[Bloat] Getting started with sqm-scripts - latency good, bandwidth decimated

[Brandon Applegate]

> On Jan 19, 2016, at 7:09 PM, Jonathan Morton <chromatix99 at gmail.com> wrote:
> 
> I’m not sure whether a qdisc can be attached to a virtualised interface in this way.  Can you run ‘tc -s qdisc’ and show us the output?
> 

It seems to have the same effect ether I’m operating on eth0 or eth0.666.  Here’s the requested output when I’m operating on eth0.666.

PS: I’ve changed as few defaults / parameters as possible.  Bandwidth and the tweak for the tc binary is about it.

—
root at ice:/etc/sqm# /root/iproute2-3.12.0/tc/tc -s qdisc
qdisc fq_codel 0: dev eth1 root refcnt 2 limit 10240p flows 1024 quantum 1514 target 5.0ms interval 100.0ms ecn
 Sent 299400 bytes 1954 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
  maxpacket 256 drop_overlimit 0 new_flow_count 0 ecn_mark 0
  new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev eth0 root refcnt 2 limit 10240p flows 1024 quantum 1514 target 5.0ms interval 100.0ms ecn
 Sent 490962005 bytes 605821 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
  maxpacket 256 drop_overlimit 0 new_flow_count 0 ecn_mark 0
  new_flows_len 0 old_flows_len 0
qdisc htb 1: dev eth0.666 root refcnt 2 r2q 10 default 12 direct_packets_stat 0 direct_qlen 2
 Sent 70076 bytes 422 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
qdisc fq_codel 110: dev eth0.666 parent 1:11 limit 1001p flows 1024 quantum 300 target 5.0ms interval 100.0ms ecn
 Sent 1298 bytes 15 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
  maxpacket 256 drop_overlimit 0 new_flow_count 15 ecn_mark 0
  new_flows_len 1 old_flows_len 0
qdisc fq_codel 120: dev eth0.666 parent 1:12 limit 1001p flows 1024 quantum 300 target 5.0ms interval 100.0ms ecn
 Sent 68778 bytes 407 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
  maxpacket 1514 drop_overlimit 0 new_flow_count 94 ecn_mark 0
  new_flows_len 1 old_flows_len 2
qdisc fq_codel 130: dev eth0.666 parent 1:13 limit 1001p flows 1024 quantum 300 target 5.0ms interval 100.0ms ecn
 Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
  maxpacket 256 drop_overlimit 0 new_flow_count 0 ecn_mark 0
  new_flows_len 0 old_flows_len 0
qdisc ingress ffff: dev eth0.666 parent ffff:fff1 ----------------
 Sent 412033 bytes 516 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
qdisc htb 1: dev ifb4eth0.666 root refcnt 2 r2q 10 default 10 direct_packets_stat 0 direct_qlen 32
 Sent 426995 bytes 517 pkt (dropped 0, overlimits 119 requeues 0)
 backlog 0b 0p requeues 0
qdisc fq_codel 110: dev ifb4eth0.666 parent 1:10 limit 1001p flows 1024 quantum 1514 target 5.0ms interval 100.0ms ecn
 Sent 426995 bytes 517 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
  maxpacket 11518 drop_overlimit 0 new_flow_count 132 ecn_mark 0
  new_flows_len 1 old_flows_len 3
—

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