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time: don't try to use the coarse clock

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as we prefer to use the suspend aware CLOCK_BOOTTIME as monotonic clock source
we cannot deal with the mono coarse clock any more. Actually I never saw a real
performance gain with it.

Signed-off-by: Björn Jacke <bj@sernet.de>
Reviewed-by: Simo Sorce <idra@samba.org>
This commit is contained in:
Björn Jacke 2013-07-03 18:51:14 +02:00 committed by Simo Sorce
parent 2bdaf532cd
commit e3c2dd13d4
1 changed files with 2 additions and 9 deletions
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9
lib/util/time.c
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@ -69,19 +69,12 @@ _PUBLIC_ void clock_gettime_mono(struct timespec *tp)
/** /**
a wrapper to preferably get the monotonic time in seconds a wrapper to preferably get the monotonic time in seconds
as this is only second resolution we can use the cached
(and much faster) COARSE clock variant
**/ **/
_PUBLIC_ time_t time_mono(time_t *t) _PUBLIC_ time_t time_mono(time_t *t)
{ {
struct timespec tp; struct timespec tp;
int rc = -1;
#ifdef CLOCK_MONOTONIC_COARSE
rc = clock_gettime(CLOCK_MONOTONIC_COARSE,&tp);
#endif
if (rc != 0) {
clock_gettime_mono(&tp); clock_gettime_mono(&tp);
}
if (t != NULL) { if (t != NULL) {
*t = tp.tv_sec; *t = tp.tv_sec;
} }