CPerformanceCounter Class Reference

Collaboration diagram for CPerformanceCounter:

[legend]

List of all members.

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Detailed Description

A class that wraps the QueryPerformanceCounter() API for high performance timing of sections of code.

Public Types
enum	ThreadAffinity { NoThreadAffinity, LockThreadToOneCPU }
Public Member Functions
	CPerformanceCounter (ThreadAffinity threadAffinity=NoThreadAffinity)
	Constructs a timer with the specified thread affinity and starts it.
void	Reset ()
	Resets a counter.
DWORD	GetElapsedTimeAsDWORD () const
	Gets the elapsed time since the counter was either constructed or reset.
LARGE_INTEGER	GetElapsedTime () const
	Gets the elapsed time since the counter was either constructed or reset.
_tstring	GetElapsedTimeAsString () const
	Gets the elapsed time since the counter was either constructed or reset.

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Member Enumeration Documentation

enum ThreadAffinity

Enumerator:

NoThreadAffinity
LockThreadToOneCPU

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Constructor & Destructor Documentation

CPerformanceCounter

(

ThreadAffinity

threadAffinity = NoThreadAffinity

)

[explicit]

Constructs a timer with the specified thread affinity and starts it.

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Member Function Documentation

void Reset

(

)

Resets a counter.

DWORD GetElapsedTimeAsDWORD

(

)

const

Gets the elapsed time since the counter was either constructed or reset.

LARGE_INTEGER GetElapsedTime

(

)

const

Gets the elapsed time since the counter was either constructed or reset.

_tstring GetElapsedTimeAsString

(

)

const

Gets the elapsed time since the counter was either constructed or reset.

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