timeutil.h File Reference

utility functions for handling time related stuff More...

#include <chrono>
#include <string>
#include "g2o/stuff/misc.h"
#include "g2o_stuff_api.h"

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Classes
class	g2o::ScopeTime
	Class to measure the time spent in a scope. More...

Namespaces
namespace	g2o

Macros
#define	DO_EVERY_TS(secs, currentTime, code)
#define	DO_EVERY(secs, code)   DO_EVERY_TS(secs, g2o::get_time(), code)
	Executes code, only if secs are gone since last exec.
#define	MEASURE_TIME(text, code)
#define	MEASURE_FUNCTION_TIME   g2o::ScopeTime scopeTime(__PRETTY_FUNCTION__)

Typedefs
using	g2o::seconds = std::chrono::duration< double >

Functions
double	g2o::get_time ()
double	g2o::get_monotonic_time ()

Detailed Description

utility functions for handling time related stuff

Definition in file timeutil.h.

Macro Definition Documentation

DO_EVERY

#define DO_EVERY	(		secs,
			code
	)		DO_EVERY_TS(secs, g2o::get_time(), code)

Executes code, only if secs are gone since last exec.

Definition at line 62 of file timeutil.h.

DO_EVERY_TS

#define DO_EVERY_TS	(		secs,
			currentTime,
			code
	)

Value:

  if (1) {                                          \
    static double s_lastDone_ = (currentTime);      \
    double s_now_ = (currentTime);                  \
    if (s_lastDone_ > s_now_) s_lastDone_ = s_now_; \
    if (s_now_ - s_lastDone_ > (secs)) {            \
      code;                                         \
      s_lastDone_ = s_now_;                         \
    }                                               \
  } else                                            \
    (void)0

Executes code, only if secs are gone since last exec. extended version, in which the current time is given, e.g., timestamp of IPC message

Definition at line 47 of file timeutil.h.

         {                                          \
    static double s_lastDone_ = (currentTime);      \
    double s_now_ = (currentTime);                  \
    if (s_lastDone_ > s_now_) s_lastDone_ = s_now_; \
    if (s_now_ - s_lastDone_ > (secs)) {            \
      code;                                         \
      s_lastDone_ = s_now_;                         \
    }                                               \
  } else                                            \
    (void)0

MEASURE_FUNCTION_TIME

#define MEASURE_FUNCTION_TIME   g2o::ScopeTime scopeTime(__PRETTY_FUNCTION__)

Definition at line 112 of file timeutil.h.

MEASURE_TIME

#define MEASURE_TIME	(		text,
			code
	)

Value:

  if (1) {                                                             \
    double _start_time_ = g2o::get_time();                             \
    code;                                                              \
    G2O_DEBUG("{} took {} sec", text, g2o::get_time() - _start_time_); \
  } else                                                               \
    (void)0

Definition at line 66 of file timeutil.h.

         {                                                             \
    double _start_time_ = g2o::get_time();                             \
    code;                                                              \
    G2O_DEBUG("{} took {} sec", text, g2o::get_time() - _start_time_); \
  } else                                                               \
    (void)0