[Bloat] Cake on Raspberry Pi 3B+ (Kernel Version: 4.14.62-v7+)

[Y]

I use cake qdisc on 3B raspbian .
It works fine , now.

Yutaka.

On Wed, 16 Jan 2019 21:05:44 -0800
Evuraan <evuraan at gmail.com> wrote:

> Greetings!
> 
> Newbie Cake user here. Happy to report I've recently managed to
> compile and run Cake on my home router, a Raspberry Pi 3B+ (Kernel
> Version: 4.14.62-v7+). Did not know of bufferbloat until quite
> recently, and I learned a bunch. Today is day 2 on Cake, and quite
> pleased with its outcome - thank you for curbing the menace!
> 
> I've jotted down the steps I took to get it setup. Until 4.19 becomes
> common I hope it helps those who are looking to get Cake running on
> their Pi's.
> https://evuraan.info/evuraan/stuff/bufferbloat.html#compile
> 
> Here's my Pi with Cake:
> 
> $ tc -s qdisc show dev eth1
> qdisc cake 8001: root refcnt 2 bandwidth 5Mbit diffserv3
> triple-isolate nonat nowash no-ack-filter split-gso rtt 100.0ms raw
> overhead 0
>  Sent 3055787687 bytes 6902761 pkt (dropped 49776, overlimits 9775200
> requeues 0)
>  backlog 0b 0p requeues 0
>  memory used: 360982b of 4Mb
>  capacity estimate: 5Mbit
>  min/max network layer size:           42 /    1514
>  min/max overhead-adjusted size:       42 /    1514
>  average network hdr offset:           14
> 
>                    Bulk  Best Effort        Voice
>   thresh      312496bit        5Mbit     1250Kbit
>   target         58.1ms        5.0ms       14.5ms
>   interval      153.1ms      100.0ms      109.5ms
>   pk_delay        1.9ms        1.3ms        1.7ms
>   av_delay        230us        189us        414us
>   sp_delay          6us          4us         11us
>   backlog            0b           0b           0b
>   pkts            19446      6229022       704069
>   bytes         1050305   2850269228    279273436
>   way_inds           18       313898          991
>   way_miss         2953       203634          677
>   way_cols            0            0            0
>   drops               0        49764           12
>   marks               0           10            0
>   ack_drop            0            0            0
>   sp_flows            1            2            1
>   bk_flows            0            1            0
>   un_flows            0            0            0
>   max_len            98         1514         1514
>   quantum           300          300          300
> 
>  $ modinfo sch_cake
> filename:       /lib/modules/4.14.62-v7+/kernel/net/sched/sch_cake.ko
> description:    The CAKE shaper.
> license:        Dual BSD/GPL
> author:         Jonathan Morton
> srcversion:     1FE38B4A137EF6ADC576887
> depends:        nf_conntrack
> name:           sch_cake
> vermagic:       4.14.62-v7+ SMP mod_unload modversions ARMv7 p2v8
> 
> Best!
> 
> Evuraan.
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