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TKernel
OSD


OSD_Timer Class Reference

Working on heterogeneous platforms
we need to use the system call gettimeofday.
This function is portable and it measures ELAPSED
time and CPU time in seconds and microseconds.
Example: OSD_Timer aTimer;
aTimer.Start(); // Start the timers (t1).
..... // Do something.
aTimer.Stop(); // Stop the timers (t2).
aTimer.Show(); // Give the elapsed time between t1 and t2.
// Give also the process CPU time between
// t1 and t2.
.

#include <OSD_Timer.hxx>

Inheritance diagram for OSD_Timer:

Inheritance graph
[legend]

Public Member Functions

void * operator new (size_t, void *anAddress)
void * operator new (size_t size)
void operator delete (void *anAddress)
Standard_EXPORT OSD_Timer ()
 Builds a Chronometer initialized and stopped.
.
virtual Standard_EXPORT void Destroy ()
virtual Standard_EXPORT ~OSD_Timer ()
virtual Standard_EXPORT void Reset ()
 Stops and reinitializes the timer.
.
virtual Standard_EXPORT void Show ()
 Shows both the elapsed time and CPU time on the standard output
stream <cout>.The chronometer can be running (Lap Time) or
stopped.
.
virtual Standard_EXPORT void Show (Standard_OStream &os)
 Shows both the elapsed time and CPU time on the
output stream <os>.
.
Standard_EXPORT void Show (Standard_Real &seconds, Standard_Integer &minutes, Standard_Integer &hours, Standard_Real &CPUtime)
 returns both the elapsed time(seconds,minutes,hours)
and CPU time.

virtual Standard_EXPORT void Stop ()
 Stops the Timer.
.
virtual Standard_EXPORT void Start ()
 Starts (after Create or Reset) or restarts (after Stop)
the Timer.
.

Private Attributes

Standard_Integer TimeCumulInt
Standard_Integer MicroCumulInt
Standard_Real TimeCumul
Standard_Real MicroCumul
Standard_Address RefToInitialTimeB
Standard_Address RefToCurrentTimeB

Constructor & Destructor Documentation

Standard_EXPORT OSD_Timer::OSD_Timer  ) 
 

virtual Standard_EXPORT OSD_Timer::~OSD_Timer  )  [inline, virtual]
 


Member Function Documentation

virtual Standard_EXPORT void OSD_Timer::Destroy  )  [virtual]
 

Reimplemented from OSD_Chronometer.

void OSD_Timer::operator delete void *  anAddress  )  [inline]
 

Reimplemented from OSD_Chronometer.

void* OSD_Timer::operator new size_t  size  )  [inline]
 

Reimplemented from OSD_Chronometer.

void* OSD_Timer::operator new size_t  ,
void *  anAddress
[inline]
 

Reimplemented from OSD_Chronometer.

virtual Standard_EXPORT void OSD_Timer::Reset  )  [virtual]
 

Reimplemented from OSD_Chronometer.

Standard_EXPORT void OSD_Timer::Show Standard_Real seconds,
Standard_Integer minutes,
Standard_Integer hours,
Standard_Real CPUtime
 

virtual Standard_EXPORT void OSD_Timer::Show Standard_OStream os  )  [virtual]
 

Reimplemented from OSD_Chronometer.

virtual Standard_EXPORT void OSD_Timer::Show  )  [virtual]
 

Reimplemented from OSD_Chronometer.

virtual Standard_EXPORT void OSD_Timer::Start  )  [virtual]
 

Reimplemented from OSD_Chronometer.

virtual Standard_EXPORT void OSD_Timer::Stop  )  [virtual]
 

Reimplemented from OSD_Chronometer.


Field Documentation

Standard_Real OSD_Timer::MicroCumul [private]
 

Standard_Integer OSD_Timer::MicroCumulInt [private]
 

Standard_Address OSD_Timer::RefToCurrentTimeB [private]
 

Standard_Address OSD_Timer::RefToInitialTimeB [private]
 

Standard_Real OSD_Timer::TimeCumul [private]
 

Standard_Integer OSD_Timer::TimeCumulInt [private]
 


The documentation for this class was generated from the following file:
Generated on Mon Aug 25 13:13:11 2008 for OpenCASCADE by  doxygen 1.4.1