/usr/include/ASL/utilities/aslTimer.h is in libasl-dev 0.1.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | /*
* Advanced Simulation Library <http://asl.org.il>
*
* Copyright 2015 Avtech Scientific <http://avtechscientific.com>
*
*
* This file is part of Advanced Simulation Library (ASL).
*
* ASL is free software: you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, version 3 of the License.
*
* ASL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with ASL. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef ASLTIMER_H
#define ASLTIMER_H
#include <sys/time.h>
namespace asl{
/// \ingroup Utilities
class Timer {
private:
clock_t _c;
double _t;
inline double tod(){
timeval tim;
gettimeofday(&tim,NULL);
return tim.tv_sec+(tim.tv_usec/1000000.0);
}
public:
inline Timer():_c(0),_t(0){};
inline void start(){_c=-clock();_t=-tod();}
inline void resume(){_c-=clock();_t-=tod();}
inline void stop(){_c+=clock();_t+=tod();}
inline const double getTime() const{return _t;}
inline const double getClockTime() const{return (float)_c/CLOCKS_PER_SEC;}
inline const double getProcessorLoad() const{return getClockTime()/getTime();}
inline void reset(){_c=0; _t=0;}
inline const double getExpectedTime(double fractTime){return _t/fractTime;}
inline const double getLeftTime(double fractTime){return (1.-fractTime)*getExpectedTime(fractTime);}
};
// waits \p dt seconds, uses loop
inline void delay(double dt)
{
timeval t;
gettimeofday(&t,NULL);
double t0(t.tv_sec+(t.tv_usec/1000000.0));
double tc(t0);
while (t0+dt>tc)
{
gettimeofday(&t,NULL);
tc=t.tv_sec+(t.tv_usec/1000000.0);
}
}
} //namespace acl
#endif // aslGeneratorS_H
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