState)50 protected void onCreate(Bundle savedInstanceState) { 51 super.onCreate(savedInstanceState); 52 setContentView(R.layout.activity_main); 53 mOutput = (TextView) findViewById(R.id.output); 54 55 findViewById(R.id.run).setOnClickListener(view -> { 56 view.setEnabled(false); 57 mOutput.setText(""); 58 startBatch(); 59 }); 60 mLayoutParams.token = getActivityToken(); 61 } 62 startBatch()63 void startBatch() { 64 new Thread(() -> { 65 finished = false; 66 addWindows(); 67 startCpuRunnables(); 68 for (int i = 0; i < 5; i++) { 69 final long time = SystemClock.uptimeMillis(); 70 slamWm(); 71 log("Total: " + (SystemClock.uptimeMillis() - time) + " ms"); 72 } 73 removeWindows(); 74 finished = true; 75 }).start(); 76 } 77 startCpuRunnables()78 void startCpuRunnables() { 79 for (int i = 0; i < 10; i++) { 80 new Thread(mUseCpuRunnable).start(); 81 } 82 } 83 84 private final Runnable mUseCpuRunnable = new Runnable() { 85 @Override 86 public void run() { 87 while (!finished) { 88 } 89 } 90 }; 91 log(String text)92 private void log(String text) { 93 mOutput.post(() -> mOutput.append(text + "\n")); 94 Log.d(TAG, text); 95 } 96 slamWm()97 private void slamWm() { 98 ArrayList<Thread> threads = new ArrayList<>(); 99 for (int i = 0; i < 20; i++) { 100 for (BaseIWindow window : mWindows) { 101 Thread t = new Thread(() -> { 102 try { 103 WindowManagerGlobal.getWindowSession().relayout(window, 104 window.mSeq, mLayoutParams, -1, -1, View.VISIBLE, 0, mTmpRect, 105 mTmpRect, mTmpRect, mTmpRect, mTmpRect, mTmpRect, mTmpRect, 106 new MergedConfiguration(), new Surface()); 107 } catch (RemoteException e) { 108 e.printStackTrace(); 109 } 110 }); 111 threads.add(t); 112 t.start(); 113 } 114 } 115 for (Thread t : threads) { 116 try { 117 t.join(); 118 } catch (InterruptedException e) { 119 e.printStackTrace(); 120 } 121 } 122 } 123 addWindows()124 void addWindows() { 125 for (int i = 0; i < 50; i++) { 126 final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams(); 127 layoutParams.token = getActivityToken(); 128 final BaseIWindow window = new BaseIWindow(); 129 final IWindowSession session = WindowManagerGlobal.getWindowSession(); 130 final Rect tmpRect = new Rect(); 131 try { 132 final int res = session.addToDisplayWithoutInputChannel(window, window.mSeq, layoutParams, 133 View.VISIBLE, Display.DEFAULT_DISPLAY, tmpRect, tmpRect); 134 } catch (RemoteException e) { 135 e.printStackTrace(); 136 } 137 mWindows.add(window); 138 } 139 } 140 removeWindows()141 void removeWindows() { 142 for (BaseIWindow window : mWindows) { 143 try { 144 WindowManagerGlobal.getWindowSession().remove(window); 145 } catch (RemoteException e) { 146 e.printStackTrace(); 147 } 148 } 149 } 150 } 151