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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ace
//
// = FILENAME
// High_Res_Timer.h
//
// = AUTHOR
// Doug Schmidt
//
// ============================================================================
#if !defined (ACE_HIGH_RES_TIMER_H)
#define ACE_HIGH_RES_TIMER_H
#include "ace/ACE.h"
#if defined (ACE_HAS_HI_RES_TIMER) || defined (ACE_HAS_AIX_HIRES_TIMER)
class ACE_Export ACE_High_Res_Timer
// = TITLE
// A high resolution timer class wrapper that encapsulates
// Solaris timers.
{
public:
// = Initialization method.
ACE_High_Res_Timer (void);
// Initialize the timer.
void reset (void);
// Reinitialize the timer.
void start (void);
// Start timing.
void stop (void);
// Stop timing.
void start_incr (void);
// Start incremental timing.
void stop_incr (void);
// Stop incremental timing.
#if defined (ACE_HAS_POSIX_TIME)
const timespec_t &elapsed_time (void);
// returns the elapsed (stop - start) time in a timespec_t (sec, nsec)
#endif /* ACE_HAS_POSIX_TIME */
void elapsed_microseconds (hrtime_t &usecs) const;
// Sets <usecs> to the elapsed (stop - start) time in microseconds
void print_total (const char *message,
const int iterations = 1,
ACE_HANDLE handle = ACE_STDOUT);
// Print total time. NOTE: only use print_total ()
// if incremental timings had been used!
void print_ave (const char *message,
const int iterations = 1,
ACE_HANDLE handle = ACE_STDOUT);
// Print average time.
void dump (void) const;
// Dump the state of an object.
ACE_ALLOC_HOOK_DECLARE;
// Declare the dynamic allocation hooks.
private:
hrtime_t start_;
// Starting time.
hrtime_t end_;
// Ending time.
hrtime_t total_;
// Total elapsed time.
hrtime_t temp_;
// Temp time used for incremental timing.
#if defined (ACE_HAS_POSIX_TIME)
timespec_t elapsed_time_;
#endif /* ACE_HAS_POSIX_TIME */
};
#if defined (__ACE_INLINE__)
#include "ace/High_Res_Timer.i"
#endif /* __ACE_INLINE__ */
#endif /* ACE_HAS_HI_RES_TIMER || ACE_HAS_AIX_HIRES_TIMER */
#endif /* ACE_HIGH_RES_TIMER_H */
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