[Cake] ack filter rrul result at 1000/100

[Dave Taht]

I pulled together rmounce's patchset for ack filtering and my own
ongoing netem work and had a chance to run a few tests.

Pretty remarkable. The attached graph is a 1gbit (unshaped) link up
with a 100Mbit down, the classic rrul 4 upload and 4 download flows,
with the ping measurement....

Just an across the board win, unless the tcp gods rain hellfire down
on us. And wow, look at all those acks that got killed.

 backlog 0b 0p requeues 1
 memory used: 317312b of 5000000b
 capacity estimate: 100Mbit
                 Bulk   Best Effort      Voice
  thresh      6250Kbit     100Mbit      25Mbit
  target         5.0ms       5.0ms       5.0ms
  interval     100.0ms     100.0ms      10.0ms
  pk_delay         2us        10us        53us
  av_delay         1us         1us         4us
  sp_delay         1us         1us         3us
  pkts          228783     1937474      631425
  bytes      104982588  1189472341   380759260
  way_inds           0           0           0
  way_miss           6          63          19
  way_cols           0           0           0
  drops           6076        2091        1993
  marks              0           0           0
  ack_drop       67510      135880      102528
  sp_flows           0           1           0
  bk_flows           0           0           1
  un_flows           0           0           0
  max_len         6056       15140       10598


-- 

Dave Täht
CEO, TekLibre, LLC
http://www.teklibre.com
Tel: 1-669-226-2619
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