Hmm, hard to say for sure without data and log files, but this might be an artifact of the netperf UDP RR test. I would expect you'd get better data using irtt...
On 15 September 2019 13:56:31 CEST, Rich Brown <notifications@github.com> wrote:
>Flent 1.9.9-git-2a08dd9:
>
>I am confused about the following. Might they be a problem?
>
>* The displayed UDP ping times in the Average column for the rrul and
>rrul_be tests don't seem correct - they are considerably lower than
>expected. (The median values are believable.)
>
>* The plotted Average ping for rrul & rrul_be are so much lower than
>the readings. (see plots below)
>
>Thanks.
>```
>Started Flent 1.9.9-git-2a08dd9 using Python 3.7.3.
>Starting rrul test. Expected run time: 70 seconds.
>Data file written to
>./rrul-2019-09-15T065804.053659.Richs-MBP-10337_lan.flent.gz.
>
>Summary of rrul test run from 2019-09-15 10:58:04.053659
> Title: 'Richs-MBP-10337.lan'
>
> avg median # data pts
>Ping (ms) ICMP : 106.25 105.00 ms
> 350
>Ping (ms) ICMP 1.1.1.1 (extra) : 31.23 30.55 ms
> 350
>Ping (ms) UDP BE : 9.43 106.38 ms
> 352
>Ping (ms) UDP BK : 9.40 106.72 ms
> 352
>Ping (ms) UDP EF : 9.38 106.44 ms
> 352
>Ping (ms) avg : 9.40 N/A ms
> 352
>TCP download BE : 1.52 1.55 Mbits/s
> 352
>TCP download BK : 1.52 1.52 Mbits/s
> 352
>TCP download CS5 : 1.51 1.50 Mbits/s
> 352
>TCP download EF : 1.47 1.53 Mbits/s
> 352
>TCP download avg : 1.50 N/A Mbits/s
> 352
>TCP download sum : 6.02 N/A Mbits/s
> 352
>TCP totals : 6.45 N/A Mbits/s
> 352
>TCP upload BE : 0.10 0.10 Mbits/s
> 352
>TCP upload BK : 0.11 0.11 Mbits/s
> 352
>TCP upload CS5 : 0.11 0.10 Mbits/s
> 352
>TCP upload EF : 0.11 0.11 Mbits/s
> 352
>TCP upload avg : 0.11 N/A Mbits/s
> 352
>TCP upload sum : 0.43 N/A Mbits/s
> 352
>Started Flent 1.9.9-git-2a08dd9 using Python 3.7.3.
>Starting rrul_be test. Expected run time: 70 seconds.
>Data file written to
>./rrul_be-2019-09-15T065924.850091.Richs-MBP-10337_lan.flent.gz.
>
>Summary of rrul_be test run from 2019-09-15 10:59:24.850091
> Title: 'Richs-MBP-10337.lan'
>
> avg median # data pts
>Ping (ms) ICMP : 106.67 106.00 ms
> 350
>Ping (ms) ICMP 1.1.1.1 (extra) : 30.96 30.30 ms
> 350
>Ping (ms) UDP BE1 : 9.47 106.33 ms
> 352
>Ping (ms) UDP BE2 : 9.40 107.30 ms
> 352
>Ping (ms) UDP BE3 : 9.26 104.88 ms
> 352
>Ping (ms) avg : 9.38 N/A ms
> 352
>TCP download BE : 1.38 1.39 Mbits/s
> 352
>TCP download BE2 : 1.61 1.67 Mbits/s
> 352
>TCP download BE3 : 1.55 1.61 Mbits/s
> 352
>TCP download BE4 : 1.50 1.56 Mbits/s
> 352
>TCP download avg : 1.51 N/A Mbits/s
> 352
>TCP download sum : 6.04 N/A Mbits/s
> 352
>TCP totals : 6.48 N/A Mbits/s
> 352
>TCP upload BE : 0.11 0.11 Mbits/s
> 352
>TCP upload BE2 : 0.11 0.11 Mbits/s
> 352
>TCP upload BE3 : 0.11 0.11 Mbits/s
> 352
>TCP upload BE4 : 0.11 0.10 Mbits/s
> 352
>TCP upload avg : 0.11 N/A Mbits/s
> 352
>TCP upload sum : 0.44 N/A Mbits/s
> 352
>bash-3.2$
>```
><img width="819" alt="image"
>src="https://user-images.githubusercontent.com/1094930/64921053-35d42680-d78c-11e9-990d-4d57b92ec379.png">
>
><img width="819" alt="image"
>src="https://user-images.githubusercontent.com/1094930/64921056-3ff62500-d78c-11e9-8cfa-cd63f91861c4.png">
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