Could I get you to also try HFSC?
On Aug 30, 2014 1:48 PM, "Jonathan Morton" <chromatix99@gmail.com> wrote:

>
> On 30 Aug, 2014, at 8:33 pm, Jonathan Morton wrote:
>
> > I'll need to investigate more closely to see whether there's a CPU load
> difference between HTB and TBF in practice.
>
> Replying to myself, but...
>
> The surprising result is that TBF seems to consume about TWICE the CPU
> time, at the same bandwidth, as HTB does.  Even FQ in flow-rate-limit mode
> is roughly on par with HTB on that score.  There is clearly something very
> wrong with how TBF is doing it.
>
> HTB (running with only a default class) and FQ are both able to send and
> regulate 200Mbps using about an eighth of a 1.5GHz PowerPC, all told.  It
> doesn't even seem to matter which qdisc I slap on top of HTB.  TBF needs
> almost a quarter of the same CPU to do the same thing.
>
>  - Jonathan Morton
>
>