| #ifndef FIO_BLKTRACE_H |
| #define FIO_BLKTRACE_H |
| |
| |
| #ifdef FIO_HAVE_BLKTRACE |
| |
| #include <asm/types.h> |
| |
| #include "blktrace_api.h" |
| |
| struct blktrace_cursor { |
| struct fifo *fifo; // fifo queue for reading |
| int fd; // blktrace file |
| __u64 length; // length of trace |
| struct blk_io_trace t; // current io trace |
| int swap; // bitwise reverse required |
| int scalar; // scale percentage |
| int iter; // current iteration |
| int nr_iter; // number of iterations to run |
| }; |
| |
| bool is_blktrace(const char *, int *); |
| bool load_blktrace(struct thread_data *, const char *, int); |
| int merge_blktrace_iologs(struct thread_data *td); |
| |
| #else |
| |
| static inline bool is_blktrace(const char *fname, int *need_swap) |
| { |
| return false; |
| } |
| |
| static inline bool load_blktrace(struct thread_data *td, const char *fname, |
| int need_swap) |
| { |
| return false; |
| } |
| |
| static inline int merge_blktrace_iologs(struct thread_data *td) |
| { |
| return false; |
| } |
| |
| #endif |
| #endif |