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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 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 Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QBENCHMARK_P_H
#define QBENCHMARK_P_H
#include <stdlib.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/qglobal.h>
#if (defined(Q_OS_LINUX) || defined Q_OS_MAC) && !defined(QT_NO_PROCESS)
#define QTESTLIB_USE_VALGRIND
#else
#undef QTESTLIB_USE_VALGRIND
#endif
#include "QtTest/private/qbenchmarkmeasurement_p.h"
#include <QtCore/QMap>
#include <QtTest/qtest_global.h>
#ifdef QTESTLIB_USE_VALGRIND
#include "QtTest/private/qbenchmarkvalgrind_p.h"
#endif
#include "QtTest/private/qbenchmarkevent_p.h"
#include "QtTest/private/qbenchmarkmetric_p.h"
QT_BEGIN_NAMESPACE
struct QBenchmarkContext
{
// None of the strings below are assumed to contain commas (see toString() below)
QString slotName;
QString tag; // from _data() function
int checkpointIndex;
QString toString() const
{
QString s = QString::fromLatin1("%1,%2,%3").arg(slotName).arg(tag).arg(checkpointIndex);
return s;
}
QBenchmarkContext() : checkpointIndex(-1) {}
};
class QBenchmarkResult
{
public:
QBenchmarkContext context;
qreal value;
int iterations;
QTest::QBenchmarkMetric metric;
bool setByMacro;
bool valid;
QBenchmarkResult()
: value(-1)
, iterations(-1)
, setByMacro(true)
, valid(false)
{ }
QBenchmarkResult(
const QBenchmarkContext &context, const qreal value, const int iterations,
QTest::QBenchmarkMetric metric, bool setByMacro)
: context(context)
, value(value)
, iterations(iterations)
, metric(metric)
, setByMacro(setByMacro)
, valid(true)
{ }
bool operator<(const QBenchmarkResult &other) const
{
return (value / iterations) < (other.value / other.iterations);
}
};
/*
The QBenchmarkGlobalData class stores global benchmark-related data.
QBenchmarkGlobalData:current is created at the beginning of qExec()
and cleared at the end.
*/
class QBenchmarkGlobalData
{
public:
static QBenchmarkGlobalData *current;
QBenchmarkGlobalData();
~QBenchmarkGlobalData();
enum Mode { WallTime, CallgrindParentProcess, CallgrindChildProcess, TickCounter, EventCounter };
void setMode(Mode mode);
Mode mode() const { return mode_; }
QBenchmarkMeasurerBase *createMeasurer();
int adjustMedianIterationCount();
QBenchmarkMeasurerBase *measurer;
QBenchmarkContext context;
int walltimeMinimum;
int iterationCount;
int medianIterationCount;
bool createChart;
bool verboseOutput;
QString callgrindOutFileBase;
private:
Mode mode_;
};
/*
The QBenchmarkTestMethodData class stores all benchmark-related data
for the current test case. QBenchmarkTestMethodData:current is
created at the beginning of qInvokeTestMethod() and cleared at
the end.
*/
class QBenchmarkTestMethodData
{
public:
static QBenchmarkTestMethodData *current;
QBenchmarkTestMethodData();
~QBenchmarkTestMethodData();
// Called once for each data row created by the _data function,
// before and after calling the test function itself.
void beginDataRun();
void endDataRun();
bool isBenchmark() const { return result.valid; }
bool resultsAccepted() const { return resultAccepted; }
int adjustIterationCount(int suggestion);
void setResult(qreal value, QTest::QBenchmarkMetric metric, bool setByMacro = true);
QBenchmarkResult result;
bool resultAccepted;
bool runOnce;
int iterationCount;
};
// low-level API:
namespace QTest
{
int iterationCount();
void setIterationCountHint(int count);
void setIterationCount(int count);
Q_TESTLIB_EXPORT void beginBenchmarkMeasurement();
Q_TESTLIB_EXPORT quint64 endBenchmarkMeasurement();
}
QT_END_NAMESPACE
#endif // QBENCHMARK_H
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