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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtTest module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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 are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QBENCHMARK_MEASUREMENT_P_H
#define QBENCHMARK_MEASUREMENT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/qdatetime.h>
#include "3rdparty/cycle_p.h"
QT_BEGIN_NAMESPACE
class QBenchmarkMeasurerBase
{
public:
virtual ~QBenchmarkMeasurerBase(){};
virtual void init() {};
virtual void start() = 0;
virtual qint64 checkpoint() = 0;
virtual qint64 stop() = 0;
virtual bool isMeasurementAccepted(qint64 measurement) = 0;
virtual int adjustIterationCount(int suggestion) = 0;
virtual int adjustMedianCount(int suggestion) = 0;
virtual bool repeatCount() { return 1; }
virtual bool needsWarmupIteration() { return false; }
virtual QString unitText() = 0;
virtual QString metricText() = 0;
};
class QBenchmarkTimeMeasurer : public QBenchmarkMeasurerBase
{
public:
void start();
qint64 checkpoint();
qint64 stop();
bool isMeasurementAccepted(qint64 measurement);
int adjustIterationCount(int sugestion);
int adjustMedianCount(int suggestion);
QString unitText();
QString metricText();
private:
QTime time;
};
#ifdef HAVE_TICK_COUNTER // defined in 3rdparty/cycle_p.h
class QBenchmarkTickMeasurer : public QBenchmarkMeasurerBase
{
public:
void start();
qint64 checkpoint();
qint64 stop();
bool isMeasurementAccepted(qint64 measurement);
int adjustIterationCount(int);
int adjustMedianCount(int suggestion);
bool needsWarmupIteration();
QString unitText();
QString metricText();
private:
CycleCounterTicks startTicks;
};
#endif
QT_END_NAMESPACE
#endif // QBENCHMARK_MEASUREMENT_P_H
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