1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4Timer.cc,v 1.15 2006/06/29 19:04:30 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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29 | // |
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30 | // |
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31 | // ---------------------------------------------------------------------- |
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32 | // class G4Timer |
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33 | // |
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34 | // Implementation |
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35 | // 29.04.97 G.Cosmo Added timings for Windows systems |
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36 | |
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37 | #include "G4Timer.hh" |
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38 | #include "G4ios.hh" |
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39 | |
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40 | #undef times |
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41 | |
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42 | // Global error function |
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43 | void G4Exception(const char* s=0); |
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44 | |
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45 | #if defined(IRIX6_2) |
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46 | # if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE_EXTENDED==1) |
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47 | # define __vfork vfork |
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48 | # endif |
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49 | #endif |
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50 | |
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51 | #ifdef WIN32 |
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52 | # include <sys/types.h> |
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53 | # include <windows.h> |
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54 | |
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55 | // extract milliseconds time unit |
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56 | int sysconf(int a){ |
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57 | if( a == _SC_CLK_TCK ) return 1000; |
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58 | else return 0; |
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59 | } |
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60 | |
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61 | static clock_t filetime2msec( FILETIME* t ){ |
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62 | |
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63 | return (clock_t)((((float)t->dwHighDateTime)*429496.7296)+ |
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64 | (((float)t->dwLowDateTime)*.0001) ); |
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65 | } |
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66 | |
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67 | |
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68 | clock_t times(struct tms * t){ |
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69 | FILETIME ct = {0,0}, et = {0,0}, st = {0,0}, ut = {0,0}, rt = {0,0}; |
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70 | SYSTEMTIME realtime; |
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71 | |
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72 | GetSystemTime( &realtime ); |
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73 | SystemTimeToFileTime( &realtime, &rt ); // get real time in 10^-9 sec |
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74 | if( t != 0 ){ |
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75 | GetProcessTimes( GetCurrentProcess(), &ct, &et, &st, &ut);// get process time in 10^-9 sec |
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76 | t->tms_utime = t->tms_cutime = filetime2msec(&ut); |
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77 | t->tms_stime = t->tms_cstime = filetime2msec(&st); |
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78 | } |
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79 | return filetime2msec(&rt); |
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80 | } |
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81 | #endif /* WIN32 */ |
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82 | |
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83 | // Print timer status n std::ostream |
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84 | std::ostream& operator << (std::ostream& os, const G4Timer& t) |
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85 | { |
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86 | if (t.IsValid()) |
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87 | { |
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88 | os << "User=" << t.GetUserElapsed() |
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89 | << "s Real=" << t.GetRealElapsed() |
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90 | << "s Sys=" << t.GetSystemElapsed() << "s"; |
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91 | } |
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92 | else |
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93 | { |
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94 | os << "User=****s Real=****s Sys=****s"; |
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95 | } |
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96 | return os; |
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97 | } |
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98 | |
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99 | G4Timer::G4Timer() |
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100 | : fValidTimes(false) |
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101 | { |
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102 | } |
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103 | |
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104 | G4double G4Timer::GetRealElapsed() const |
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105 | { |
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106 | if (!fValidTimes) |
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107 | { |
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108 | G4Exception("G4Timer::GetRealElapsed - Timer not stopped or times not recorded"); |
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109 | } |
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110 | G4double diff=fEndRealTime-fStartRealTime; |
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111 | return diff/sysconf(_SC_CLK_TCK); |
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112 | } |
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113 | |
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114 | |
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115 | G4double G4Timer::GetSystemElapsed() const |
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116 | { |
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117 | if (!fValidTimes) |
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118 | { |
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119 | G4Exception("G4Timer::GetSystemElapsed - Timer not stopped or times not recorded"); |
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120 | } |
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121 | G4double diff=fEndTimes.tms_stime-fStartTimes.tms_stime; |
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122 | return diff/sysconf(_SC_CLK_TCK); |
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123 | } |
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124 | |
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125 | G4double G4Timer::GetUserElapsed() const |
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126 | { |
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127 | if (!fValidTimes) |
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128 | { |
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129 | G4Exception("G4Timer::GetUserElapsed - Timer not stopped or times not recorded"); |
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130 | } |
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131 | G4double diff=fEndTimes.tms_utime-fStartTimes.tms_utime; |
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132 | return diff/sysconf(_SC_CLK_TCK); |
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133 | } |
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134 | |
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