1 /* 2 * Copyright (C) 2011 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.commands.monkey; 18 19 import android.app.IActivityManager; 20 import android.util.Log; 21 import android.view.IWindowManager; 22 23 import java.io.FileWriter; 24 import java.io.IOException; 25 import java.io.InputStream; 26 import java.io.BufferedReader; 27 import java.io.InputStreamReader; 28 import java.text.DecimalFormat; 29 import java.util.regex.Pattern; 30 import java.util.regex.Matcher; 31 32 /** 33 * Events for running a special shell command to capture the frame rate. 34 * To run this test, the system property viewancestor.profile_rendering 35 * must be set to true to force the currently focused window to render at 36 * 60 Hz. 37 */ 38 public class MonkeyGetFrameRateEvent extends MonkeyEvent { 39 40 private String GET_FRAMERATE_CMD = "service call SurfaceFlinger 1013"; 41 private String mStatus; 42 private static long mStartTime; // in millisecond 43 private static long mEndTime; // in millisecond 44 private static float mDuration; // in seconds 45 private static String mTestCaseName = null; 46 private static int mStartFrameNo; 47 private static int mEndFrameNo; 48 49 private static final String TAG = "MonkeyGetFrameRateEvent"; 50 private static final String LOG_FILE = "/sdcard/avgFrameRateOut.txt"; 51 52 private static final Pattern NO_OF_FRAMES_PATTERN = 53 Pattern.compile(".*\\(([a-f[A-F][0-9]].*?)\\s.*\\)"); 54 MonkeyGetFrameRateEvent(String status, String testCaseName)55 public MonkeyGetFrameRateEvent(String status, String testCaseName) { 56 super(EVENT_TYPE_ACTIVITY); 57 mStatus = status; 58 mTestCaseName = testCaseName; 59 } 60 MonkeyGetFrameRateEvent(String status)61 public MonkeyGetFrameRateEvent(String status) { 62 super(EVENT_TYPE_ACTIVITY); 63 mStatus = status; 64 } 65 66 //Calculate the average frame rate getAverageFrameRate(int totalNumberOfFrame, float duration)67 private float getAverageFrameRate(int totalNumberOfFrame, float duration) { 68 float avgFrameRate = 0; 69 if (duration > 0) { 70 avgFrameRate = (totalNumberOfFrame / duration); 71 } 72 return avgFrameRate; 73 } 74 75 /** 76 * Calculate the frame rate and write the output to a file on the SD card. 77 */ writeAverageFrameRate()78 private void writeAverageFrameRate() { 79 FileWriter writer = null; 80 float avgFrameRate; 81 int totalNumberOfFrame = 0; 82 try { 83 writer = new FileWriter(LOG_FILE, true); // true = append 84 totalNumberOfFrame = mEndFrameNo - mStartFrameNo; 85 avgFrameRate = getAverageFrameRate(totalNumberOfFrame, mDuration); 86 writer.write(String.format("%s:%.2f\n",mTestCaseName,avgFrameRate)); 87 writer.close(); 88 } catch (IOException e) { 89 Log.w(TAG, "Can't write sdcard log file", e); 90 } finally { 91 try { 92 if (writer != null) writer.close(); 93 } catch (IOException e) { 94 Log.e(TAG, "IOException " + e.toString()); 95 } 96 } 97 } 98 99 // Parse the output of the surfaceFlinge shell command call getNumberOfFrames(String input)100 private String getNumberOfFrames(String input){ 101 String noOfFrames = null; 102 Matcher m = NO_OF_FRAMES_PATTERN.matcher(input); 103 if (m.matches()){ 104 noOfFrames = m.group(1); 105 } 106 return noOfFrames; 107 } 108 109 @Override injectEvent(IWindowManager iwm, IActivityManager iam, int verbose)110 public int injectEvent(IWindowManager iwm, IActivityManager iam, int verbose) { 111 java.lang.Process p = null; 112 BufferedReader result = null; 113 try { 114 p = Runtime.getRuntime().exec(GET_FRAMERATE_CMD); 115 int status = p.waitFor(); 116 if (status != 0) { 117 System.err.println(String.format("// Shell command %s status was %s", 118 GET_FRAMERATE_CMD, status)); 119 } 120 result = new BufferedReader(new InputStreamReader(p.getInputStream())); 121 122 //Only need the first line of the output 123 String output = result.readLine(); 124 125 if (output != null) { 126 if (mStatus == "start") { 127 mStartFrameNo = Integer.parseInt(getNumberOfFrames(output), 16); 128 mStartTime = System.currentTimeMillis(); 129 } else if (mStatus == "end") { 130 mEndFrameNo = Integer.parseInt(getNumberOfFrames(output), 16); 131 mEndTime = System.currentTimeMillis(); 132 long diff = mEndTime - mStartTime; 133 mDuration = (float)(diff/1000.0); 134 writeAverageFrameRate(); 135 } 136 } 137 } catch (Exception e) { 138 System.err.println("// Exception from " + GET_FRAMERATE_CMD + ":"); 139 System.err.println(e.toString()); 140 } finally { 141 try { 142 if (result != null) { 143 result.close(); 144 } 145 if (p != null) { 146 p.destroy(); 147 } 148 } catch (IOException e) { 149 System.err.println(e.toString()); 150 } 151 } 152 return MonkeyEvent.INJECT_SUCCESS; 153 } 154 }