ACE_Profile_Timer Class Reference

This class provides both a timing mechanism and a mechanism for reporting the resource usage of a process. More...

#include <Profile_Timer.h>

Collaboration diagram for ACE_Profile_Timer:

[legend]

List of all members.

Classes
class	ACE_Elapsed_Time
	Keeps track of the various user, system, and elapsed (real) times. More...
Public Types
typedef ACE_Rusage	Rusage
Public Member Functions
	ACE_Profile_Timer (void)
	Default constructor. Clears all time values to 0.
	~ACE_Profile_Timer (void)
	Shutdown the timer.
int	start (void)
	Activate the timer.
int	stop (void)
	Stop the timer.
int	elapsed_time (ACE_Elapsed_Time &et)
	Compute the time elapsed between calls to start() and stop().
void	elapsed_rusage (ACE_Profile_Timer::Rusage &rusage)
void	get_rusage (ACE_Profile_Timer::Rusage &rusage)
	Return the resource utilization (don't recompute it).
void	dump (void) const
	Dump the state of an object.
Public Attributes
	ACE_ALLOC_HOOK_DECLARE
	Declare the dynamic allocation hooks.
Private Member Functions
void	compute_times (ACE_Elapsed_Time &et)
	Compute how much time has elapsed.
void	subtract (timespec_t &tdiff, timespec_t &t0, timespec_t &t1)
	Substract two timestructs and store their difference.
void	subtract (timeval &tdiff, timeval &t0, timeval &t1)
	Substract two timestructs and store their difference.
Private Attributes
ACE_Profile_Timer::Rusage	begin_usage_
	Keep track of the starting resource utilization.
ACE_Profile_Timer::Rusage	end_usage_
	Keep track of the ending resource utilization.
ACE_Profile_Timer::Rusage	last_usage_
	Keep track of the last rusage for incremental timing.
ACE_HANDLE	proc_handle_
	I/O handle for /proc file system.
timeval	begin_time_
	Keep track of the beginning time.
timeval	end_time_
	Keep track of the ending time.
timeval	last_time_
	Keep track of the last time for incremental timing.
ACE_High_Res_Timer	timer_
	The high resolution timer.

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Detailed Description

This class provides both a timing mechanism and a mechanism for reporting the resource usage of a process.

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Member Typedef Documentation

typedef ACE_Rusage ACE_Profile_Timer::Rusage

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Constructor & Destructor Documentation

ACE_Profile_Timer::ACE_Profile_Timer

(

void

)

Default constructor. Clears all time values to 0.

ACE_Profile_Timer::~ACE_Profile_Timer

(

void

)

Shutdown the timer.

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Member Function Documentation

void ACE_Profile_Timer::compute_times

(

ACE_Elapsed_Time &

et

)

[private]

Compute how much time has elapsed.

void ACE_Profile_Timer::dump

(

void

)

const

Dump the state of an object.

void ACE_Profile_Timer::elapsed_rusage

(

ACE_Profile_Timer::Rusage &

rusage

)

Compute the amount of resource utilization between calls to start() and stop().

int ACE_Profile_Timer::elapsed_time

(

ACE_Elapsed_Time &

et

)

Compute the time elapsed between calls to start() and stop().

void ACE_Profile_Timer::get_rusage

(

ACE_Profile_Timer::Rusage &

rusage

)

Return the resource utilization (don't recompute it).

int ACE_Profile_Timer::start

(

void

)

Activate the timer.

int ACE_Profile_Timer::stop

(

void

)

Stop the timer.

void ACE_Profile_Timer::subtract	(	timeval &	tdiff,
		timeval &	t0,
		timeval &	t1
	)			[private]

Substract two timestructs and store their difference.

void ACE_Profile_Timer::subtract	(	timespec_t &	tdiff,
		timespec_t &	t0,
		timespec_t &	t1
	)			[private]

Substract two timestructs and store their difference.

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Member Data Documentation

ACE_Profile_Timer::ACE_ALLOC_HOOK_DECLARE

Declare the dynamic allocation hooks.

timeval ACE_Profile_Timer::begin_time_ [private]

Keep track of the beginning time.

ACE_Profile_Timer::Rusage ACE_Profile_Timer::begin_usage_ [private]

Keep track of the starting resource utilization.

timeval ACE_Profile_Timer::end_time_ [private]

Keep track of the ending time.

ACE_Profile_Timer::Rusage ACE_Profile_Timer::end_usage_ [private]

Keep track of the ending resource utilization.

timeval ACE_Profile_Timer::last_time_ [private]

Keep track of the last time for incremental timing.

ACE_Profile_Timer::Rusage ACE_Profile_Timer::last_usage_ [private]

Keep track of the last rusage for incremental timing.

ACE_HANDLE ACE_Profile_Timer::proc_handle_ [private]

I/O handle for /proc file system.

ACE_High_Res_Timer ACE_Profile_Timer::timer_ [private]

The high resolution timer.

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

• Profile_Timer.h
• Profile_Timer.cpp
• Profile_Timer.inl