extern int spontaneous_flush_periods;
extern int max_separated_periods;
extern int need_activity_periods;
+extern int stats_log_periods;
extern int lowvol_thresh;
extern int lowvol_periods;
/*========== general operational variables ==========*/
-/* innduct.c */
+/* duct.c */
extern oop_source *loop;
extern ConnList conns;
extern char *path_lock, *path_flushing, *path_defer, *path_dump;
extern int *lowvol_perperiod;
extern int lowvol_circptr;
extern int lowvol_total; /* does not include current period */
+extern int until_stats_log;
/* statemc.c */
extern StateMachineState sms;