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1 /***************************************************************************** |
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2 |
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3 ClockCycleCounter.h |
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4 Copyright (c) 2003 Laurent de Soras |
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5 |
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6 Instrumentation class, for accurate time interval measurement. You may have |
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7 to modify the implementation to adapt it to your system and/or compiler. |
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8 |
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9 --- Legal stuff --- |
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10 |
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11 This library is free software; you can redistribute it and/or |
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12 modify it under the terms of the GNU Lesser General Public |
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13 License as published by the Free Software Foundation; either |
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14 version 2.1 of the License, or (at your option) any later version. |
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15 |
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16 This library is distributed in the hope that it will be useful, |
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17 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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19 Lesser General Public License for more details. |
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20 |
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21 You should have received a copy of the GNU Lesser General Public |
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22 License along with this library; if not, write to the Free Software |
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23 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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24 |
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25 *Tab=3***********************************************************************/ |
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26 |
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27 |
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28 |
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29 #if ! defined (stopwatch_ClockCycleCounter_HEADER_INCLUDED) |
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30 #define stopwatch_ClockCycleCounter_HEADER_INCLUDED |
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31 |
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32 #if defined (_MSC_VER) |
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33 #pragma once |
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34 #pragma warning (4 : 4250) // "Inherits via dominance." |
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35 #endif |
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36 |
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37 |
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38 |
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39 /*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/ |
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40 |
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41 #include "def.h" |
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42 #include "Int64.h" |
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43 |
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44 |
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45 |
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46 namespace stopwatch |
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47 { |
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48 |
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49 |
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50 |
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51 class ClockCycleCounter |
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52 { |
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53 |
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54 /*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/ |
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55 |
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56 public: |
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57 |
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58 ClockCycleCounter (); |
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59 |
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60 stopwatch_FORCEINLINE void |
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61 start (); |
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62 stopwatch_FORCEINLINE void |
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63 stop_lap (); |
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64 Int64 get_time_total () const; |
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65 Int64 get_time_best_lap () const; |
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66 |
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67 |
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68 |
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69 /*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/ |
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70 |
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71 protected: |
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72 |
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73 |
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74 |
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75 /*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/ |
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76 |
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77 private: |
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78 |
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79 void compute_clk_mul (); |
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80 void compute_measure_time_total (); |
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81 void compute_measure_time_lap (); |
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82 |
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83 static void spend_time (); |
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84 static stopwatch_FORCEINLINE Int64 |
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85 read_clock_counter (); |
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86 |
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87 Int64 _start_time; |
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88 Int64 _state; |
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89 Int64 _best_score; |
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90 |
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91 static Int64 _measure_time_total; |
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92 static Int64 _measure_time_lap; |
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93 static int _clk_mul; |
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94 static bool _init_flag; |
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95 |
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96 |
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97 |
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98 /*\\\ FORBIDDEN MEMBER FUNCTIONS \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/ |
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99 |
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100 private: |
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101 |
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102 ClockCycleCounter (const ClockCycleCounter &other); |
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103 ClockCycleCounter & |
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104 operator = (const ClockCycleCounter &other); |
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105 bool operator == (const ClockCycleCounter &other); |
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106 bool operator != (const ClockCycleCounter &other); |
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107 |
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108 }; // class ClockCycleCounter |
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109 |
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110 |
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111 |
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112 } // namespace stopwatch |
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113 |
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114 |
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115 |
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116 #include "ClockCycleCounter.hpp" |
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117 |
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118 |
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119 |
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120 #endif // stopwatch_ClockCycleCounter_HEADER_INCLUDED |
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121 |
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122 |
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123 |
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124 /*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/ |