| 1 | #ifndef FIO_BLKTRACE_H |
| 2 | #define FIO_BLKTRACE_H |
| 3 | |
| 4 | |
| 5 | #ifdef FIO_HAVE_BLKTRACE |
| 6 | |
| 7 | #include <asm/types.h> |
| 8 | |
| 9 | #include "blktrace_api.h" |
| 10 | |
| 11 | struct blktrace_cursor { |
| 12 | struct fifo *fifo; // fifo queue for reading |
| 13 | int fd; // blktrace file |
| 14 | __u64 length; // length of trace |
| 15 | struct blk_io_trace t; // current io trace |
| 16 | int swap; // bitwise reverse required |
| 17 | int scalar; // scale percentage |
| 18 | int iter; // current iteration |
| 19 | int nr_iter; // number of iterations to run |
| 20 | }; |
| 21 | |
| 22 | bool is_blktrace(const char *, int *); |
| 23 | bool load_blktrace(struct thread_data *, const char *, int); |
| 24 | int merge_blktrace_iologs(struct thread_data *td); |
| 25 | |
| 26 | #else |
| 27 | |
| 28 | static inline bool is_blktrace(const char *fname, int *need_swap) |
| 29 | { |
| 30 | return false; |
| 31 | } |
| 32 | |
| 33 | static inline bool load_blktrace(struct thread_data *td, const char *fname, |
| 34 | int need_swap) |
| 35 | { |
| 36 | return false; |
| 37 | } |
| 38 | |
| 39 | static inline int merge_blktrace_iologs(struct thread_data *td) |
| 40 | { |
| 41 | return false; |
| 42 | } |
| 43 | |
| 44 | #endif |
| 45 | #endif |