Jonas Mårtensson <martensson.jo...@gmail.com> writes:

> On Wed, Apr 11, 2018 at 7:15 PM, Toke Høiland-Jørgensen <t...@toke.dk>
> wrote:
>
>> Jonathan Morton <chromati...@gmail.com> writes:
>>
>> >> On 11 Apr, 2018, at 6:24 pm, Toke Høiland-Jørgensen <t...@toke.dk>
>> wrote:
>> >>
>> >> So, um, did we cram so many features into Cake that it no longer uses
>> >> less CPU? Can anyone confirm these results?
>> >
>> > To be sure about this, it seems wise to configure Cake to turn off as
>> > many of the new features as possible. That means selecting "besteffort
>> > flows nonat" mode at least.
>> >
>> > I forget whether simplest.qos correctly uses the built-in shaper with
>> > Cake, rather than just layering it with HTB as usual. If not, then of
>> > course Cake will use more CPU, and we should be grateful that it's by
>> > a relatively small margin (maybe 15%).
>>
>> It is definitely using Cake as the shaper; in besteffort mode, but with
>> nat and triple-isolation enabled I think. I'll run another test tomorrow
>> with those disabled.
>
>
> Is there any difference between using simplest.qos and piece_of_cake.qos
> when Cake is used as qdisc?

Not really, no. piece_of_cake understands the zero_dscp_ingress option,
simplest.qos does not. I think that is the only difference.

I just used simplest.qos because that made it easier to switch between
fq_codel and cake ;)

-Toke
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