[Cake] Cake not more CPU efficient than HTB+FQ-CoDel (anymore)?

Jonas Mårtensson martensson.jonas at gmail.com
Wed Apr 11 14:55:12 EDT 2018

On Wed, Apr 11, 2018 at 7:15 PM, Toke Høiland-Jørgensen <toke at toke.dk>

> Jonathan Morton <chromatix99 at gmail.com> writes:
> >> On 11 Apr, 2018, at 6:24 pm, Toke Høiland-Jørgensen <toke at 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?

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