115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtTest module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QBENCHMARK_MEASUREMENT_P_H
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#define QBENCHMARK_MEASUREMENT_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <QtCore/qelapsedtimer.h>
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#include "3rdparty/cycle_p.h"
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#include "qbenchmark.h"
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QT_BEGIN_NAMESPACE
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class QBenchmarkMeasurerBase
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{
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public:
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virtual ~QBenchmarkMeasurerBase(){};
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virtual void init() {};
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virtual void start() = 0;
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virtual qint64 checkpoint() = 0;
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virtual qint64 stop() = 0;
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virtual bool isMeasurementAccepted(qint64 measurement) = 0;
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virtual int adjustIterationCount(int suggestion) = 0;
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virtual int adjustMedianCount(int suggestion) = 0;
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virtual bool repeatCount() { return 1; }
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virtual bool needsWarmupIteration() { return false; }
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virtual QTest::QBenchmarkMetric metricType() = 0;
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};
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class QBenchmarkTimeMeasurer : public QBenchmarkMeasurerBase
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{
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public:
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void start();
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qint64 checkpoint();
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qint64 stop();
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bool isMeasurementAccepted(qint64 measurement);
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int adjustIterationCount(int sugestion);
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int adjustMedianCount(int suggestion);
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bool needsWarmupIteration();
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QTest::QBenchmarkMetric metricType();
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private:
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QElapsedTimer time;
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};
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#ifdef HAVE_TICK_COUNTER // defined in 3rdparty/cycle_p.h
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class QBenchmarkTickMeasurer : public QBenchmarkMeasurerBase
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{
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public:
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void start();
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qint64 checkpoint();
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qint64 stop();
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bool isMeasurementAccepted(qint64 measurement);
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int adjustIterationCount(int);
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int adjustMedianCount(int suggestion);
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bool needsWarmupIteration();
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QTest::QBenchmarkMetric metricType();
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private:
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CycleCounterTicks startTicks;
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};
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#endif
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QT_END_NAMESPACE
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#endif // QBENCHMARK_MEASUREMENT_P_H
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