mirror_zfs/modules/spl/spl-time.c
behlendo 937879f11d Update SPL to use new debug infrastructure. This means:
- Replacing all BUG_ON()'s with proper ASSERT()'s
- Using ENTRY,EXIT,GOTO, and RETURN macro to instument call paths



git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@78 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
2008-04-21 17:29:47 +00:00

44 lines
993 B
C

#include <sys/sysmacros.h>
#include <sys/time.h>
#include "config.h"
#ifdef DEBUG_SUBSYSTEM
#undef DEBUG_SUBSYSTEM
#endif
#define DEBUG_SUBSYSTEM S_TIME
void
__gethrestime(timestruc_t *ts)
{
getnstimeofday((struct timespec *)ts);
}
EXPORT_SYMBOL(__gethrestime);
int
__clock_gettime(clock_type_t type, timespec_t *tp)
{
/* Only support CLOCK_REALTIME+__CLOCK_REALTIME0 for now */
ASSERT((type == CLOCK_REALTIME) || (type == __CLOCK_REALTIME0));
getnstimeofday(tp);
return 0;
}
EXPORT_SYMBOL(__clock_gettime);
/* This function may not be as fast as using monotonic_clock() but it
* should be much more portable, if performance becomes as issue we can
* look at using monotonic_clock() for x86_64 and x86 arches.
*/
hrtime_t
__gethrtime(void) {
timespec_t tv;
hrtime_t rc;
do_posix_clock_monotonic_gettime(&tv);
rc = (NSEC_PER_SEC * (hrtime_t)tv.tv_sec) + (hrtime_t)tv.tv_nsec;
return rc;
}
EXPORT_SYMBOL(__gethrtime);