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43 lines
757 B
43 lines
757 B
#ifndef FIO_GETTIME_H |
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#define FIO_GETTIME_H |
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#include "arch/arch.h" |
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/* |
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* Clock sources |
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*/ |
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enum fio_cs { |
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CS_GTOD = 1, |
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CS_CGETTIME, |
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CS_CPUCLOCK, |
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CS_INVAL, |
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}; |
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extern void fio_gettime(struct timeval *, void *); |
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extern void fio_gtod_init(void); |
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extern void fio_clock_init(void); |
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extern int fio_start_gtod_thread(void); |
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extern int fio_monotonic_clocktest(int debug); |
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extern void fio_local_clock_init(int); |
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extern struct timeval *fio_tv; |
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static inline int fio_gettime_offload(struct timeval *tv) |
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{ |
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time_t last_sec; |
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if (!fio_tv) |
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return 0; |
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do { |
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read_barrier(); |
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last_sec = tv->tv_sec = fio_tv->tv_sec; |
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tv->tv_usec = fio_tv->tv_usec; |
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} while (fio_tv->tv_sec != last_sec); |
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return 1; |
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} |
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extern void fio_gtod_set_cpu(unsigned int cpu); |
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#endif
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