1 #ifndef __UM_TIMEX_H 2 #define __UM_TIMEX_H 3 4 typedef unsigned long cycles_t; 5 get_cycles(void)6 static inline cycles_t get_cycles (void) 7 { 8 return 0; 9 } 10 11 #define CLOCK_TICK_RATE (HZ) 12 13 #endif 14