projects / fio.git / blame
| Commit | Line | Data |
|---|---|---|
| 16e56d25 VF |
1 | #ifndef FIO_STEADYSTATE_H |
| 2 | #define FIO_STEADYSTATE_H | |
| 3 | ||
| 4 | extern void steadystate_check(void); | |
| 5 | extern void steadystate_setup(void); | |
| ba8fb6f6 | 6 | extern void steadystate_alloc(struct thread_data *); |
| 16e56d25 VF |
7 | extern bool steadystate_deviation(unsigned long, unsigned long, struct thread_data *); |
| 8 | extern bool steadystate_slope(unsigned long, unsigned long, struct thread_data *); | |
| 0a70e050 JA |
9 | |
| 10 | /* | |
| 11 | * For steady state detection | |
| 12 | */ | |
| 13 | struct steadystate_data { | |
| 14 | double limit; | |
| 15 | unsigned long long dur; | |
| 16 | unsigned long long ramp_time; | |
| 17 | bool (*evaluate)(unsigned long, unsigned long, struct thread_data *); | |
| 18 | bool check_iops; | |
| 19 | bool check_slope; | |
| 20 | bool pct; | |
| 21 | ||
| 22 | int attained; | |
| 23 | int last_in_group; | |
| 24 | int ramp_time_over; | |
| 25 | ||
| 26 | unsigned int head; | |
| 27 | unsigned int tail; | |
| 28 | unsigned long *iops_data; | |
| 29 | unsigned long *bw_data; | |
| 30 | ||
| 31 | double slope; | |
| 32 | double criterion; | |
| 33 | double deviation; | |
| 34 | ||
| 35 | unsigned long long sum_y; | |
| 36 | unsigned long long sum_x; | |
| 37 | unsigned long long sum_x_sq; | |
| 38 | unsigned long long sum_xy; | |
| 39 | unsigned long long oldest_y; | |
| 40 | ||
| 41 | struct timeval prev_time; | |
| 42 | unsigned long long prev_iops; | |
| 43 | unsigned long long prev_bytes; | |
| 44 | }; | |
| 45 | ||
| 16e56d25 | 46 | #endif |