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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 #include "QtTest/private/qbenchmarkevent_p.h" |
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43 #include "QtTest/private/qbenchmark_p.h" |
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44 #include <qdebug.h> |
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45 |
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46 QT_BEGIN_NAMESPACE |
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47 |
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48 QAbstractEventDispatcher::EventFilter oldEventFilter = 0; |
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49 qint64 QBenchmarkEvent::eventCounter = 0; |
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50 |
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51 QBenchmarkEvent::~QBenchmarkEvent() |
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52 { |
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53 } |
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54 |
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55 void QBenchmarkEvent::start() |
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56 { |
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57 QBenchmarkEvent::eventCounter = 0; |
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58 QAbstractEventDispatcher *parent = QAbstractEventDispatcher::instance(); |
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59 oldEventFilter = parent->setEventFilter(QBenchmarkEvent::eventCountingMechanism); |
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60 } |
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61 |
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62 qint64 QBenchmarkEvent::checkpoint() |
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63 { |
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64 return QBenchmarkEvent::eventCounter; |
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65 } |
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66 |
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67 qint64 QBenchmarkEvent::stop() |
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68 { |
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69 QAbstractEventDispatcher *parent = QAbstractEventDispatcher::instance(); |
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70 parent->setEventFilter(oldEventFilter); |
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71 return QBenchmarkEvent::eventCounter; |
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72 } |
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73 |
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74 // It's very tempting to simply reject a measurement if 0 events |
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75 // where counted, however that is a possible situation and returning |
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76 // false here will create a infinite loop. Do not change this. |
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77 bool QBenchmarkEvent::isMeasurementAccepted(qint64 measurement) |
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78 { |
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79 Q_UNUSED(measurement); |
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80 return true; |
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81 } |
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82 |
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83 int QBenchmarkEvent::adjustIterationCount(int suggestion) |
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84 { |
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85 return suggestion; |
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86 } |
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87 |
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88 int QBenchmarkEvent::adjustMedianCount(int suggestion) |
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89 { |
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90 Q_UNUSED(suggestion); |
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91 return 1; |
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92 } |
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93 |
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94 QString QBenchmarkEvent::unitText() |
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95 { |
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96 return QLatin1String("events"); |
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97 } |
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98 |
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99 QString QBenchmarkEvent::metricText() |
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100 { |
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101 return QLatin1String("events"); |
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102 } |
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103 |
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104 // This could be done in a much better way, this is just the beginning. |
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105 bool QBenchmarkEvent::eventCountingMechanism(void *message) |
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106 { |
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107 Q_UNUSED(message); |
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108 QBenchmarkEvent::eventCounter++; |
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109 return false; |
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110 } |
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111 |
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112 QT_END_NAMESPACE |