root@OpenWrt:~# tc -s -d class sh dev ppp0 
class hfsc 1: root 
 Sent 0 bytes 0 pkts (dropped 0, overlimits 0) 
 period 0 level 2 

class hfsc 1:1 parent 1: sc m1 0bit d 0us m2 115000bit ul m1 0bit d 0us m2 115000bit 
 Sent 0 bytes 0 pkts (dropped 0, overlimits 0) 
 period 212738 work 93202937 bytes level 1 

class hfsc 1:10 parent 1:1 leaf 100: rt m1 96000bit d 25.0ms m2 57000bit ls m1 96000bit d 25.0ms m2 86000bit ul m1 0bit d 0us m2 115000bit 
 Sent 3276994 bytes 45863 pkts (dropped 12, overlimits 0) 
 period 44993 work 3276994 bytes rtwork 3221882 bytes level 0 

class hfsc 1:20 parent 1:1 leaf 200: rt m1 99048bit d 105.0ms m2 34000bit ls m1 99048bit d 105.0ms m2 92000bit ul m1 0bit d 0us m2 115000bit 
 Sent 15426754 bytes 78318 pkts (dropped 5981, overlimits 0) 
 period 54343 work 15424638 bytes rtwork 6697034 bytes level 0 

class hfsc 1:30 parent 1:1 leaf 300: rt m1 47248bit d 254.0ms m2 23000bit ls m1 47248bit d 254.0ms m2 34000bit ul m1 0bit d 0us m2 115000bit 
 Sent 736664 bytes 3751 pkts (dropped 20, overlimits 0) 
 period 3560 work 737385 bytes rtwork 561834 bytes level 0 

class hfsc 1:40 parent 1:1 leaf 400: ls m1 19872bit d 604.0ms m2 11008bit ul m1 0bit d 0us m2 115000bit 
 Sent 73814213 bytes 139507 pkts (dropped 861, overlimits 0) 
 period 122296 work 73763920 bytes level 0 

root@OpenWrt:~# tc -s -d qdisc sh dev ppp0
qdisc hfsc 1: default 30 
 Sent 93374508 bytes 267568 pkts (dropped 6874, overlimits 194318) 
qdisc sfq 100: parent 1:10 limit 10p quantum 1492b flows 10/1024 perturb 10sec 
 Sent 3277786 bytes 45878 pkts (dropped 12, overlimits 0) 
qdisc sfq 200: parent 1:20 limit 8p quantum 1492b flows 8/1024 perturb 10sec 
 Sent 15427525 bytes 78324 pkts (dropped 5981, overlimits 0) 
qdisc sfq 300: parent 1:30 limit 7p quantum 1492b flows 7/1024 perturb 10sec 
 Sent 739909 bytes 3760 pkts (dropped 20, overlimits 0) 
qdisc sfq 400: parent 1:40 limit 6p quantum 1492b flows 6/1024 perturb 10sec 
 Sent 73929288 bytes 139606 pkts (dropped 861, overlimits 0)