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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: ?Description |
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15 * |
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16 */ |
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17 |
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18 #include <glxperformancelog.h> |
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19 |
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20 #define GLX_LOG_PRINT_ITERATION 20 |
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21 QFile GlxPerformanceLog::mLogFile; |
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22 qint16 GlxPerformanceLog::mObjectCounter = 0; |
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23 |
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24 GlxPerformanceLog::GlxPerformanceLog(char *str) : mSpendTime(0), mTotalTime(0), mIteration(0), mInfoMsg (str) |
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25 { |
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26 mTime.start(); |
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27 ++mObjectCounter; |
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28 if( GlxPerformanceLog::mLogFile.isOpen() == FALSE) { |
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29 GlxPerformanceLog::mLogFile.setFileName("glxperlog.txt"); |
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30 QDir::setCurrent("c:\\data\\"); |
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31 GlxPerformanceLog::mLogFile.open(QIODevice::Append); |
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32 GlxPerformanceLog::mLogFile.setTextModeEnabled(TRUE); |
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33 } |
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34 } |
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35 |
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36 void GlxPerformanceLog::start() |
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37 { |
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38 mTime.restart(); |
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39 } |
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40 |
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41 void GlxPerformanceLog::stop() |
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42 { |
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43 mSpendTime = mTime.elapsed(); |
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44 mTotalTime += mSpendTime; |
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45 ++mIteration; |
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46 if ( (mIteration % GLX_LOG_PRINT_ITERATION )== 1) { |
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47 appendPerformanceLog(); |
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48 } |
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49 } |
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50 |
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51 void GlxPerformanceLog::end() |
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52 { |
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53 appendPerformanceLog(); |
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54 mSpendTime = mTotalTime = mIteration = 0; |
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55 } |
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56 |
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57 void GlxPerformanceLog::done(char *msg ) |
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58 { |
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59 mSpendTime = mTime.elapsed(); |
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60 mTotalTime += mSpendTime; |
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61 ++mIteration; |
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62 appendPerformanceLog(msg); |
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63 mSpendTime = mTotalTime = mIteration = 0; |
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64 } |
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65 |
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66 qreal GlxPerformanceLog::getAverageTime() |
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67 { |
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68 if( mIteration == 0) { |
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69 return -1; |
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70 } |
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71 return ( (mTotalTime + 0.0) / mIteration ); |
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72 } |
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73 |
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74 quint32 GlxPerformanceLog::getTime() |
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75 { |
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76 return mSpendTime; |
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77 } |
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78 |
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79 void GlxPerformanceLog::appendPerformanceLog(char *msg) |
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80 { |
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81 char logText[255] = {0}; |
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82 sprintf(logText, "%s : %s last time %u : average time : %f iteration %u \n", mInfoMsg, msg, mSpendTime, getAverageTime(), mIteration); |
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83 GlxPerformanceLog::mLogFile.write(logText); |
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84 } |
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85 |
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86 void GlxPerformanceLog::appendTimeStamp(char *msg) |
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87 { |
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88 char logText[255] = {0}; |
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89 QTime t = QTime::currentTime(); |
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90 sprintf(logText, "%s : Time Stamp %d:%d:%d:%d \n", msg, t.hour(), t.minute(), t.second(), t.msec()); |
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91 GlxPerformanceLog::mLogFile.write(logText); |
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92 } |
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93 |
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94 GlxPerformanceLog::~GlxPerformanceLog() |
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95 { |
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96 --mObjectCounter; |
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97 if ( mObjectCounter == 0) { |
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98 GlxPerformanceLog::mLogFile.close(); |
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99 } |
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100 } |
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101 |
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102 |
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103 |