[OpenWrt-Devel] Tried LEDE with SQM today

[Dave Taht]

kmod-sched-cake is needed

tc -s qdisc show your_device would probably show absence or badness.

I do not think that hardware is capable of 90mbits of inbound shaping either.

On Sun, Nov 13, 2016 at 2:23 PM, Maciej Soltysiak <maciej at soltysiak.com> wrote:
> Hi,
>
> I gave LEDE a whirl on WNDR3800 on a 100 Mb DSL line.
> Without SQM, speedtest.net gave around 90 Mbit/s of download and 3,6 upload.
> I installed sqm-scripts and the luci app and enabled SQM on eth1, set
> ingress and egress shaping to 90% of speedtest.net results, enabled fq_codel
> and simple.qos
>
> Now when on to dslreports bufferbloat tests and got about 42 Mbit/s. Great
> bufferbloat result but ingress seems to perform at just above 50% of ingress
> threshold (42 / 90% * 90).
>
> I don't think I've seen that drastic effect when I was on cero and then on
> openwrt.
> Anything obvious I'm doing wrong?
>
> Also, funny thing, there's a sqm-scripts-extra with cake and also the
> packages seem to contain the right kernel modules, but there's not cake
> queueing disciple in the luci UI. I found in /var/run/sqm/available_qdiscs
> empty files which correspond to the dropdown in luci: codel, fq_codel, pie,
> sfq. Could it be that it's just missing an empty file for cake or is that
> something more deep?
>
> Best regards,
> Maciej
>
>
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-- 
Dave Täht
Let's go make home routers and wifi faster! With better software!
http://blog.cerowrt.org
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