ATLAS Offline Software
Classes | Macros | Functions
RegSelTimer.cxx File Reference
#include <stdlib.h>
#include <pthread.h>
#include "RegSelLUT/RegSelTimer.h"
Include dependency graph for RegSelTimer.cxx:

Go to the source code of this file.

Classes

struct  __gtttimer
 

Macros

#define _timersub   Timersub
 

Functions

int Timersub (struct timeval *, struct timeval *, struct timeval *)
 
void __free_timer (void *t)
 destructor More...
 
void __gtt_gettime (struct timeval *t)
 initialiser More...
 
struct timeval gtttimer_start (void)
 significantly (0.02ms) faster and simpler timer start/stop functions More...
 
double gttd (struct timeval time)
 
double gtttimer_stop (struct timeval start_time)
 

Macro Definition Documentation

◆ _timersub

#define _timersub   Timersub

Definition at line 41 of file RegSelTimer.cxx.

Function Documentation

◆ __free_timer()

void __free_timer ( void *  t)

destructor

Definition at line 48 of file RegSelTimer.cxx.

48 { if ( t!=nullptr ) free((__gtttimer*)t); }

◆ __gtt_gettime()

void __gtt_gettime ( struct timeval *  t)

initialiser

initialise the gtttimer thread specific key get the time, (probably needlessly) mutex protected call to gettimeofday

Definition at line 70 of file RegSelTimer.cxx.

71 {
72  // pthread_mutex_lock(&time_lock);
73  gettimeofday (t, nullptr);
74  // pthread_mutex_unlock(&time_lock);
75 }

◆ gttd()

double gttd ( struct timeval  time)

Definition at line 126 of file RegSelTimer.cxx.

126 { return (time.tv_sec*1000.0) + (time.tv_usec/1000.0); }

◆ gtttimer_start()

struct timeval gtttimer_start ( void  )

significantly (0.02ms) faster and simpler timer start/stop functions

Definition at line 70 of file RegSelTimer.cxx.

119 {
120  struct timeval start_time;
121  __gtt_gettime (&start_time);
122  return start_time;
123 }

◆ gtttimer_stop()

double gtttimer_stop ( struct timeval  start_time)

Definition at line 128 of file RegSelTimer.cxx.

129 {
130  double time = 0;
131  struct timeval stop_time;
132  struct timeval diff_time;
133  // double diff;
134 
135  __gtt_gettime (&stop_time);
136  // pthread_mutex_lock(&time_lock);
137  _timersub( &stop_time, &start_time, &diff_time );
138  // printf("diff: %d\n", _timersub( &stop_time, &start_time, &diff_time ) );
139  // diff = gttd(stop_time)-gttd(start_time);
140  // printf("timer: %12.5f %12.5f %12.5f %12.5f\n", gttd(stop_time), gttd(start_time), gttd(diff_time), diff );
141  // pthread_mutex_unlock(&time_lock);
142  time = (diff_time.tv_sec*1000.0) + (diff_time.tv_usec/1000.0);
143  return time;
144 }

◆ Timersub()

int Timersub ( struct timeval *  stop_time,
struct timeval *  start_time,
struct timeval *  diff_time 
)

Definition at line 147 of file RegSelTimer.cxx.

148 {
149  diff_time->tv_sec = stop_time->tv_sec - start_time->tv_sec;
150  diff_time->tv_usec = stop_time->tv_usec - start_time->tv_usec;
151  return 0;
152 }
__gtttimer
Definition: RegSelTimer.cxx:31
_timersub
#define _timersub
Definition: RegSelTimer.cxx:40
read_hist_ntuple.t
t
Definition: read_hist_ntuple.py:5
__gtt_gettime
void __gtt_gettime(struct timeval *t)
initialiser
Definition: RegSelTimer.cxx:70
CaloSwCorrections.time
def time(flags, cells_name, *args, **kw)
Definition: CaloSwCorrections.py:242