projects / fio.git / blame
| Commit | Line | Data |
|---|---|---|
| 16e56d25 VF |
1 | #ifndef FIO_STEADYSTATE_H |
| 2 | #define FIO_STEADYSTATE_H | |
| 3 | ||
| 4cd5b75b JA |
4 | #include "thread_options.h" |
| 5 | ||
| 16e56d25 VF |
6 | extern void steadystate_check(void); |
| 7 | extern void steadystate_setup(void); | |
| 56a90eba | 8 | extern int td_steadystate_init(struct thread_data *); |
| 4cd5b75b | 9 | |
| 84784e07 | 10 | extern bool steadystate_enabled; |
| 0a70e050 JA |
11 | |
| 12 | /* | |
| 13 | * For steady state detection | |
| 14 | */ | |
| 15 | struct steadystate_data { | |
| 16 | double limit; | |
| 17 | unsigned long long dur; | |
| 18 | unsigned long long ramp_time; | |
| 0a70e050 JA |
19 | bool pct; |
| 20 | ||
| 5b4b6586 | 21 | unsigned int state; |
| 0a70e050 JA |
22 | |
| 23 | unsigned int head; | |
| 24 | unsigned int tail; | |
| 25 | unsigned long *iops_data; | |
| 26 | unsigned long *bw_data; | |
| 27 | ||
| 28 | double slope; | |
| 29 | double criterion; | |
| 30 | double deviation; | |
| 31 | ||
| 32 | unsigned long long sum_y; | |
| 33 | unsigned long long sum_x; | |
| 34 | unsigned long long sum_x_sq; | |
| 35 | unsigned long long sum_xy; | |
| 36 | unsigned long long oldest_y; | |
| 37 | ||
| 38 | struct timeval prev_time; | |
| 39 | unsigned long long prev_iops; | |
| 40 | unsigned long long prev_bytes; | |
| 41 | }; | |
| 42 | ||
| 4cd5b75b | 43 | enum { |
| ad743db4 JA |
44 | __FIO_SS_IOPS = 1, |
| 45 | __FIO_SS_BW = 2, | |
| 46 | __FIO_SS_SLOPE = 4, | |
| 47 | __FIO_SS_ATTAINED = 8, | |
| 5b4b6586 JA |
48 | __FIO_SS_RAMP_OVER = 16, |
| 49 | __FIO_SS_LAST = 32, | |
| f0c50c66 JA |
50 | |
| 51 | FIO_SS_IOPS = __FIO_SS_IOPS, | |
| 52 | FIO_SS_IOPS_SLOPE = __FIO_SS_IOPS | __FIO_SS_SLOPE, | |
| 53 | FIO_SS_BW = __FIO_SS_BW, | |
| 54 | FIO_SS_BW_SLOPE = __FIO_SS_BW | __FIO_SS_SLOPE, | |
| 4cd5b75b JA |
55 | }; |
| 56 | ||
| 84784e07 JA |
57 | #define STEADYSTATE_MSEC 1000 |
| 58 | ||
| 16e56d25 | 59 | #endif |