Changeset 126:e1dd2a70737c in lemon-1.2
- Timestamp:
- 04/14/08 10:46:41 (17 years ago)
- Branch:
- default
- Phase:
- public
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
lemon/time_measure.h
r120 r126 24 24 ///\brief Tools for measuring cpu usage 25 25 26 #ifdef WIN32 27 #include <windows.h> 28 #include <cmath> 29 #else 26 30 #include <sys/times.h> 27 28 31 #include <sys/time.h> 32 #endif 33 29 34 #include <fstream> 30 35 #include <iostream> 31 #include <unistd.h>32 36 33 37 namespace lemon { … … 55 59 class TimeStamp 56 60 { 57 struct rtms 58 { 59 double tms_utime; 60 double tms_stime; 61 double tms_cutime; 62 double tms_cstime; 63 rtms() {} 64 rtms(tms ts) : tms_utime(ts.tms_utime), tms_stime(ts.tms_stime), 65 tms_cutime(ts.tms_cutime), tms_cstime(ts.tms_cstime) {} 66 }; 67 rtms ts; 68 double real_time; 69 70 rtms &getTms() {return ts;} 71 const rtms &getTms() const {return ts;} 72 61 double utime; 62 double stime; 63 double cutime; 64 double cstime; 65 double rtime; 66 73 67 void _reset() { 74 ts.tms_utime = ts.tms_stime = ts.tms_cutime = ts.tms_cstime = 0; 75 real_time = 0; 68 utime = stime = cutime = cstime = rtime = 0; 76 69 } 77 70 … … 81 74 void stamp() 82 75 { 76 #ifndef WIN32 83 77 timeval tv; 84 tms _ts; 85 times(&_ts); 86 gettimeofday(&tv, 0);real_time=tv.tv_sec+double(tv.tv_usec)/1e6; 87 ts=_ts; 78 gettimeofday(&tv, 0); 79 rtime=tv.tv_sec+double(tv.tv_usec)/1e6; 80 81 tms ts; 82 double tck=sysconf(_SC_CLK_TCK); 83 times(&ts); 84 utime=ts.tms_utime/tck; 85 stime=ts.tms_stime/tck; 86 cutime=ts.tms_cutime/tck; 87 cstime=ts.tms_cstime/tck; 88 #else 89 static const double ch = 4294967296.0e-7; 90 static const double cl = 1.0e-7; 91 92 FILETIME system; 93 GetSystemTimeAsFileTime(&system); 94 rtime = ch * system.dwHighDateTime + cl * system.dwLowDateTime; 95 96 FILETIME create, exit, kernel, user; 97 if (GetProcessTimes(GetCurrentProcess(),&create, &exit, &kernel, &user)) { 98 utime = ch * user.dwHighDateTime + cl * user.dwLowDateTime; 99 stime = ch * kernel.dwHighDateTime + cl * kernel.dwLowDateTime; 100 cutime = 0; 101 cstime = 0; 102 } else { 103 rtime = 0; 104 utime = 0; 105 stime = 0; 106 cutime = 0; 107 cstime = 0; 108 } 109 #endif 88 110 } 89 111 … … 100 122 TimeStamp &operator+=(const TimeStamp &b) 101 123 { 102 ts.tms_utime+=b.ts.tms_utime;103 ts.tms_stime+=b.ts.tms_stime;104 ts.tms_cutime+=b.ts.tms_cutime;105 ts.tms_cstime+=b.ts.tms_cstime;106 r eal_time+=b.real_time;124 utime+=b.utime; 125 stime+=b.stime; 126 cutime+=b.cutime; 127 cstime+=b.cstime; 128 rtime+=b.rtime; 107 129 return *this; 108 130 } … … 116 138 TimeStamp &operator-=(const TimeStamp &b) 117 139 { 118 ts.tms_utime-=b.ts.tms_utime;119 ts.tms_stime-=b.ts.tms_stime;120 ts.tms_cutime-=b.ts.tms_cutime;121 ts.tms_cstime-=b.ts.tms_cstime;122 r eal_time-=b.real_time;140 utime-=b.utime; 141 stime-=b.stime; 142 cutime-=b.cutime; 143 cstime-=b.cstime; 144 rtime-=b.rtime; 123 145 return *this; 124 146 } … … 132 154 TimeStamp &operator*=(double b) 133 155 { 134 ts.tms_utime*=b;135 ts.tms_stime*=b;136 ts.tms_cutime*=b;137 ts.tms_cstime*=b;138 r eal_time*=b;156 utime*=b; 157 stime*=b; 158 cutime*=b; 159 cstime*=b; 160 rtime*=b; 139 161 return *this; 140 162 } … … 149 171 TimeStamp &operator/=(double b) 150 172 { 151 ts.tms_utime/=b;152 ts.tms_stime/=b;153 ts.tms_cutime/=b;154 ts.tms_cstime/=b;155 r eal_time/=b;173 utime/=b; 174 stime/=b; 175 cutime/=b; 176 cstime/=b; 177 rtime/=b; 156 178 return *this; 157 179 } … … 174 196 double userTime() const 175 197 { 176 return double(ts.tms_utime)/sysconf(_SC_CLK_TCK);198 return utime; 177 199 } 178 200 ///Gives back the system time of the process 179 201 double systemTime() const 180 202 { 181 return double(ts.tms_stime)/sysconf(_SC_CLK_TCK);203 return stime; 182 204 } 183 205 ///Gives back the user time of the process' children 206 207 ///\note On <tt>WIN32</tt> platform this value is not calculated. 208 /// 184 209 double cUserTime() const 185 210 { 186 return double(ts.tms_cutime)/sysconf(_SC_CLK_TCK);211 return cutime; 187 212 } 188 213 ///Gives back the user time of the process' children 214 215 ///\note On <tt>WIN32</tt> platform this value is not calculated. 216 /// 189 217 double cSystemTime() const 190 218 { 191 return double(ts.tms_cstime)/sysconf(_SC_CLK_TCK);219 return cstime; 192 220 } 193 221 ///Gives back the real time 194 double realTime() const {return r eal_time;}222 double realTime() const {return rtime;} 195 223 }; 196 224 … … 213 241 /// \li \c real: real time. 214 242 /// \relates TimeStamp 243 /// \note On <tt>WIN32</tt> platform the cummulative values are not 244 /// calculated. 215 245 inline std::ostream& operator<<(std::ostream& os,const TimeStamp &t) 216 246 { 217 long cls = sysconf(_SC_CLK_TCK); 218 os << "u: " << double(t.getTms().tms_utime)/cls << 219 "s, s: " << double(t.getTms().tms_stime)/cls << 220 "s, cu: " << double(t.getTms().tms_cutime)/cls << 221 "s, cs: " << double(t.getTms().tms_cstime)/cls << 247 os << "u: " << t.userTime() << 248 "s, s: " << t.systemTime() << 249 "s, cu: " << t.cUserTime() << 250 "s, cs: " << t.cSystemTime() << 222 251 "s, real: " << t.realTime() << "s"; 223 252 return os; … … 405 434 } 406 435 ///Gives back the ellapsed user time of the process' children 436 437 ///\note On <tt>WIN32</tt> platform this value is not calculated. 438 /// 407 439 double cUserTime() const 408 440 { … … 410 442 } 411 443 ///Gives back the ellapsed user time of the process' children 444 445 ///\note On <tt>WIN32</tt> platform this value is not calculated. 446 /// 412 447 double cSystemTime() const 413 448 {
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