mirror of
https://github.com/mod-playerbots/azerothcore-wotlk.git
synced 2025-11-29 17:38:24 +08:00
138 lines
3.4 KiB
C++
138 lines
3.4 KiB
C++
// -*- C++ -*-
|
|
|
|
//==========================================================================
|
|
/**
|
|
* @file Profile_Timer.h
|
|
*
|
|
* @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
|
|
*/
|
|
//==========================================================================
|
|
|
|
|
|
#ifndef ACE_PROFILE_TIMER_H
|
|
#define ACE_PROFILE_TIMER_H
|
|
#include /**/ "ace/pre.h"
|
|
|
|
#include /**/ "ace/config-all.h"
|
|
|
|
#if !defined (ACE_LACKS_PRAGMA_ONCE)
|
|
# pragma once
|
|
#endif /* ACE_LACKS_PRAGMA_ONCE */
|
|
|
|
#include "ace/High_Res_Timer.h"
|
|
|
|
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
|
|
|
|
/**
|
|
* @class ACE_Profile_Timer
|
|
*
|
|
* @brief This class provides both a timing mechanism and a mechanism
|
|
* for reporting the resource usage of a process.
|
|
*/
|
|
class ACE_Export ACE_Profile_Timer
|
|
{
|
|
public:
|
|
|
|
/**
|
|
* @class ACE_Elapsed_Time
|
|
*
|
|
* @brief Keeps track of the various user, system, and elapsed (real)
|
|
* times.
|
|
*/
|
|
class ACE_Elapsed_Time
|
|
{
|
|
public:
|
|
/// Elapsed wall clock time.
|
|
ACE_timer_t real_time;
|
|
|
|
/// CPU time spent in user space.
|
|
ACE_timer_t user_time;
|
|
|
|
/// CPU time spent in system space.
|
|
ACE_timer_t system_time;
|
|
};
|
|
|
|
typedef ACE_Rusage Rusage;
|
|
|
|
// = Initialization and termination methods.
|
|
/// Default constructor. Clears all time values to 0.
|
|
ACE_Profile_Timer (void);
|
|
|
|
/// Shutdown the timer.
|
|
~ACE_Profile_Timer (void);
|
|
|
|
// = Timer methods.
|
|
/// Activate the timer.
|
|
int start (void);
|
|
|
|
/// Stop the timer.
|
|
int stop (void);
|
|
|
|
// = Resource utilization methods.
|
|
/// Compute the time elapsed between calls to @c start() and @c stop().
|
|
int elapsed_time (ACE_Elapsed_Time &et);
|
|
|
|
/// Compute the amount of resource utilization between calls to @c start()
|
|
/// and @c stop().
|
|
void elapsed_rusage (ACE_Profile_Timer::Rusage &rusage);
|
|
|
|
/// Return the resource utilization (don't recompute it).
|
|
void get_rusage (ACE_Profile_Timer::Rusage &rusage);
|
|
|
|
/// Dump the state of an object.
|
|
void dump (void) const;
|
|
|
|
/// Declare the dynamic allocation hooks.
|
|
ACE_ALLOC_HOOK_DECLARE;
|
|
|
|
private:
|
|
/// Compute how much time has elapsed.
|
|
void compute_times (ACE_Elapsed_Time &et);
|
|
|
|
/// Keep track of the starting resource utilization.
|
|
ACE_Profile_Timer::Rusage begin_usage_;
|
|
|
|
/// Keep track of the ending resource utilization.
|
|
ACE_Profile_Timer::Rusage end_usage_;
|
|
|
|
/// Keep track of the last rusage for incremental timing.
|
|
ACE_Profile_Timer::Rusage last_usage_;
|
|
|
|
#if defined (ACE_HAS_PRUSAGE_T)
|
|
/// Subtract two timestructs and store their difference.
|
|
void subtract (timespec_t &tdiff, timespec_t &t0, timespec_t &t1);
|
|
|
|
/// I/O handle for /proc file system.
|
|
ACE_HANDLE proc_handle_;
|
|
|
|
#elif defined (ACE_HAS_GETRUSAGE)
|
|
/// Subtract two timestructs and store their difference.
|
|
void subtract (timeval &tdiff,
|
|
timeval &t0,
|
|
timeval &t1);
|
|
|
|
/// Keep track of the beginning time.
|
|
timeval begin_time_;
|
|
|
|
/// Keep track of the ending time.
|
|
timeval end_time_;
|
|
|
|
/// Keep track of the last time for incremental timing.
|
|
timeval last_time_;
|
|
#endif /* ACE_HAS_PRUSAGE_T */
|
|
|
|
#if defined (ACE_WIN32) || (!defined (ACE_HAS_PRUSAGE_T) && !defined (ACE_HAS_GETRUSAGE))
|
|
/// The high resolution timer
|
|
ACE_High_Res_Timer timer_;
|
|
#endif /* ACE_WIN32 || !ACE_HAS_PRUSAGE_T && !ACE_HAS_GETRUSAGE */
|
|
};
|
|
|
|
ACE_END_VERSIONED_NAMESPACE_DECL
|
|
|
|
#if defined (__ACE_INLINE__)
|
|
# include "ace/Profile_Timer.inl"
|
|
#endif /* __ACE_INLINE__ */
|
|
|
|
#include /**/ "ace/post.h"
|
|
#endif /* ACE_PROFILE_TIMER_H */
|