Re: [Cerowrt-devel] quick survey: actual drop and mark stats from live sqm-scripts + fq_codel'd networks?

[David Personette <dperson@gmail.com>]

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Hope this helps.

# uptime
 00:16:17 up 4 days, 10 min,  load average: 0.31, 0.32, 0.26

# tc -s qdisc show dev ge00
qdisc htb 1: root refcnt 2 r2q 10 default 12 direct_packets_stat 0
direct_qlen 1000
 Sent 1480380789 bytes 5957584 pkt (dropped 0, overlimits 2385541 requeues
0)
 backlog 0b 8p requeues 0
qdisc nfq_codel 110: parent 1:11 limit 1001p flows 1024 quantum 300 target
26.7ms interval 121.7ms
 Sent 408736 bytes 2606 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
  maxpacket 0 drop_overlimit 0 new_flow_count 2509 ecn_mark 0
  new_flows_len 0 old_flows_len 1
qdisc nfq_codel 120: parent 1:12 limit 1001p flows 1024 quantum 300 target
26.7ms interval 121.7ms
 Sent 1476234652 bytes 5931950 pkt (dropped 69533, overlimits 0 requeues 0)
 backlog 1696b 8p requeues 0
  maxpacket 0 drop_overlimit 0 new_flow_count 656822 ecn_mark 0
  new_flows_len 0 old_flows_len 1
qdisc nfq_codel 130: parent 1:13 limit 1001p flows 1024 quantum 300 target
26.7ms interval 121.7ms
 Sent 3737401 bytes 23028 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0
  maxpacket 0 drop_overlimit 0 new_flow_count 192 ecn_mark 0
  new_flows_len 0 old_flows_len 1
qdisc ingress ffff: parent ffff:fff1 ----------------
 Sent 8827517071 bytes 8334242 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0

# tc -s qdisc show dev sw00
qdisc mq 1: root
 Sent 23110679686 bytes 161711219 pkt (dropped 742, overlimits 0 requeues
3381)
 backlog 0b 0p requeues 3381
qdisc fq_codel 10: parent 1:1 limit 800p flows 1024 quantum 500 target
10.0ms interval 100.0ms
 Sent 474847 bytes 3287 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 20: parent 1:2 limit 800p flows 1024 quantum 300 target
5.0ms interval 100.0ms ecn
 Sent 1511242254 bytes 1537435 pkt (dropped 0, overlimits 0 requeues 1030)
 backlog 0b 0p requeues 1030
  maxpacket 1514 drop_overlimit 0 new_flow_count 111 ecn_mark 3
  new_flows_len 0 old_flows_len 0
qdisc fq_codel 30: parent 1:3 limit 1000p flows 1024 quantum 300 target
5.0ms interval 100.0ms ecn
 Sent 21588284634 bytes 160162796 pkt (dropped 742, overlimits 0 requeues
2351)
 backlog 0b 0p requeues 2351
  maxpacket 1514 drop_overlimit 0 new_flow_count 513 ecn_mark 9
  new_flows_len 0 old_flows_len 0
qdisc fq_codel 40: parent 1:4 limit 1000p flows 1024 quantum 300 target
5.0ms interval 100.0ms
 Sent 10677951 bytes 7701 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

# tc -s qdisc show dev sw10
qdisc mq 1: root
 Sent 850417587 bytes 1202833 pkt (dropped 0, overlimits 0 requeues 12)
 backlog 0b 0p requeues 12
qdisc fq_codel 10: parent 1:1 limit 800p flows 1024 quantum 500 target
10.0ms interval 100.0ms
 Sent 10416 bytes 72 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 20: parent 1:2 limit 800p flows 1024 quantum 300 target
5.0ms interval 100.0ms ecn
 Sent 15304878 bytes 13103 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 30: parent 1:3 limit 1000p flows 1024 quantum 300 target
5.0ms interval 100.0ms ecn
 Sent 835102293 bytes 1189658 pkt (dropped 0, overlimits 0 requeues 12)
 backlog 0b 0p requeues 12
  maxpacket 286 drop_overlimit 0 new_flow_count 3 ecn_mark 0
  new_flows_len 0 old_flows_len 0
qdisc fq_codel 40: parent 1:4 limit 1000p flows 1024 quantum 300 target
5.0ms interval 100.0ms
 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

-- 
David P.



On Tue, May 12, 2015 at 12:15 PM, Dave Taht <dave.taht@gmail.com> wrote:

> I am curious as to the drop and mark statistics for those actively
> using their networks,
> but NOT obsessively testing dslreports' speedtest as I have been :),
> over the course of days.
>
> A cron job running once an hour would work, but snmp polling with
> mrtg, parsing the tc output would be better.
>
> But a quick survey would be interesting, if you could dump your
>
> uptime
> tc -s qdisc show dev whatever
> tc -s qdisc show dev your_inbound_ifb_device
>
> here?
>
> and also check to see if you are getting drops or marks on your core
> wifi interfaces. For example a great deal of the dropping behavior for
> me has moved to wifi over the last year (as we upgraded from 20mbit
> down to 60 or 110mbit down), particularly on my longer distance links
> but also on links that have very good same room connectivity.
>
> example wifi interface (6 days of traffic)
>
> qdisc fq_codel 30: parent 1:3 limit 1000p flows 1024 quantum 300
> target 5.0ms interval 100.0ms ecn
>  Sent 3409244008 bytes 3400248 pkt (dropped 487, overlimits 0 requeues
> 2703)
>  backlog 0b 0p requeues 2703
>   maxpacket 1514 drop_overlimit 0 new_flow_count 1637 ecn_mark 0
>   new_flows_len 0 old_flows_len 0
>
>
> this is the same routers external interface (60mbit downlink) (yes, I
> deployed ecn on every box I could)
>
>
> qdisc fq_codel 120: parent 1:12 limit 1001p flows 1024 quantum 1500
> target 5.0ms interval 100.0ms ecn
>
>  Sent 741392066 bytes 8765559 pkt (dropped 0, overlimits 0 requeues 0)
>
>  backlog 0b 0p requeues 0
>
>   maxpacket 1514 drop_overlimit 0 new_flow_count 2815747 ecn_mark 0
>
>   new_flows_len 1 old_flows_len 1
>
> qdisc fq_codel 130: parent 1:13 limit 1001p flows 1024 quantum 300
> target 5.0ms interval 100.0ms ecn
>
>  Sent 362010241205 bytes 268428951 pkt (dropped 28391, overlimits 0
> requeues 0)
>
>  backlog 0b 0p requeues 0
>
>   maxpacket 1514 drop_overlimit 0 new_flow_count 34382791 ecn_mark 238
>
>   new_flows_len 1 old_flows_len 3
>
> tc -s qdisc show dev ge00 (uplink, 10mbit)
>
> qdisc fq_codel 120: parent 1:12 limit 1001p flows 1024 quantum 300
> target 5.0ms interval 100.0ms ecn
>
>  Sent 19054721473 bytes 141364936 pkt (dropped 2251, overlimits 0 requeues
> 0)
>
>  backlog 0b 0p requeues 0
>
>   maxpacket 1514 drop_overlimit 29 new_flow_count 37418891 ecn_mark 15593
>
>   new_flows_len 0 old_flows_len 2
>
>
>
>
> --
> Dave Täht
> Open Networking needs **Open Source Hardware**
>
> https://plus.google.com/u/0/+EricRaymond/posts/JqxCe2pFr67
> _______________________________________________
> Cerowrt-devel mailing list
> Cerowrt-devel@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/cerowrt-devel
>

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