#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 int td_steadystate_init(struct thread_data *);
-extern unsigned long long steadystate_bw_mean(struct steadystate_data *);
-extern unsigned long long steadystate_iops_mean(struct steadystate_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;
- 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 {
__FIO_SS_RAMP_OVER = 16,
__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,