[Make-wifi-fast] flent adds more text output

Dave Taht dave.taht at gmail.com
Sun Nov 20 08:49:56 EST 2016


nope.

root at dancer:~/uap# ./long.sh
Data file written to
./rrul_be-2016-11-20T053621.542683.long_bbr_dense_airtime_9_ath9k_archer_c2.flent.gz.
Summary of rrul_be test run 'long-bbr-dense-airtime-9-ath9k-archer-c2'
(at 2016-11-20 13:36:21.542683):

                              avg /       median                loss
 Ping (ms) ICMP    :        30.91 /        30.91 ms            -0.29 %
 Ping (ms) UDP BE1 :        86.81 /        86.81 ms             0.00 %
 Ping (ms) UDP BE2 :       186.92 /       186.92 ms             0.00 %
 Ping (ms) UDP BE3 :       123.76 /       123.76 ms             0.00 %
 Ping (ms) avg     :       132.49 /       132.49 ms             0.00 %
 TCP download BE   :         8.89 /         8.89 Mbits/s        0.00 %
 TCP download BE2  :         8.99 /         8.99 Mbits/s        0.00 %
 TCP download BE3  :         8.85 /         8.85 Mbits/s        0.00 %
 TCP download BE4  :         8.90 /         8.90 Mbits/s        0.00 %
 TCP download avg  :         8.91 /         8.91 Mbits/s        0.00 %
 TCP download sum  :        35.63 /        35.63 Mbits/s        0.00 %
 TCP totals        :        41.29 /        41.29 Mbits/s        0.00 %
 TCP upload BE     :         1.41 /         1.41 Mbits/s        0.00 %
 TCP upload BE2    :         1.42 /         1.42 Mbits/s        0.00 %
 TCP upload BE3    :         1.42 /         1.42 Mbits/s        0.00 %
 TCP upload BE4    :         1.41 /         1.41 Mbits/s        0.00 %
 TCP upload avg    :         1.42 /         1.42 Mbits/s        0.00 %
 TCP upload sum    :         5.66 /         5.66 Mbits/s        0.00 %
Data file written to
./tcp_ndown-2016-11-20T054204.988641.long_bbr_dense_airtime_9_ath9k_archer_c2_flows_1.flent.gz.



On Sun, Nov 20, 2016 at 5:08 AM, Toke Høiland-Jørgensen <toke at toke.dk> wrote:
> Toke Høiland-Jørgensen <toke at toke.dk> writes:
>
>> Dave Taht <dave.taht at gmail.com> writes:
>>
>>> I am not convinced the text output is actually correct - see attached graph.
>>>
>>> I am testing airtime fairness code on both an archer ap and ubuntu box
>>> on the ath9k, and the udp flows show a peak of 80ms on the plot and a
>>> median of 25ms on the ping, where...
>>
>> The summary output formatter doesn't discard null data points before
>> computing the median. Guessing that's the reason for the discrepancy...
>
> Added filtering to data series before computing the median, and a new
> column that shows the loss as a percent of data points filtered out.
> Probably going to get in trouble for calling it loss, since it does not
> correspond to packet loss (except for ICMP flows), just to lost data
> points; not actually sure it's a good idea to have it in there...
>
> -Toke



-- 
Dave Täht
Let's go make home routers and wifi faster! With better software!
http://blog.cerowrt.org
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