Denys wrote:

Additionally, it doesn't show rate in stats (so it is difficult to measure, 
how much is really using each class).

qdisc hfsc 1: root default 200
 Sent 1392761062 bytes 965768 pkt (dropped 52, overlimits 1620539 requeues 0)
 rate 0bit 0pps backlog 0b 0p requeues 0

Thats what rate estimators are for. Add something like "estimator 1 4"
to your qdisc and class creation commands to measure the rate.