| Jens Axboe | a734681 | 2012-02-09 15:02:39 +0100 | [diff] [blame] | 1 | #ifndef FIO_GETTIME_H |
| 2 | #define FIO_GETTIME_H |
| 3 | |
| Jens Axboe | 0419419 | 2014-12-16 19:43:55 -0700 | [diff] [blame] | 4 | #include "arch/arch.h" |
| 5 | |
| Jens Axboe | a734681 | 2012-02-09 15:02:39 +0100 | [diff] [blame] | 6 | /* |
| 7 | * Clock sources |
| 8 | */ |
| 9 | enum fio_cs { |
| 10 | CS_GTOD = 1, |
| 11 | CS_CGETTIME, |
| 12 | CS_CPUCLOCK, |
| Jens Axboe | 01423ea | 2012-12-14 20:37:06 +0100 | [diff] [blame] | 13 | CS_INVAL, |
| Jens Axboe | a734681 | 2012-02-09 15:02:39 +0100 | [diff] [blame] | 14 | }; |
| 15 | |
| 16 | extern void fio_gettime(struct timeval *, void *); |
| 17 | extern void fio_gtod_init(void); |
| 18 | extern void fio_clock_init(void); |
| 19 | extern int fio_start_gtod_thread(void); |
| Jens Axboe | 1056413 | 2014-12-23 10:41:34 -0700 | [diff] [blame] | 20 | extern int fio_monotonic_clocktest(int debug); |
| Jens Axboe | 5d87939 | 2012-12-18 09:12:27 +0100 | [diff] [blame] | 21 | extern void fio_local_clock_init(int); |
| Jens Axboe | a734681 | 2012-02-09 15:02:39 +0100 | [diff] [blame] | 22 | |
| Jens Axboe | 39ab7da | 2012-11-06 22:10:43 +0100 | [diff] [blame] | 23 | extern struct timeval *fio_tv; |
| 24 | |
| Jens Axboe | 0419419 | 2014-12-16 19:43:55 -0700 | [diff] [blame] | 25 | static inline int fio_gettime_offload(struct timeval *tv) |
| 26 | { |
| Castor Fu | aedc0b6 | 2015-02-13 06:46:04 -0800 | [diff] [blame] | 27 | time_t last_sec; |
| Jens Axboe | 0419419 | 2014-12-16 19:43:55 -0700 | [diff] [blame] | 28 | |
| 29 | if (!fio_tv) |
| 30 | return 0; |
| 31 | |
| 32 | do { |
| 33 | read_barrier(); |
| 34 | last_sec = tv->tv_sec = fio_tv->tv_sec; |
| 35 | tv->tv_usec = fio_tv->tv_usec; |
| 36 | } while (fio_tv->tv_sec != last_sec); |
| 37 | |
| 38 | return 1; |
| 39 | } |
| 40 | |
| Jens Axboe | 80ac020 | 2014-12-16 20:38:53 -0700 | [diff] [blame] | 41 | extern void fio_gtod_set_cpu(unsigned int cpu); |
| 42 | |
| Jens Axboe | a734681 | 2012-02-09 15:02:39 +0100 | [diff] [blame] | 43 | #endif |