|  | #ifndef __PARLIB_TIMING_H__ | 
|  | #define __PARLIB_TIMING_H__ | 
|  | #include <stdint.h> | 
|  | #include <tsc-compat.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); | 
|  |  | 
|  | /* Conversion btw tsc ticks and time units.  From Akaros's kern/src/time.c */ | 
|  | uint64_t tsc2sec(uint64_t tsc_time); | 
|  | uint64_t tsc2msec(uint64_t tsc_time); | 
|  | uint64_t tsc2usec(uint64_t tsc_time); | 
|  | uint64_t tsc2nsec(uint64_t tsc_time); | 
|  | uint64_t sec2tsc(uint64_t sec); | 
|  | uint64_t msec2tsc(uint64_t msec); | 
|  | uint64_t usec2tsc(uint64_t usec); | 
|  | uint64_t nsec2tsc(uint64_t nsec); | 
|  |  | 
|  | #endif /* __PARLIB_TIMING_H__ */ |