[RFCv2 0/3] mac80211: implement fq codel

Dave Taht dave.taht at gmail.com
Wed Mar 16 08:37:31 PDT 2016

it is helpful to name the test files coherently in the flent tests, in
addition to using a directory structure and timestamp. It makes doing
comparison plots in data->add-other-open-data-files simpler. "-t
patched-mac-300mbps", for example.

Also netperf from svn (maybe 2.7, don't remember) will restart udp_rr
after a packet loss in 250ms. Seeing a loss on UDP_RR and it stop for
a while is "ok".
Dave Täht
Let's go make home routers and wifi faster! With better software!

On Wed, Mar 16, 2016 at 3:26 AM, Michal Kazior <michal.kazior at tieto.com> wrote:
> On 16 March 2016 at 11:17, Michal Kazior <michal.kazior at tieto.com> wrote:
>> Hi,
>> Most notable changes:
> [...]
>>  * ath10k proof-of-concept that uses the new tx
>>    scheduling (will post results in separate
>>    email)
> I'm attaching a bunch of tests I've done using flent. They are all
> "burst" tests with burst-ports=1 and burst-length=2. The testing
> topology is:
>                    AP ----> STA
>                    AP )) (( STA
>  [veth]--[br]--[wlan] )) (( [wlan]
> You can notice that in some tests plot data gets cut-off. There are 2
> problems I've identified:
>  - excess drops (not a problem with the patchset and can be seen when
> there's no codel-in-mac or scheduling isn't used)
>  - UDP_RR hangs (apparently QCA99X0 I have hangs for a few hundred ms
> sometimes at times and doesn't Rx frames causing UDP_RR to stop
> mid-way; confirmed with logs and sniffer; I haven't figured out *why*
> exactly, could be some hw/fw quirk)
> Let me know if you have questions or comments regarding my testing/results.
> Michał
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