PerfTimer Class Reference

A high-resolution, thread-aware timer and call counter class. More...

#include <perfTimer.h>

Public Member Functions
	PerfTimer ()
	~PerfTimer ()
void	start ()
	Start accumulating time, and increment the call counter.
void	stop ()
	Stop accumulating time.
void	reset ()
	Reset the accumulated time.
void	resume ()
	Starts accumulating time without incrementing callCount.
double	getTime () const
	Get the elapsed time in seconds.
unsigned long int	getCallCount () const
	Get the total call count.

Private Attributes
tbb::combinable< unsigned long int >	callCount
tbb::combinable< unsigned long int >	cumulativeTime
tbb::enumerable_thread_specific< timeval >	t1

Detailed Description

A high-resolution, thread-aware timer and call counter class.

Uses OS- specific timers to get better precision (typically microsecond or better resolution) than the cross- platform clock function which typically has a resolution on the order of 10 ms. Multiple threads may independently start() and stop() the same timer. The reported elapsed time will be the sum of the elapsed time from each thread.

Constructor & Destructor Documentation

PerfTimer()

PerfTimer::PerfTimer

(

)

~PerfTimer()

PerfTimer::~PerfTimer ( )

inline

Member Function Documentation

start()

void PerfTimer::start

(

)

Start accumulating time, and increment the call counter.

stop()

void PerfTimer::stop

(

)

Stop accumulating time.

reset()

void PerfTimer::reset

(

)

Reset the accumulated time.

resume()

void PerfTimer::resume

(

)

Starts accumulating time without incrementing callCount.

getTime()

double PerfTimer::getTime

(

)

const

Get the elapsed time in seconds.

getCallCount()

unsigned long PerfTimer::getCallCount

(

)

const

Get the total call count.

Member Data Documentation

callCount

tbb::combinable<unsigned long int> PerfTimer::callCount

private

cumulativeTime

tbb::combinable<unsigned long int> PerfTimer::cumulativeTime

private

t1

tbb::enumerable_thread_specific<timeval> PerfTimer::t1

private

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The documentation for this class was generated from the following files:

• src/perfTimer.h
• src/perfTimer.cpp