[Cake] some comprehensive arm64 w/cake results
dave seddon
dave.seddon.ca at gmail.com
Sun Oct 15 12:24:51 EDT 2023
Oh thanks Sebastian. I have irtt installed, but it looks like I need to
start the server. That's easy. Doing it now.
( Incidentally, I did write a golang based icmp pinger. It can ping at
very high rates: https://github.com/edgio/icmpengine. Really should write
one with rust using io_uring... )
On Sun, Oct 15, 2023 at 8:53 AM Sebastian Moeller <moeller0 at gmx.de> wrote:
> 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 <
> cake at lists.bufferbloat.net> 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 <dave.seddon.ca at gmail.com>
>> 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 <dave.seddon.ca at gmail.com>
>>> 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 at 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 at 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 at 3rd:~/Downloads/cake/cmd/run_qdiscs_tests$ fping --version
>>>> fping: Version 5.1
>>>> das at 3rd:~/Downloads/cake/cmd/run_qdiscs_tests$ ping -V
>>>> ping from iputils 20211215
>>>>
>>>> das at 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 at lists.bufferbloat.net> wrote:
>>>>
>>>>>
>>>>>
>>>>> > On Sep 28, 2023, at 15:19, David Lang <david at lang.hm> 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 at lists.bufferbloat.net
>>>>> https://lists.bufferbloat.net/listinfo/cake
>>>>>
>>>>
>>>>
>>>> --
>>>> 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.
>
--
Regards,
Dave Seddon
+1 415 857 5102
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