+extern void show_run_stats(void);
+extern void __show_run_stats(void);
+extern void __show_running_run_stats(void);
+extern void show_running_run_stats(void);
+extern void check_for_running_stats(void);
+extern void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, bool first);
+extern void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src);
+extern void init_thread_stat(struct thread_stat *ts);
+extern void init_group_run_stat(struct group_run_stats *gs);
+extern void eta_to_str(char *str, unsigned long eta_sec);
+extern int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, double *mean, double *dev);
+extern unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr, fio_fp64_t *plist, unsigned int **output, unsigned int *maxv, unsigned int *minv);
+extern void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat);
+extern void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat);
+extern void stat_calc_dist(unsigned int *map, unsigned long total, double *io_u_dist);
+extern void reset_io_stats(struct thread_data *);
+extern void update_rusage_stat(struct thread_data *);
+extern void clear_rusage_stat(struct thread_data *);
+
+extern void add_lat_sample(struct thread_data *, enum fio_ddir, unsigned long,
+ unsigned int, uint64_t);
+extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long,
+ unsigned int, uint64_t);
+extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long,
+ unsigned int, uint64_t);
+extern void add_bw_sample(struct thread_data *, enum fio_ddir, unsigned int,
+ struct timeval *);
+extern void add_iops_sample(struct thread_data *, enum fio_ddir, unsigned int,
+ struct timeval *);
+extern void add_agg_sample(unsigned long, enum fio_ddir, unsigned int);
+
+extern struct io_log *agg_io_log[DDIR_RWDIR_CNT];
+extern int write_bw_log;
+
+static inline int usec_to_msec(unsigned long *min, unsigned long *max,
+ double *mean, double *dev)
+{
+ if (*min > 1000 && *max > 1000 && *mean > 1000.0 && *dev > 1000.0) {
+ *min /= 1000;
+ *max /= 1000;
+ *mean /= 1000.0;
+ *dev /= 1000.0;
+ return 0;
+ }
+
+ return 1;
+}
+/*
+ * Worst level condensing would be 1:5, so allow enough room for that
+ */
+#define __THREAD_RUNSTR_SZ(nr) ((nr) * 5)
+#define THREAD_RUNSTR_SZ __THREAD_RUNSTR_SZ(thread_number)
+
+uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u);