tests/arthur/performancediff/performancediff.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the test suite of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 #include "performancediff.h"
       
    42 
       
    43 #include "xmldata.h"
       
    44 
       
    45 #include <QtXml>
       
    46 
       
    47 #include <QFile>
       
    48 #include <QStringList>
       
    49 #include <QDateTime>
       
    50 #include <QtDebug>
       
    51 
       
    52 #include <iostream>
       
    53 #include <iomanip>
       
    54 
       
    55 
       
    56 static const int MIN_TEST_VAL = 20;
       
    57 static const int TEST_EPSILON = 5; //ms
       
    58 
       
    59 static void usage(const char *progname)
       
    60 {
       
    61     std::cerr << "Couldn't find 'framework.ini' "
       
    62               << "file and no output has been specified."<<std::endl;
       
    63     std::cerr << "Usage: "<<progname
       
    64               << " oldDataDir"
       
    65               << " newDataDir\n"
       
    66               << std::endl;
       
    67 }
       
    68 
       
    69 
       
    70 PerformanceDiff::PerformanceDiff()
       
    71     : settings(0)
       
    72 {
       
    73     if (QFile::exists("framework.ini")) {
       
    74         settings = new QSettings("framework.ini", QSettings::IniFormat);
       
    75     }
       
    76 }
       
    77 
       
    78 static void loadEngines(const QString &dirName,
       
    79                         QMap<QString, XMLEngine*> &engines)
       
    80 {
       
    81     QDir dir(dirName);
       
    82     dir.setFilter(QDir::Dirs | QDir::NoSymLinks | QDir::NoDotAndDotDot);
       
    83     QFileInfoList list = dir.entryInfoList();
       
    84     for (int i = 0; i < list.size(); ++i) {
       
    85         QFileInfo fileInfo = list.at(i);
       
    86         QString dataFile = QString("%1/data.xml")
       
    87                            .arg(fileInfo.absoluteFilePath());
       
    88         if (QFile::exists(dataFile)) {
       
    89             XMLReader handler;
       
    90             QXmlSimpleReader reader;
       
    91             reader.setContentHandler(&handler);
       
    92             reader.setErrorHandler(&handler);
       
    93 
       
    94             QFile file(dataFile);
       
    95             if (!file.open(QFile::ReadOnly | QFile::Text)) {
       
    96                 qWarning("Cannot open file '%s', because: %s",
       
    97                          qPrintable(dataFile), qPrintable(file.errorString()));
       
    98                 continue;
       
    99             }
       
   100 
       
   101             QXmlInputSource xmlInputSource(&file);
       
   102             if (reader.parse(xmlInputSource)) {
       
   103                 XMLEngine *engine = handler.xmlEngine();
       
   104                 engines.insert(engine->name, engine);
       
   105             }
       
   106         }
       
   107     }
       
   108 
       
   109 }
       
   110 void PerformanceDiff::run(int argc, char **argv)
       
   111 {
       
   112     processArguments(argc, argv);
       
   113 
       
   114     loadEngines(inputDirName, inputEngines);
       
   115     loadEngines(diffDirName, diffEngines);
       
   116 
       
   117     if (inputEngines.isEmpty() || diffEngines.isEmpty()) {
       
   118         usage(argv[0]);
       
   119         return;
       
   120     }
       
   121 
       
   122     generateDiff();
       
   123     //generateOutput();
       
   124 }
       
   125 
       
   126 void PerformanceDiff::processArguments(int argc, char **argv)
       
   127 {
       
   128     if (argc != 3)
       
   129         return;
       
   130     inputDirName = QString(argv[1]);
       
   131     diffDirName  = QString(argv[2]);
       
   132 }
       
   133 
       
   134 void PerformanceDiff::generateDiff()
       
   135 {
       
   136     qreal totalIn   = 0;
       
   137     qreal totalDiff = 0;
       
   138 
       
   139     std::cout<<std::setiosflags(std::ios::left)<<std::setw(30)<<"Testcase"
       
   140              <<std::setiosflags(std::ios::right)
       
   141              <<std::setw(10) <<"Before"
       
   142              <<std::setw(15) <<"After"
       
   143              <<std::setw(20) <<"Difference"<<std::endl;
       
   144     std::cout << std::resetiosflags(std::ios::right);
       
   145     std::cout << std::resetiosflags(std::ios::left);
       
   146     std::cout<<std::setfill('-')<<std::setw(75)<<'-'<<std::endl;
       
   147     foreach(XMLEngine *diffEngine, diffEngines) {
       
   148         XMLEngine *inEngine = inputEngines[diffEngine->name];
       
   149         if (!inEngine)
       
   150             continue;
       
   151         foreach(XMLSuite *diffSuite, diffEngine->suites) {
       
   152             XMLSuite *inSuite = inEngine->suites[diffSuite->name];
       
   153             if (!inSuite)
       
   154                 continue;
       
   155 
       
   156             foreach(XMLFile *diffFile, diffSuite->files) {
       
   157                 XMLFile *inFile = inSuite->files[diffFile->name];
       
   158                 if (!inFile)
       
   159                     continue;
       
   160 
       
   161                 qreal inAvg   = 0;
       
   162                 qreal diffAvg = 0;
       
   163                 qreal inMin   = 0;
       
   164                 qreal inMax   = 0;
       
   165                 foreach(XMLData data, inFile->data) {
       
   166                     inAvg = (double(data.timeToRender)/data.iterations);
       
   167                     if (!inMin)
       
   168                         inMin = data.minElapsed;
       
   169                     else if (data.minElapsed < inMin)
       
   170                         inMin = data.minElapsed;
       
   171                     if (!inMax)
       
   172                         inMax = data.maxElapsed;
       
   173                     else if (inMax < data.maxElapsed)
       
   174                         inMax = data.maxElapsed;
       
   175                 }
       
   176                 //skipping really small tests
       
   177                 if (inAvg < MIN_TEST_VAL) {
       
   178                     continue;
       
   179                 }
       
   180 
       
   181                 totalIn += inAvg;
       
   182                 foreach(XMLData data, diffFile->data) {
       
   183                     diffAvg = (double(data.timeToRender)/data.iterations);
       
   184                 }
       
   185                 totalDiff += diffAvg;
       
   186 
       
   187                 QFileInfo fi(diffFile->name);
       
   188                 std::cout.width(80);
       
   189                 std::cout.setf(std::ios::fixed, std::ios::floatfield);
       
   190                 std::cout.setf(std::ios::showpoint);
       
   191                 std::cout << std::resetiosflags(std::ios::right);
       
   192                 std::cout << std::resetiosflags(std::ios::left);
       
   193                 std::cout<<std::setw(30)<<std::setfill('.')<<std::setiosflags(std::ios::left)
       
   194                          <<qPrintable(fi.fileName())<<"\t";
       
   195                 std::cout<<std::setfill(' ')<<std::setprecision(2)
       
   196                          <<std::setiosflags(std::ios::right)
       
   197                          <<std::setw(8)<<std::setiosflags(std::ios::right)<<inAvg<<"\t"
       
   198                          <<std::setw(8)<<diffAvg<<"\t"
       
   199                          <<std::setw(7)<< ((1.0-(diffAvg/inAvg))*100.0) <<"%";
       
   200                 if (diffAvg < inMin &&
       
   201                     (qAbs(inMin - diffAvg) > TEST_EPSILON)) {
       
   202                     std::cout<<" + ("<<inMin<<")";
       
   203                 }
       
   204                 if (diffAvg > inMax &&
       
   205                     (qAbs(diffAvg - inMax) > TEST_EPSILON)) {
       
   206                     std::cout<<" - ("<<inMax<<")";
       
   207                 }
       
   208 
       
   209                 std::cout<<std::endl;
       
   210             }
       
   211         }
       
   212     }
       
   213     std::cout << std::resetiosflags(std::ios::right);
       
   214     std::cout << std::resetiosflags(std::ios::left);
       
   215     std::cout<<std::setfill('-')<<std::setw(75)<<'-'<<std::endl;
       
   216 }
       
   217 
       
   218 
       
   219