user/parlib/include/timing.h

#ifndef __PARLIB_TIMING_H__
#define __PARLIB_TIMING_H__
#include <stdint.h>

void udelay(uint64_t usec);
void ndelay(uint64_t nsec);
uint64_t udiff(uint64_t begin, uint64_t end);
uint64_t ndiff(uint64_t begin, uint64_t end);

#endif /* __PARLIB_TIMING_H__ */