If I recall correctly, flent will use irtt for its delay probes if available on both ends. Sure fixing fping seems like a good thing longer term, but to get data in quickly, maybe try irtt instead? On 15 October 2023 17:11:23 CEST, dave seddon via Cake wrote: >G'day, > >I've put more work into a test framework around the qdisc tests, but >unfortunately flent doesn't work easily with Ubuntu LTS ( >https://github.com/tohojo/flent/issues/232, which I think is an issue with >flent parsing the fping output ). > >Results and graphs in this sheet: >https://docs.google.com/spreadsheets/d/1T59QwEdNwJFm4TgDFA_NY98gicOm8ABXKvDsSIMz9ag/edit#gid=1203641125 > >Raw results of x2 test runs are here: >https://github.com/randomizedcoder/qdisc_results/blob/main/qdisc/report.csv > >Each run: >https://github.com/randomizedcoder/qdisc_results/blob/main/qdisc/2023-10-13T18%3A45%3A45/report.csv >https://github.com/randomizedcoder/qdisc_results/blob/main/qdisc/2023-10-14T14%3A22%3A53/report.csv > >Full iperf outputs are available too, for example: >https://github.com/randomizedcoder/qdisc_results/blob/main/qdisc/2023-10-13T18%3A45%3A45/nanopi-r2s/fq_codel/iperf/test/16_iperf/stdout > > >Logs for each run are also available, for example: >https://github.com/randomizedcoder/qdisc_results/blob/main/qdisc/2023-10-13T18%3A45%3A45/log.json > >The code repo updated here: https://github.com/randomizedcoder/cake , with >thehttps://github.com/randomizedcoder/cake/blob/main/README.md which >explains how the test work. >Updated google doc is started here: >https://docs.google.com/document/d/1fYKj3BS89aB9drg_DsSq289xSdVQhn1zUJYCj0WuCs0/edit?usp=sharing > >Based on the questions on this list earlier, there is a folder with device >information for each of the devices >https://github.com/randomizedcoder/cake/tree/main/device_info > >For example, the Pi4 and the Lichee Pi (risc-v) hardware layout is here: >- https://github.com/randomizedcoder/cake/blob/main/device_info/pi4/hwloc-ls-pi4.png > >- >https://github.com/randomizedcoder/cake/blob/main/device_info/lpi4a/hwloc-ls-lpi4a.png > >The switch has also been upgraded to a Cisco 3750x, which I think based on >the "show interface" output has a max queue size of 40 frames. The test >process clears the counters before each test and gathers the "show >interface" output at the end. > >The Lichee Pi 4A doesn't look good ( >https://wiki.sipeed.com/hardware/en/lichee/th1520/lp4a.html ) > >[image: image.png] >I really wish the flent was working, so I'll probably see if I can work out >the parsing. > >Thanks, >Dave Seddon > >On Fri, Oct 13, 2023 at 10:25 AM dave seddon >wrote: > >> My bad. There's a bug for this.... Looks like I have to downgrade fping >> >> https://github.com/tohojo/flent/issues/232 >> https://github.com/schweikert/fping/issues/203 >> >> On Fri, Oct 13, 2023 at 8:59 AM dave seddon >> wrote: >> >>> G'day, >>> >>> I've been working away on automation of the tests. Pretty close to >>> having much nicer tests with a lot more details. I've also got the risc-v >>> device working. >>> >>> However, I've run into something funny with flent. Flent is not happy >>> with fping or ping. >>> >>> das@3rd:~/Downloads/cake/cmd/run_qdiscs_tests$ /usr/bin/sudo >>> /usr/sbin/ip netns exec network101 /usr/bin/flent rrul --output >>> /tmp/qdisc/2023-10-13T15:53:21/pi4/noqueue/flent/test/15_flent/flent_pi4_noqueue.png >>> --data-dir /tmp/qdisc/2023-10-13T15:53:21/pi4/noqueue/flent/test/15_flent/ >>> --format summary --plot all_scaled --title-extra >>> 2023-10-13T15:53:21_pi4_noqueue --note 2023-10-13T15:53:21_pi4_noqueue >>> --extended-metadata --host 172.17.51.10 --length 60 --ipv4 --socket-stats >>> Starting Flent 2.0.1 using Python 3.10.12. >>> Starting rrul test. Expected run time: 70 seconds. >>> WARNING: Found fping, but couldn't parse its output. Not >>> using. <---------------- ??? >>> ERROR: Runner Ping (ms) ICMP failed check: Cannot parse output of the >>> system ping binary (/usr/bin/ping). Please install fping v3.5+. <----- ?? >>> >>> das@3rd:~/Downloads/cake/cmd/run_qdiscs_tests$ dpkg --list | grep ping >>> ii fping 5.1-1 >>> amd64 sends ICMP ECHO_REQUEST packets to network hosts >>> ii iputils-ping 3:20211215-1 >>> amd64 Tools to test the reachability of network hosts >>> ii kpartx 0.8.8-1ubuntu1.22.04.1 >>> amd64 create device mappings for partitions >>> ii libharfbuzz0b:amd64 2.7.4-1ubuntu3.1 >>> amd64 OpenType text shaping engine (shared library) >>> das@3rd:~/Downloads/cake/cmd/run_qdiscs_tests$ fping --version >>> fping: Version 5.1 >>> das@3rd:~/Downloads/cake/cmd/run_qdiscs_tests$ ping -V >>> ping from iputils 20211215 >>> >>> das@3rd:~/Downloads/cake/cmd/run_qdiscs_tests$ cat /etc/lsb-release >>> DISTRIB_ID=Ubuntu >>> DISTRIB_RELEASE=22.04 >>> DISTRIB_CODENAME=jammy >>> DISTRIB_DESCRIPTION="Ubuntu 22.04.3 LTS" >>> >>> I did install via "apt install fping" >>> >>> Any thoughts please? >>> >>> Kind regards, >>> Dave >>> >>> On Thu, Sep 28, 2023 at 6:27 AM Sebastian Moeller via Cake < >>> cake@lists.bufferbloat.net> wrote: >>> >>>> >>>> >>>> > On Sep 28, 2023, at 15:19, David Lang wrote: >>>> > >>>> > On Thu, 28 Sep 2023, Sebastian Moeller via Cake wrote: >>>> > >>>> >> P.S.: I am tempted, but will likely wait until they are available in >>>> quantity and hope that the street price comes down a bit before getting one >>>> ;) >>>> > >>>> > They aren't available at all yet, and it's not clear when they will be >>>> available. >>>> >>>> The announcement was end of October, but I think I could >>>> pre-order right now if I was feeling an urge. You are right though, >>>> announced != available or delivered. >>>> >>>> Regards >>>> Sebastian >>>> >>>> P.S.: I have a pi400 in use as "desktop" for my oldest kid, this is >>>> close to be actually generally usable, I would guess that changing a >>>> potential p500 from the pi400's 4GB to 8 GB together with the other >>>> imprivements the 5 brings might push it over the threshold into the truly >>>> useful category. Which probably means that either a potential pi500 will >>>> come late and probably with only 4 GB, but let's see how this works out now >>>> that the supply situation is less problematic. >>>> And I understand that there are other capable ARM based SoCs for >>>> homerouter/desktop duty, I just happen ot have a soft spot for the >>>> raspberry project ;) >>>> >>>> > >>>> > David Lang >>>> >>>> _______________________________________________ >>>> Cake mailing list >>>> Cake@lists.bufferbloat.net >>>> https://lists.bufferbloat.net/listinfo/cake >>>> >>> >>> >>> -- >>> Regards, >>> Dave Seddon >>> +1 415 857 5102 >>> >> >> >> -- >> Regards, >> Dave Seddon >> +1 415 857 5102 >> > > >-- >Regards, >Dave Seddon >+1 415 857 5102 -- Sent from my Android device with K-9 Mail. Please excuse my brevity.