/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_14/src/Utilities/Timing/interface/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 ()

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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.

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Function Documentation

PentiumTimeType rdtscPentium

(

)

[inline]

Definition at line 13 of file PentiumTimer.h.

References 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;
}