rem: kprintf(" read sem count:  %ld\n", count);
add: kprintf(" read_sem count:  %ld\n", count);
context: _dump_port_info(struct port_entry *port){	int32 count;	kprintf("PORT: %p\n", port);	kprintf(" name:            \"%s\"\n", port->name);	kprintf(" owner:           %#lx\n", port->owner);	kprintf(" capacity:        %ld\n", port->capacity); 	get_sem_count(port->read_sem, &count); 	kprintf(" read sem count:  %ld\n", count); 	get_sem_count(port->write_sem, &count);	kprintf(" write sem count: %ld\n", count);	kprintf(" total count:     %ld\n", port->total_count);}