From: Will Hawkins <hawkinsw@obs.cr>
To: Dave Taht <dave.taht@gmail.com>
Cc: Rpm <rpm@lists.bufferbloat.net>, Cake List <cake@lists.bufferbloat.net>
Subject: Re: [Rpm] goresponsiveness over slow 5g
Date: Wed, 6 Apr 2022 13:12:14 -0400 [thread overview]
Message-ID: <CADx9qWiGN0AUjsO+HfA_-O2Yq_5SY0313d=9WRUOGhaN5v0EqA@mail.gmail.com> (raw)
In-Reply-To: <CAA93jw56nMPoNrEGpTnKurP8MK+-Gksq80hg7ub4rNGqD=uwzg@mail.gmail.com>
Thanks for the report. We are working on updates once we can get some
upstream issues resolved with Go. Sorry for the slow progress -- doing
the best that we can!
Will
On Wed, Apr 6, 2022 at 12:17 PM Dave Taht via Rpm
<rpm@lists.bufferbloat.net> wrote:
>
> Pulled down the latest
> https://github.com/network-quality/goresponsiveness and built it with
> go.1.18.
>
> Some notes in #s. Tests were performed via linux kernel
>
> Linux milliways 5.4.0-80-lowlatency #90-Ubuntu SMP PREEMPT Fri Jul 9
> 23:56:54 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
>
> over tethered wifi to a oneplus nord n105g running oxygen OS
> 11.05BE.86AA, linux kernel 4.19.125perf+
>
> # No cake on the wifi:
>
> ./goresponsiveness --config mensura.cdn-apple.com --port 443 --path
> /api/v1/gm/config
> 04-06-2022 15:52:32 UTC Go Responsiveness to mensura.cdn-apple.com:443...
> Download: 7.594 Mbps ( 0.949 MBps), using 28 parallel connections.
>
> # Really should cap this. 28 flows at this rate is certain to end in tears.
>
> Upload: 1.906 Mbps ( 0.238 MBps), using 12 parallel connections.
> Total RTTs measured: 5
> RPM: 170
>
>
> # cake 6mbit/3mbit
>
> davet@milliways:~/git/goresponsiveness$ ./goresponsiveness --config
> mensura.cdn-apple.com --port 443 --path /api/v1/gm/config
> 04-06-2022 15:53:57 UTC Go Responsiveness to mensura.cdn-apple.com:443...
> Download: 8.343 Mbps ( 1.043 MBps), using 12 parallel connections.
> Upload: 2.500 Mbps ( 0.312 MBps), using 12 parallel connections.
> Total RTTs measured: 5
> RPM: 182
>
> ./goresponsiveness --config mensura.cdn-apple.com --port 443 --path
> /api/v1/gm/config
> 04-06-2022 15:55:11 UTC Go Responsiveness to mensura.cdn-apple.com:443...
> Download: 6.750 Mbps ( 0.844 MBps), using 12 parallel connections.
> Upload: 2.000 Mbps ( 0.250 MBps), using 36 parallel connections.
>
> # 36??? flows at this rate is utterly certain to end in tears.
>
> Total RTTs measured: 5
> RPM: 154
>
> # cake output after these testss
>
> Tin 0
> thresh 3Mbit
> target 6.1ms
> interval 101.1ms
> pk_delay 14.7ms
> av_delay 6.4ms
> sp_delay 8us
> backlog 0b
> pkts 15275
> bytes 10576809
> way_inds 252
> way_miss 191
> way_cols 0
> drops 2807
> marks 0
> ack_drop 0
> sp_flows 14
> bk_flows 1
> un_flows 0
> max_len 6470
> quantum 300
>
> # RFC3168 style ECN IS enabled on the mensura server. Yay!
> # If I enable it on my client
>
> ./goresponsiveness --config mensura.cdn-apple.com --port 443 --path
> /api/v1/gm/config
> 04-06-2022 16:03:47 UTC Go Responsiveness to mensura.cdn-apple.com:443...
> Error: Saturation could not be completed in time and no provisional
> rates could be accessed. Test failed.
>
> Tin 0
> thresh 6Mbit
> target 5.0ms
> interval 100.0ms
> pk_delay 23.3ms
> av_delay 13.6ms
> sp_delay 16us
> backlog 0b
> pkts 40856
> bytes 34440011
> way_inds 774
> way_miss 402
> way_cols 0
> drops 956
> marks 8907
> # mark away!
> ack_drop 0
> sp_flows 63
> bk_flows 1
> un_flows 0
> max_len 1442
> quantum 300
>
> # with ecn, repeated tests almost always timeout. It would be useful
> if they displayed their attempted params...
>
> ./goresponsiveness --config mensura.cdn-apple.com --port 443 --path
> /api/v1/gm/config
> 04-06-2022 16:10:30 UTC Go Responsiveness to mensura.cdn-apple.com:443...
> Download: 4.562 Mbps ( 0.570 MBps), using 12 parallel connections.
> Upload: 2.594 Mbps ( 0.324 MBps), using 44 parallel connections.
>
> # this inversion between lower bandwdith and higher connects needs to
> get looked at.
>
> Total RTTs measured: 5
>
> # perhaps a goal of trying to measure for more RTTs than five would help.
>
> --
> I tried to build a better future, a few times:
> https://wayforward.archive.org/?site=https%3A%2F%2Fwww.icei.org
>
> Dave Täht CEO, TekLibre, LLC
> _______________________________________________
> Rpm mailing list
> Rpm@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/rpm
prev parent reply other threads:[~2022-04-06 17:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-06 16:16 Dave Taht
2022-04-06 17:12 ` Will Hawkins [this message]
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