LARTC - Apr 2005 - Is there a tool to monitor flow rate in each class at real time?

hello everyone!
I have used ethloop written by devik which generate and monitor ether packets.
Now I want to generate ip packets with application softwares, and i still want
to monitor the flow rate within each class i created with tc,is there
a tool that could
help me with it?
Thanks for any help:)
alfred
Apr.30 2005