1 #ifndef _TIMEKEEPING_INTERNAL_H 2 #define _TIMEKEEPING_INTERNAL_H 3 /* 4 * timekeeping debug functions 5 */ 6 #include <linux/clocksource.h> 7 #include <linux/time.h> 8 9 #ifdef CONFIG_DEBUG_FS 10 extern void tk_debug_account_sleep_time(struct timespec64 *t); 11 #else 12 #define tk_debug_account_sleep_time(x) 13 #endif 14 15 static inline cycle_t clocksource_delta(cycle_t now, cycle_t last, cycle_t mask) 16 { 17 return (now - last) & mask; 18 } 19 20 #endif /* _TIMEKEEPING_INTERNAL_H */ 21