projects / fio.git / blame
| Commit | Line | Data |
|---|---|---|
| 1a7081c7 JA |
1 | #ifndef FIO_LAT_TARGET_H |
| 2 | #define FIO_LAT_TARGET_H | |
| 3 | ||
| 4 | #include "fio.h" | |
| 5 | ||
| 6 | enum { | |
| 7 | IOD_STEPPED_DEF_RAMP = 5000, | |
| 8 | IOD_STEPPED_DEF_RUN = 30000, | |
| 9 | }; | |
| 10 | ||
| 11 | /* | |
| 12 | * Starts out as PROBE_RAMP -> PROBE_RUN, then iterations of | |
| 13 | * RAMP -> RUN with various iops limiting settings | |
| 14 | */ | |
| 15 | enum { | |
| 16 | IOD_STATE_PROBE_RAMP = 1, | |
| 17 | IOD_STATE_PROBE_RUN, | |
| 18 | IOD_STATE_RAMP, | |
| 19 | IOD_STATE_RUN, | |
| 20 | IOD_STATE_DONE, | |
| 21 | }; | |
| 22 | ||
| 23 | /* | |
| 24 | * Latency target helpers | |
| 25 | */ | |
| 26 | void lat_target_init(struct thread_data *); | |
| 27 | void lat_target_reset(struct thread_data *); | |
| 28 | bool lat_target_failed(struct thread_data *td); | |
| 29 | void lat_step_report(struct thread_stat *ts, struct buf_output *out); | |
| 30 | bool lat_ts_has_stats(struct thread_stat *ts); | |
| 31 | bool __lat_ts_has_stats(struct thread_stat *ts, enum fio_ddir); | |
| 32 | ||
| 33 | void lat_fatal(struct thread_data *td, unsigned long long tnsec, | |
| 34 | unsigned long long max_nsec); | |
| 35 | ||
| 36 | bool lat_step_check(struct thread_data *td); | |
| 37 | void __lat_target_check(struct thread_data *td); | |
| 38 | ||
| 39 | static inline bool lat_target_check(struct thread_data *td) | |
| 40 | { | |
| 41 | if (td->o.latency_target) { | |
| 42 | __lat_target_check(td); | |
| 43 | return false; | |
| 44 | } else if (td->o.iodepth_mode == IOD_STEPPED) | |
| 45 | return lat_step_check(td); | |
| 46 | ||
| 47 | return false; | |
| 48 | } | |
| 49 | ||
| 50 | static inline bool lat_step_account(struct thread_data *td) | |
| 51 | { | |
| 52 | if (td->o.iodepth_mode != IOD_STEPPED) | |
| 53 | return true; | |
| 54 | ||
| 55 | return td->latency_state == IOD_STATE_RUN; | |
| 56 | } | |
| 57 | ||
| 58 | #endif |