keywords: tc qdisc class queue QoS traffic control Linux HTB statistics parse graph tc-viewer

tccs - diagnose your traffic

Tired of grepping tc -s class show dev eth1 output?

class htb 1:4040 parent 1:1 leaf 4040: prio 0 rate 20Kbit ceil 4Mbit burst 20Kb cburst 2Kb 
 Sent 102216769 bytes 276604 pkts (dropped 0, overlimits 0) 
 rate 39bit 
 lended: 140776 borrowed: 135828 giants: 0
 tokens: 6692535 ctokens: 3264

class htb 1:d049 parent 1:998 leaf d049: prio 0 rate 2Kbit ceil 3500Kbit burst 20Kb cburst 2Kb 
 Sent 110702097 bytes 280264 pkts (dropped 0, overlimits 0) 
 rate 146bit 2pps 
 lended: 243112 borrowed: 37152 giants: 0
 tokens: 66787740 ctokens: 3715

You're right, it SUX! Here comes the remedy: tc -s class show dev eth1 | tccs

• recursion limit: -r 2

  1:2     (htb) 95Mbit      2930.7 kb/s   ( 128950799 KB)
  1:997   (htb) 5Mbit      32129.0 kb/s   ( 290848273 KB)
    1:1   (htb) 3500Kbit-4500Kbit   1496.4 kb/s   ( 129468320 KB)
    1:998 (htb) 1Mbit-4500Kbit      2773.8 kb/s   ( 161379948 KB)
  

• hierarchical output - verify flow structure:

  1:2 	(htb) 95Mbit	  3697.9 kb/s	( 129025619 KB)
  1:997	(htb) 5Mbit	  4865.6 kb/s	( 290940210 KB)
    1:1 	(htb) 3500Kbit-4500Kbit	  2968.5 kb/s	( 129507129 KB)
      1:1024	(htb) 20Kbit-4Mbit	    42.4 kb/s	(    649276 KB)
      1:1053	(htb) 20Kbit-50Kbit	     1.4 kb/s	(    135856 KB)
      1:1061	(htb) 20Kbit-4Mbit	    61.9 kb/s	(    387984 KB)
      1:1160	(htb) 20Kbit	     0.0 kb/s	(     22037 KB)
      1:1165	(htb) 20Kbit-50Kbit	     0.3 kb/s	(    808986 KB)
      1:1166	(htb) 20Kbit-4Mbit	     0.1 kb/s	(    107205 KB)
      1:1208	(htb) 20Kbit-4Mbit	    95.5 kb/s	(    358955 KB)
      1:1213	(htb) 20Kbit-50Kbit	    31.6 kb/s	(     75460 KB)
      1:2034	(htb) 20Kbit-4Mbit	     0.0 kb/s	(    765513 KB)
      1:2036	(htb) 20Kbit-50Kbit	     0.0 kb/s	(    448601 KB)
      1:2071	(htb) 20Kbit-4Mbit	  1604.7 kb/s	(    647097 KB)
      1:4002	(htb) 30Kbit-1800Kbit	     9.2 kb/s	(   1188998 KB)
      1:4003	(htb) 30Kbit-1800Kbit	   128.9 kb/s	(  11248053 KB)
      1:4018	(htb) 20Kbit	     0.0 kb/s	(       130 KB)
    1:998	(htb) 1Mbit-4500Kbit	  2245.4 kb/s	( 161433082 KB)
      1:a061	(htb) 2Kbit-3500Kbit	   161.4 kb/s	(    245826 KB)
      1:a111	(htb) 2Kbit-3500Kbit	   131.4 kb/s	(   5206014 KB)
      1:a138	(htb) 2Kbit-20Kbit	     0.0 kb/s	(    884729 KB)
      1:a150	(htb) 2Kbit-3500Kbit	   130.5 kb/s	(    229756 KB)
      1:a197	(htb) 2Kbit-20Kbit	     2.3 kb/s	(    321422 KB)
      1:a204	(htb) 2Kbit-3500Kbit	    77.4 kb/s	(    573887 KB)
      1:b013	(htb) 2Kbit-3500Kbit	   251.9 kb/s	(   4541866 KB)
      1:d036	(htb) 2Kbit-3500Kbit	    47.8 kb/s	(    526588 KB)
  

• sorting by current speed: -f 5

  1:997   (htb) 5Mbit       4603.3 kb/s   ( 291230767 KB)
    1:998 (htb) 1Mbit-4500Kbit      2353.2 kb/s   ( 161639961 KB)
      1:d028      (htb) 2Kbit-3500Kbit      2252.8 kb/s   (   3516448 KB)
      1:d019      (htb) 2Kbit-3500Kbit       298.4 kb/s   (   5296464 KB)
      1:b013      (htb) 2Kbit-3500Kbit       292.4 kb/s   (   4567632 KB)
      1:b078      (htb) 2Kbit-3500Kbit       236.4 kb/s   (   2993181 KB)
      1:d027      (htb) 2Kbit-3500Kbit       216.6 kb/s   (   3984723 KB)
    1:1   (htb) 3500Kbit-4500Kbit   1835.0 kb/s   ( 129590805 KB)
      1:1226      (htb) 20Kbit-4Mbit        1352.9 kb/s   (    364325 KB)
      1:4003      (htb) 30Kbit-1800Kbit      251.7 kb/s   (  11259672 KB)
      1:2080      (htb) 20Kbit-4Mbit         221.7 kb/s   (     97231 KB)
      1:4031      (htb) 20Kbit-4Mbit         155.6 kb/s   (    795890 KB)
      1:1244      (htb) 20Kbit-4Mbit         147.5 kb/s   (   1908385 KB)
  1:2     (htb) 95Mbit      1542.6 kb/s   ( 129185963 KB)
  

• classid translation:

  GTS     (htb) 5Mbit       4290.3 kb/s   ( 291540222 KB)
    P2P   (htb) 1Mbit-4500Kbit      2995.7 kb/s   ( 161857970 KB)
      P2P-pc19    (htb) 2Kbit-3500Kbit      5324.8 kb/s   (   5341685 KB)
      P2P-pc23    (htb) 2Kbit-3500Kbit      2113.5 kb/s   (   4565516 KB)
      P2P-pc28    (htb) 2Kbit-3500Kbit       463.5 kb/s   (   3548987 KB)
      P2P-1_013   (htb) 2Kbit-3500Kbit       273.7 kb/s   (   4590991 KB)
      P2P-pc27    (htb) 2Kbit-3500Kbit       152.2 kb/s   (   3996055 KB)
    norm  (htb) 3500Kbit-4500Kbit   1416.3 kb/s   ( 129682250 KB)
      pc03        (htb) 30Kbit-1800Kbit     1548.3 kb/s   (  11271301 KB)
      nat1-1088   (htb) 20Kbit-4Mbit         224.3 kb/s   (    645470 KB)
      pc27        (htb) 20Kbit-4Mbit         179.5 kb/s   (    663931 KB)
      pc20        (htb) 20Kbit-4Mbit         145.5 kb/s   (   5292894 KB)
      nat0-163    (htb) 20Kbit-4Mbit          72.0 kb/s   (   1266607 KB)
  LAN     (htb) 95Mbit      1302.2 kb/s   ( 129286926 KB)
  

Try it!

Want more?

Maybe something like (good old postscript example): ?

tccg - graph your queues

tc -s class show dev eth1 | tccg -r 2 -i eth1 > eth1.dot # there are also -c and -s parameters
dot -Tsvg -o eth1.svg eth1.dot; convert eth1.svg eth1.png
circo -Tps -o eth0.ps eth0.dot; convert eth0.ps eth0.gif

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