void init_io_hash_table(void);
struct trace *open_trace(char *filename);
u64 find_last_time(struct trace *trace);
-u64 find_highest_offset(struct trace *trace);
+void find_highest_offset(struct trace *trace, u64 *max_ret, u64 *max_bank_ret,
+ u64 *max_offset_ret);
int filter_outliers(struct trace *trace, u64 max_offset,
u64 *yzoom_min, u64 *yzoom_max);
-
void add_iop(struct trace *trace, struct graph_line_data *gld);
void check_record(struct trace *trace);
void add_completed_io(struct trace *trace,