Merge branch 'ci' of https://github.com/sitsofe/fio
[fio.git] / steadystate.h
index 43670c12b0bb50394431b5d3bacdb4a2d1b80989..bbc3945ceb93e0bf89d89e7d2accdd6c34dd31dd 100644 (file)
@@ -1,43 +1,43 @@
 #ifndef FIO_STEADYSTATE_H
 #define FIO_STEADYSTATE_H
 
+#include "stat.h"
 #include "thread_options.h"
+#include "lib/ieee754.h"
 
 extern void steadystate_check(void);
 extern void steadystate_setup(void);
-extern void td_steadystate_init(struct thread_data *);
+extern int td_steadystate_init(struct thread_data *);
+extern uint64_t steadystate_bw_mean(struct thread_stat *);
+extern uint64_t steadystate_iops_mean(struct thread_stat *);
 
 extern bool steadystate_enabled;
 
-/*
- * For steady state detection
- */
 struct steadystate_data {
        double limit;
        unsigned long long dur;
        unsigned long long ramp_time;
-       bool pct;
 
-       unsigned int state;
+       uint32_t state;
 
        unsigned int head;
        unsigned int tail;
-       unsigned long *iops_data;
-       unsigned long *bw_data;
+       uint64_t *iops_data;
+       uint64_t *bw_data;
 
        double slope;
-       double criterion;
        double deviation;
+       double criterion;
 
-       unsigned long long sum_y;
-       unsigned long long sum_x;
-       unsigned long long sum_x_sq;
-       unsigned long long sum_xy;
-       unsigned long long oldest_y;
+       uint64_t sum_y;
+       uint64_t sum_x;
+       uint64_t sum_x_sq;
+       uint64_t sum_xy;
+       uint64_t oldest_y;
 
-       struct timeval prev_time;
-       unsigned long long prev_iops;
-       unsigned long long prev_bytes;
+       struct timespec prev_time;
+       uint64_t prev_iops;
+       uint64_t prev_bytes;
 };
 
 enum {
@@ -46,7 +46,9 @@ enum {
        __FIO_SS_SLOPE          = 4,
        __FIO_SS_ATTAINED       = 8,
        __FIO_SS_RAMP_OVER      = 16,
-       __FIO_SS_LAST           = 32,
+       __FIO_SS_DATA           = 32,
+       __FIO_SS_PCT            = 64,
+       __FIO_SS_BUFFER_FULL    = 128,
 
        FIO_SS_IOPS             = __FIO_SS_IOPS,
        FIO_SS_IOPS_SLOPE       = __FIO_SS_IOPS | __FIO_SS_SLOPE,