TimeMeasure.h
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00001 /*
00002  * Copyright (c) 2008, AIST, the University of Tokyo and General Robotix Inc.
00003  * All rights reserved. This program is made available under the terms of the
00004  * Eclipse Public License v1.0 which accompanies this distribution, and is
00005  * available at http://www.eclipse.org/legal/epl-v10.html
00006  * Contributors:
00007  * National Institute of Advanced Industrial Science and Technology (AIST)
00008  */
00009 
00010 #ifndef OPENHRP_UTIL_TIME_MEASURE_H_INCLUDED
00011 #define OPENHRP_UTIL_TIME_MEASURE_H_INCLUDED
00012 
00013 
00014 #ifndef __WIN32__
00015 
00016 #include <sys/time.h>
00017 
00018 class TimeMeasure
00019 {
00020     struct timeval tv;
00021     double time_;
00022     double maxTime_;
00023     double totalTime_;
00024     int numCalls_;
00025     
00026 public:
00027     TimeMeasure() {
00028         totalTime_ = 0.0;
00029         maxTime_ = 0.0;
00030         numCalls_ = 0;
00031     }
00032 
00033     void begin() {
00034         gettimeofday(&tv, 0);
00035     }
00036 
00037     void end(){
00038         double beginTime = tv.tv_sec + (double)tv.tv_usec * 1.0e-6;
00039         gettimeofday(&tv, 0);
00040         double endTime = tv.tv_sec + (double)tv.tv_usec * 1.0e-6;
00041         time_ = endTime - beginTime;
00042         if (time_ > maxTime_) maxTime_ = time_; 
00043         totalTime_ += time_;
00044         numCalls_++;
00045     }
00046 
00047     double time() const { return time_; }
00048     double totalTime() const { return totalTime_; }
00049     double maxTime() const { return maxTime_; }
00050     double averageTime() const { return totalTime_ / numCalls_; }
00051     int numCalls() const { return numCalls_; }
00052 };
00053 
00054 
00055 #else
00056 #include <windows.h>
00057 typedef unsigned __int64    ulonglong;
00058 
00059 class TimeMeasure
00060 {
00061     ulonglong iTimerScale;
00062     ulonglong beginTime;
00063     ulonglong endTime;
00064     double time_;
00065     double maxTime_;
00066     double totalTime_;
00067     int numCalls_;
00068  
00069 public:
00070     TimeMeasure() { 
00071         totalTime_ = 0.0;
00072         maxTime_ = 0.0;
00073         numCalls_ = 0;
00074         BOOL iDummyBool = QueryPerformanceFrequency ((LARGE_INTEGER *) &iTimerScale);
00075         if(!iDummyBool)
00076             iTimerScale=1;
00077     }
00078 
00079     void begin() { 
00080         BOOL iDummyBool = QueryPerformanceCounter ((LARGE_INTEGER *) &beginTime);
00081         if(!iDummyBool)
00082             beginTime=1;
00083     }
00084 
00085     void end(){ 
00086         BOOL iDummyBool = QueryPerformanceCounter ((LARGE_INTEGER *) &endTime);
00087         if(!iDummyBool)
00088             endTime=0;
00089         time_ = (double)(endTime - beginTime) / iTimerScale;
00090         if (time_ > maxTime_) maxTime_ = time_; 
00091         totalTime_ += time_;
00092         numCalls_++;
00093     }
00094     double time() const { return time_; }
00095     double totalTime() const { return totalTime_; }
00096     double maxTime() const { return maxTime_; }
00097     double averageTime() const { return totalTime_ / numCalls_; }
00098     int numCalls() const { return numCalls_; }
00099 };
00100 
00101 #endif
00102 
00103 
00104 #endif


openhrp3
Author(s): AIST, General Robotix Inc., Nakamura Lab of Dept. of Mechano Informatics at University of Tokyo
autogenerated on Thu Apr 11 2019 03:30:19