00001 #ifndef __J2K__Measure_HPP__
00002 #define __J2K__Measure_HPP__
00003
00004 #include <j2k/Fred/Standard.hpp>
00005 #include <sys/neutrino.h>
00006 #include <sys/syspage.h>
00007
00008 class Measure
00009 {
00010 public:
00011 static const ULONG Period_1_ms;
00012 static const ULONG Period_10_ms;
00013 static const ULONG Period_100_ms;
00014
00015
00016 Measure();
00017
00018 void setClockPeriod( ULONG nsec = Period_1_ms );
00019
00020 inline _uint64 getCycles();
00021 inline double getCPUfreq();
00022 inline ULONG getClockPeriod();
00023
00024 inline double start();
00025 inline double stop();
00026
00027 inline double getElapsed();
00028
00029 inline void print();
00030
00031 Measure( const Measure& src );
00032 const Measure& operator = ( const Measure& src );
00033
00034 protected:
00035
00036 static double cpu_freq;
00037 static ULONG clock_period;
00038
00039 private:
00040 double elapsed;
00041
00042 _uint64 start_time;
00043 _uint64 stop_time;
00044
00045 struct _clockperiod clkper;
00046
00047 };
00048
00049
00050 #include <j2k/nto/Measure.inl>
00051
00052 #endif
