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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "performancediff.h"
#include "xmldata.h"
#include <QtXml>
#include <QFile>
#include <QStringList>
#include <QDateTime>
#include <QtDebug>
#include <iostream>
#include <iomanip>
static const int MIN_TEST_VAL = 20;
static const int TEST_EPSILON = 5; //ms
static void usage(const char *progname)
{
std::cerr << "Couldn't find 'framework.ini' "
<< "file and no output has been specified."<<std::endl;
std::cerr << "Usage: "<<progname
<< " oldDataDir"
<< " newDataDir\n"
<< std::endl;
}
PerformanceDiff::PerformanceDiff()
: settings(0)
{
if (QFile::exists("framework.ini")) {
settings = new QSettings("framework.ini", QSettings::IniFormat);
}
}
static void loadEngines(const QString &dirName,
QMap<QString, XMLEngine*> &engines)
{
QDir dir(dirName);
dir.setFilter(QDir::Dirs | QDir::NoSymLinks | QDir::NoDotAndDotDot);
QFileInfoList list = dir.entryInfoList();
for (int i = 0; i < list.size(); ++i) {
QFileInfo fileInfo = list.at(i);
QString dataFile = QString("%1/data.xml")
.arg(fileInfo.absoluteFilePath());
if (QFile::exists(dataFile)) {
XMLReader handler;
QXmlSimpleReader reader;
reader.setContentHandler(&handler);
reader.setErrorHandler(&handler);
QFile file(dataFile);
if (!file.open(QFile::ReadOnly | QFile::Text)) {
qWarning("Cannot open file '%s', because: %s",
qPrintable(dataFile), qPrintable(file.errorString()));
continue;
}
QXmlInputSource xmlInputSource(&file);
if (reader.parse(xmlInputSource)) {
XMLEngine *engine = handler.xmlEngine();
engines.insert(engine->name, engine);
}
}
}
}
void PerformanceDiff::run(int argc, char **argv)
{
processArguments(argc, argv);
loadEngines(inputDirName, inputEngines);
loadEngines(diffDirName, diffEngines);
if (inputEngines.isEmpty() || diffEngines.isEmpty()) {
usage(argv[0]);
return;
}
generateDiff();
//generateOutput();
}
void PerformanceDiff::processArguments(int argc, char **argv)
{
if (argc != 3)
return;
inputDirName = QString(argv[1]);
diffDirName = QString(argv[2]);
}
void PerformanceDiff::generateDiff()
{
qreal totalIn = 0;
qreal totalDiff = 0;
std::cout<<std::setiosflags(std::ios::left)<<std::setw(30)<<"Testcase"
<<std::setiosflags(std::ios::right)
<<std::setw(10) <<"Before"
<<std::setw(15) <<"After"
<<std::setw(20) <<"Difference"<<std::endl;
std::cout << std::resetiosflags(std::ios::right);
std::cout << std::resetiosflags(std::ios::left);
std::cout<<std::setfill('-')<<std::setw(75)<<'-'<<std::endl;
foreach(XMLEngine *diffEngine, diffEngines) {
XMLEngine *inEngine = inputEngines[diffEngine->name];
if (!inEngine)
continue;
foreach(XMLSuite *diffSuite, diffEngine->suites) {
XMLSuite *inSuite = inEngine->suites[diffSuite->name];
if (!inSuite)
continue;
foreach(XMLFile *diffFile, diffSuite->files) {
XMLFile *inFile = inSuite->files[diffFile->name];
if (!inFile)
continue;
qreal inAvg = 0;
qreal diffAvg = 0;
qreal inMin = 0;
qreal inMax = 0;
foreach(XMLData data, inFile->data) {
inAvg = (double(data.timeToRender)/data.iterations);
if (!inMin)
inMin = data.minElapsed;
else if (data.minElapsed < inMin)
inMin = data.minElapsed;
if (!inMax)
inMax = data.maxElapsed;
else if (inMax < data.maxElapsed)
inMax = data.maxElapsed;
}
//skipping really small tests
if (inAvg < MIN_TEST_VAL) {
continue;
}
totalIn += inAvg;
foreach(XMLData data, diffFile->data) {
diffAvg = (double(data.timeToRender)/data.iterations);
}
totalDiff += diffAvg;
QFileInfo fi(diffFile->name);
std::cout.width(80);
std::cout.setf(std::ios::fixed, std::ios::floatfield);
std::cout.setf(std::ios::showpoint);
std::cout << std::resetiosflags(std::ios::right);
std::cout << std::resetiosflags(std::ios::left);
std::cout<<std::setw(30)<<std::setfill('.')<<std::setiosflags(std::ios::left)
<<qPrintable(fi.fileName())<<"\t";
std::cout<<std::setfill(' ')<<std::setprecision(2)
<<std::setiosflags(std::ios::right)
<<std::setw(8)<<std::setiosflags(std::ios::right)<<inAvg<<"\t"
<<std::setw(8)<<diffAvg<<"\t"
<<std::setw(7)<< ((1.0-(diffAvg/inAvg))*100.0) <<"%";
if (diffAvg < inMin &&
(qAbs(inMin - diffAvg) > TEST_EPSILON)) {
std::cout<<" + ("<<inMin<<")";
}
if (diffAvg > inMax &&
(qAbs(diffAvg - inMax) > TEST_EPSILON)) {
std::cout<<" - ("<<inMax<<")";
}
std::cout<<std::endl;
}
}
}
std::cout << std::resetiosflags(std::ios::right);
std::cout << std::resetiosflags(std::ios::left);
std::cout<<std::setfill('-')<<std::setw(75)<<'-'<<std::endl;
}
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