PentiumTimer.h File Reference

#include "Utilities/Timing/interface/GenTimer.h"

Go to the source code of this file.

Classes
struct	PentiumTime::OneTick
struct	PentiumTime

Typedefs
typedef long long int	PentiumTimeIntervalType
typedef GenTimer< PentiumTime >	PentiumTimer
typedef unsigned long long int	PentiumTimeType

Functions
PentiumTimeType	rdtscPentium ()

Typedef Documentation

typedef long long int PentiumTimeIntervalType

Definition at line 11 of file PentiumTimer.h.

typedef GenTimer<PentiumTime> PentiumTimer

a timer valid only on Linux Pentium

Definition at line 49 of file PentiumTimer.h.

typedef unsigned long long int PentiumTimeType

Definition at line 10 of file PentiumTimer.h.

Function Documentation

PentiumTimeType rdtscPentium ( )

inline

Definition at line 13 of file PentiumTimer.h.

References ExpressReco_HICollisions_FallBack::x.

Referenced by TimerStack::pentiumTime(), and PentiumTime::time().

                                                 {
  PentiumTimeType x;
  // Works only for x86 machines in protected mode.
  __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));
  return x;
}