[Cake] capacity estimator is more than a bit off

[Dave Taht]

For those of you with proportional fonts:

http://pastebin.com/gHMwEeB8

a capacity estimate of 14Mbit with a bandwidth setting of 10mbit while
running the rrul
test?

qdisc cake 8002: root refcnt 2 bandwidth 10Mbit diffserv4 flows rtt 100.0ms raw
 Sent 23868838 bytes 86497 pkt (dropped 424, overlimits 208042 requeues 0)
 backlog 12244b 10p requeues 0
 memory used: 53026b of 500000b
 capacity estimate: 14272Kbit
             Tin 0       Tin 1       Tin 2       Tin 3
  thresh        10Mbit    9375Kbit    7500Kbit    2500Kbit
  target         5.0ms       5.0ms       5.0ms       7.3ms
  interval     100.0ms     100.0ms     100.0ms     102.3ms
  pk_delay      41.0ms       9.5ms         0us      26.7ms
  av_delay      17.8ms       3.1ms         0us       5.6ms
  sp_delay       8.0ms       653us         0us       712us
  pkts           15246       34507           0       37178
  bytes        1956698    15541030           0     6411802
  way_inds           0           0           0           0
  way_miss           3          77           0           5
  way_cols           0           0           0           0
  drops            424           0           0           0
  marks            254          62           0         353
  sp_flows           0           1           0           0
  bk_flows           1           1           0           2
  last_len          66          66           0        1514
  max_len         7570        3028           0        3028



Dave Täht
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