[Make-wifi-fast] [Codel] fq_codel_drop vs a udp flood
eric.dumazet at gmail.com
Tue May 3 13:54:59 EDT 2016
On Tue, 2016-05-03 at 10:37 -0700, Dave Taht wrote:
> Thus far this batch drop patch is testing out beautifully. Under a
> 900Mbit flood going into 100Mbit on the pcengines apu2, cpu usage for
> ksoftirqd now doesn't crack 10%, where before (under
> pie,pfifo,fq_codel,cake & the prior fq_codel) it went to 88% and
> ultimately bad things happened, like losing routability.
> I've had it running for hours and I hardly notice it's there.
Excellent, thanks for testing it.
> Performance for the normal cc controlled and/or sparse flows is
> unaffected, aside from the uncontrolled flows eating their percentage
> of the link.
> Nice work. Thx. This should go into -stable.
> Sigh. The RFC is past last call...
It is merged :
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