static void get_event_detail(LttEvent *e, lttv_block* disk_data);
static char * major_minor_to_diskname( lttv_block* disk_data);
static void sum_data(char* diskname, guint size, enum operation_t opt, GArray *disk_array);
static void get_event_detail(LttEvent *e, lttv_block* disk_data);
static char * major_minor_to_diskname( lttv_block* disk_data);
static void sum_data(char* diskname, guint size, enum operation_t opt, GArray *disk_array);