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eina evlog - use CORRECT clock (monotonic) not gettimeofday if possible

This commit is contained in:
Carsten Haitzler 2015-10-12 21:42:18 +09:00
parent 6153471ac3
commit 8dd44c13c8
1 changed files with 40 additions and 0 deletions
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40
src/lib/eina/eina_evlog.c
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@ -26,6 +26,16 @@
#ifdef EINA_HAVE_DEBUG
#ifdef HAVE_EVIL
# include <Evil.h>
#endif
#if defined(__APPLE__) && defined(__MACH__)
# include <mach/mach_time.h>
#endif
#include <time.h>
# ifdef HAVE_MMAP
# include <sys/mman.h>
# endif
@ -38,12 +48,42 @@ static int _evlog_go = 0;
static Eina_Evlog_Buf *buf; // current event log we are writing events to
static Eina_Evlog_Buf buffers[2]; // double-buffer our event log buffers
#if defined (HAVE_CLOCK_GETTIME) || defined (EXOTIC_PROVIDE_CLOCK_GETTIME)
static clockid_t _eina_evlog_time_clock_id = -1;
#elif defined(__APPLE__) && defined(__MACH__)
static double _eina_evlog_time_clock_conversion = 1e-9;
#endif
static inline double
get_time(void)
{
#if defined (HAVE_CLOCK_GETTIME) || defined (EXOTIC_PROVIDE_CLOCK_GETTIME)
struct timespec t;
if (EINA_UNLIKELY(_eina_evlog_time_clock_id < 0))
{
if (!clock_gettime(CLOCK_MONOTONIC, &t))
_eina_evlog_time_clock_id = CLOCK_MONOTONIC;
else
_eina_evlog_time_clock_id = CLOCK_REALTIME;
}
if (EINA_UNLIKELY(clock_gettime(_eina_evlog_time_clock_id, &t)))
{
struct timeval timev;
gettimeofday(&timev, NULL);
return (double)timev.tv_sec + (((double)timev.tv_usec) / 1000000.0);
}
return (double)t.tv_sec + (((double)t.tv_nsec) / 1000000000.0);
#elif defined(HAVE_EVIL)
return evil_time_get();
#elif defined(__APPLE__) && defined(__MACH__)
return _eina_evlog_time_clock_conversion * (double)mach_absolute_time();
#else
struct timeval timev;
gettimeofday(&timev, NULL);
return (double)timev.tv_sec + (((double)timev.tv_usec) / 1000000.0);
#endif
}
static void