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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtTest module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef QBENCHMARK_MEASUREMENT_P_H |
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43 #define QBENCHMARK_MEASUREMENT_P_H |
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44 |
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45 // |
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46 // W A R N I N G |
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47 // ------------- |
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48 // |
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49 // This file is not part of the Qt API. It exists purely as an |
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50 // implementation detail. This header file may change from version to |
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51 // version without notice, or even be removed. |
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52 // |
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53 // We mean it. |
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54 // |
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55 |
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56 #include <QtCore/qdatetime.h> |
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57 #include "3rdparty/cycle_p.h" |
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58 |
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59 QT_BEGIN_NAMESPACE |
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60 |
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61 class QBenchmarkMeasurerBase |
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62 { |
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63 public: |
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64 virtual ~QBenchmarkMeasurerBase(){}; |
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65 virtual void init() {}; |
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66 virtual void start() = 0; |
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67 virtual qint64 checkpoint() = 0; |
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68 virtual qint64 stop() = 0; |
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69 virtual bool isMeasurementAccepted(qint64 measurement) = 0; |
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70 virtual int adjustIterationCount(int suggestion) = 0; |
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71 virtual int adjustMedianCount(int suggestion) = 0; |
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72 virtual bool repeatCount() { return 1; } |
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73 virtual bool needsWarmupIteration() { return false; } |
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74 virtual QString unitText() = 0; |
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75 virtual QString metricText() = 0; |
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76 }; |
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77 |
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78 class QBenchmarkTimeMeasurer : public QBenchmarkMeasurerBase |
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79 { |
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80 public: |
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81 void start(); |
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82 qint64 checkpoint(); |
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83 qint64 stop(); |
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84 bool isMeasurementAccepted(qint64 measurement); |
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85 int adjustIterationCount(int sugestion); |
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86 int adjustMedianCount(int suggestion); |
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87 QString unitText(); |
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88 QString metricText(); |
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89 private: |
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90 QTime time; |
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91 }; |
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92 |
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93 #ifdef HAVE_TICK_COUNTER // defined in 3rdparty/cycle_p.h |
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94 |
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95 class QBenchmarkTickMeasurer : public QBenchmarkMeasurerBase |
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96 { |
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97 public: |
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98 void start(); |
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99 qint64 checkpoint(); |
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100 qint64 stop(); |
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101 bool isMeasurementAccepted(qint64 measurement); |
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102 int adjustIterationCount(int); |
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103 int adjustMedianCount(int suggestion); |
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104 bool needsWarmupIteration(); |
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105 QString unitText(); |
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106 QString metricText(); |
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107 private: |
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108 CycleCounterTicks startTicks; |
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109 }; |
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110 |
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111 #endif |
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112 |
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113 QT_END_NAMESPACE |
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114 |
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115 #endif // QBENCHMARK_MEASUREMENT_P_H |