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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** This file is part of Qbs.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms and
** conditions see http://www.qt.io/terms-conditions. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "benchmarker.h"
#include "commandlineparser.h"
#include "exception.h"
#include <QCoreApplication>
#include <cstdlib>
#include <iostream>
using namespace qbsBenchmarker;
static QByteArray relativeChange(qint64 oldVal, qint64 newVal)
{
QByteArray change = newVal == 0
? "0" : QByteArray::number(std::abs(newVal * 100 / oldVal - 100));
change += " %";
if (oldVal > newVal)
change.prepend('-');
else if (oldVal < newVal)
change.prepend('+');
return change;
}
static void printResults(Activity activity, const BenchmarkResults &results)
{
std::cout << "========== Performance data for ";
switch (activity) {
case ActivityResolving:
std::cout << "Resolving";
break;
case ActivityRuleExecution:
std::cout << "Rule Execution";
break;
case ActivityNullBuild:
std::cout << "Null Build";
break;
}
std::cout << " ==========" << std::endl;
const BenchmarkResult result = results.value(activity);
const char * const indent = " ";
std::cout << indent << "Old instruction count: " << result.oldInstructionCount << std::endl;
std::cout << indent << "New instruction count: " << result.newInstructionCount << std::endl;
std::cout << indent << "Relative change: "
<< relativeChange(result.oldInstructionCount, result.newInstructionCount).constData()
<< std::endl;
std::cout << indent << "Old peak memory usage: " << result.oldPeakMemoryUsage << " Bytes"
<< std::endl;
std::cout << indent
<< "New peak memory usage: " << result.newPeakMemoryUsage << " Bytes" << std::endl;
std::cout << indent << "Relative change: "
<< relativeChange(result.oldPeakMemoryUsage, result.newPeakMemoryUsage).constData()
<< std::endl;
}
static void printResults(Activities activities, const BenchmarkResults &results)
{
if (activities & ActivityResolving)
printResults(ActivityResolving, results);
if (activities & ActivityRuleExecution)
printResults(ActivityRuleExecution, results);
if (activities & ActivityNullBuild)
printResults(ActivityNullBuild, results);
}
int main(int argc, char *argv[])
{
try {
QCoreApplication app(argc, argv);
CommandLineParser clParser;
clParser.parse();
Benchmarker benchmarker(clParser.activies(), clParser.oldCommit(), clParser.newCommit(),
clParser.testProjectFilePath(), clParser.qbsRepoDirPath());
benchmarker.benchmark();
printResults(clParser.activies(), benchmarker.results());
} catch (const Exception &e) {
std::cerr << qPrintable(e.description()) << std::endl;
return EXIT_FAILURE;
}
}
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