#ifndef FIO_TIME_H #define FIO_TIME_H /* * Clock sources */ enum fio_cs { CS_GTOD = 1, CS_CGETTIME, CS_CPUCLOCK, }; extern unsigned long long utime_since(struct timeval *, struct timeval *); extern unsigned long long utime_since_now(struct timeval *); extern unsigned long mtime_since(struct timeval *, struct timeval *); extern unsigned long mtime_since_now(struct timeval *); extern unsigned long time_since_now(struct timeval *); extern unsigned long mtime_since_genesis(void); extern void usec_spin(unsigned int); extern void usec_sleep(struct thread_data *, unsigned long); extern void fill_start_time(struct timeval *); extern void fio_gettime(struct timeval *, void *); extern void fio_gtod_init(void); extern void fio_clock_init(void); extern void fio_gtod_update(void); extern void set_genesis_time(void); extern int ramp_time_over(struct thread_data *); extern int in_ramp_time(struct thread_data *); extern unsigned long long genesis_cycles; extern void fio_time_init(void); #endif