| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.uiautomator.platform; |
| |
| import android.os.Bundle; |
| import android.os.Environment; |
| import android.util.Log; |
| |
| import com.android.uiautomator.core.UiDevice; |
| import com.android.uiautomator.testrunner.UiAutomatorTestCase; |
| |
| import java.io.BufferedWriter; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.util.Properties; |
| |
| /** |
| * Helper class for jankiness test. |
| * All the jank test must extend the JankBaseHelper |
| */ |
| public class JankTestBase extends UiAutomatorTestCase { |
| protected UiDevice mDevice; |
| protected BufferedWriter mWriter = null; |
| protected BufferedWriter mStatusWriter = null; |
| protected int mIteration = 1; // default iteration is set 1 |
| protected Bundle mParams; |
| protected String mTestCaseName; |
| protected int mSuccessTestRuns = 0; |
| |
| private final static String TAG = "BasePerformance"; |
| // holds all params for the derived tests |
| private final static String PROPERTY_FILE_NAME = "UiJankinessTests.conf"; |
| private final static String PARAM_CONFIG = "conf"; |
| private final static String LOCAL_TMP_DIR = "/data/local/tmp/"; |
| // File that hold the test results |
| private static String OUTPUT_FILE_NAME = LOCAL_TMP_DIR + "UiJankinessTestsOutput.txt"; |
| // File that hold test status, e.g successful test iterations |
| private static String STATUS_FILE_NAME = LOCAL_TMP_DIR + "UiJankinessTestsStatus.txt"; |
| private static int SUCCESS_THRESHOLD = 80; |
| private static boolean DEBUG = false; |
| |
| /* Array to record jankiness data in each test iteration */ |
| private int[] jankinessArray; |
| /* Array to record frame rate in each test iteration */ |
| private double[] frameRateArray; |
| /* Array to save max accumulated frame number in each test iteration */ |
| private int[] maxDeltaVsyncArray; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mDevice = UiDevice.getInstance(); |
| |
| mWriter = new BufferedWriter(new FileWriter(new File(OUTPUT_FILE_NAME), true)); |
| mStatusWriter = new BufferedWriter(new FileWriter(new File(STATUS_FILE_NAME), true)); |
| |
| mParams = getParams(); |
| if (mParams != null && !mParams.isEmpty()) { |
| log("mParams is not empty, get properties."); |
| String mIterationStr; |
| if ((mIterationStr = getPropertyString(mParams, "iteration")) != null) { |
| mIteration = Integer.valueOf(mIterationStr); |
| } |
| } |
| jankinessArray = new int[mIteration]; |
| frameRateArray = new double[mIteration]; |
| maxDeltaVsyncArray = new int[mIteration]; |
| mTestCaseName = this.getName(); |
| |
| mSuccessTestRuns = 0; |
| mDevice.pressHome(); |
| } |
| |
| /** |
| * Expects a file from the command line via conf param or default following format each on its |
| * own line. <code> |
| * key=Value |
| * Browser_URL1=cnn.com |
| * Browser_URL2=google.com |
| * Camera_ShutterDelay=1000 |
| * etc... |
| * </code> |
| * @param Bundle params |
| * @param key |
| * @return the value of the property else defaultValue |
| * @throws FileNotFoundException |
| * @throws IOException |
| */ |
| protected String getPropertyString(Bundle params, String key) |
| throws FileNotFoundException, IOException { |
| Properties prop = new Properties(); |
| prop.load(new FileInputStream(new File(LOCAL_TMP_DIR, |
| params.getString(PARAM_CONFIG, PROPERTY_FILE_NAME)))); |
| String value = prop.getProperty(key); |
| if (value != null && !value.isEmpty()) |
| return value; |
| return null; |
| } |
| |
| /** |
| * Expects a file from the command line via conf param or default following format each on its |
| * own line. <code> |
| * key=Value |
| * Browser_URL1=cnn.com |
| * Browser_URL2=google.com |
| * Camera_ShutterDelay=1000 |
| * etc... |
| * </code> |
| * @param Bundle params |
| * @param key |
| * @return the value of the property else defaultValue |
| * @throws FileNotFoundException |
| * @throws IOException |
| */ |
| protected long getPropertyLong(Bundle params, String key) |
| throws FileNotFoundException, IOException { |
| Properties prop = new Properties(); |
| prop.load(new FileInputStream(new File(LOCAL_TMP_DIR, |
| params.getString(PARAM_CONFIG, PROPERTY_FILE_NAME)))); |
| String value = prop.getProperty(key); |
| if (value != null && !value.trim().isEmpty()) |
| return Long.valueOf(value.trim()); |
| return 0; |
| } |
| |
| /** |
| * Process the raw data, calculate jankiness, frame rate and max accumulated frames number |
| * @param testCaseName |
| * @param iteration |
| */ |
| protected void recordResults(String testCaseName, int iteration) { |
| long refreshPeriod = SurfaceFlingerHelper.getRefreshPeriod(); |
| // get jankiness count |
| int jankinessCount = SurfaceFlingerHelper.getVsyncJankiness(); |
| // get frame rate |
| double frameRate = SurfaceFlingerHelper.getFrameRate(); |
| // get max accumulated frames |
| int maxDeltaVsync = SurfaceFlingerHelper.getMaxDeltaVsync(); |
| |
| // only record data when they are valid |
| if (jankinessCount >=0 && frameRate > 0) { |
| jankinessArray[iteration] = jankinessCount; |
| frameRateArray[iteration] = frameRate; |
| maxDeltaVsyncArray[iteration] = maxDeltaVsync; |
| mSuccessTestRuns++; |
| } |
| String msg = String.format("%s, iteration %d\n" + |
| "refresh period: %d\n" + |
| "jankiness count: %d\n" + |
| "frame rate: %f\n" + |
| "max accumulated frames: %d\n", |
| testCaseName, iteration, refreshPeriod, |
| jankinessCount, frameRate, maxDeltaVsync); |
| log(msg); |
| if (DEBUG) { |
| SurfaceFlingerHelper.printData(testCaseName, iteration); |
| } |
| } |
| |
| /** |
| * Process data from all test iterations, and save to disk |
| * @param testCaseName |
| */ |
| protected void saveResults(String testCaseName) { |
| // write test status into status file |
| try { |
| mStatusWriter.write(String.format("%s: %d success runs out of %d iterations\n", |
| testCaseName, mSuccessTestRuns, mIteration)); |
| } catch (IOException e) { |
| log("failed to write output for test case " + testCaseName); |
| } |
| |
| // if successful test runs is less than the threshold, no results will be saved. |
| if (mSuccessTestRuns * 100 / mIteration < SUCCESS_THRESHOLD) { |
| log(String.format("In %s, # of successful test runs out of %s iterations: %d ", |
| testCaseName, mIteration, mSuccessTestRuns)); |
| log(String.format("threshold is %d%%", SUCCESS_THRESHOLD)); |
| return; |
| } |
| |
| if (DEBUG) { |
| print(jankinessArray, "jankiness array"); |
| print(frameRateArray, "frame rate array"); |
| print(maxDeltaVsyncArray, "max delta vsync array"); |
| } |
| double avgJankinessCount = getAverage(jankinessArray); |
| int maxJankinessCount = getMaxValue(jankinessArray); |
| double avgFrameRate = getAverage(frameRateArray); |
| double avgMaxDeltaVsync = getAverage(maxDeltaVsyncArray); |
| |
| String avgMsg = String.format("%s\n" + |
| "average number of jankiness: %f\n" + |
| "max number of jankiness: %d\n" + |
| "average frame rate: %f\n" + |
| "average of max accumulated frames: %f\n", |
| testCaseName, avgJankinessCount, maxJankinessCount, avgFrameRate, avgMaxDeltaVsync); |
| log(avgMsg); |
| |
| try { |
| mWriter.write(avgMsg); |
| } catch (IOException e) { |
| log("failed to write output for test case " + testCaseName); |
| } |
| } |
| |
| // return the max value in an integer array |
| private int getMaxValue(int[] intArray) { |
| int index = 0; |
| int max = intArray[index]; |
| for (int i = 1; i < intArray.length; i++) { |
| if (max < intArray[i]) { |
| max = intArray[i]; |
| } |
| } |
| return max; |
| } |
| |
| private double getAverage(int[] intArray) { |
| int mean = 0; |
| int numberTests = 0; |
| for (int i = 0; i < intArray.length; i++) { |
| // in case in some iteration, test fails, no data points is collected |
| if (intArray[i] >= 0) { |
| mean += intArray[i]; |
| ++numberTests; |
| } |
| } |
| return (double)mean/numberTests; |
| } |
| |
| private double getAverage(double[] doubleArray) { |
| double mean = 0; |
| int numberTests = 0; |
| for (int i = 0; i < doubleArray.length; i++) { |
| // in case in some iteration, test fails, no data points is collected |
| if (doubleArray[i] >= 0) { |
| mean += doubleArray[i]; |
| ++numberTests; |
| } |
| } |
| return mean/numberTests; |
| } |
| |
| private void print(int[] intArray, String arrayName) { |
| log("start to print array for " + arrayName); |
| for (int i = 0; i < intArray.length; i++) { |
| log(String.format("%d: %d", i, intArray[i])); |
| } |
| } |
| |
| private void print(double[] doubleArray, String arrayName) { |
| log("start to print array for " + arrayName); |
| for (int i = 0; i < doubleArray.length; i++) { |
| log(String.format("%d: %f", i, doubleArray[i])); |
| } |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| if (mWriter != null) { |
| mWriter.close(); |
| } |
| if (mStatusWriter != null) { |
| mStatusWriter.close(); |
| } |
| } |
| |
| private void log(String message) { |
| Log.v(TAG, message); |
| } |
| |
| /** |
| * Set the total number of test iteration |
| * @param iteration |
| */ |
| protected void setIteration(int iteration){ |
| mIteration = iteration; |
| } |
| |
| /** |
| * Get the total number of test iteration |
| * @return iteration |
| */ |
| protected int getIteration(){ |
| return mIteration; |
| } |
| |
| } |