From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 69AE33B29E for ; Sat, 27 Jan 2018 08:40:25 -0500 (EST) Received: from [192.168.10.50] ([217.246.2.19]) by mail.gmx.com (mrgmx103 [212.227.17.168]) with ESMTPSA (Nemesis) id 0MUHbK-1eFgdZ3t6g-00QyDl for ; Sat, 27 Jan 2018 14:40:24 +0100 To: "bloat@lists.bufferbloat.net" From: Matthias Tafelmeier Message-ID: Date: Sat, 27 Jan 2018 14:40:22 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha384; protocol="application/pgp-signature"; boundary="y4921U0Tw0RvqU7jCgL7uoQT9RFUYO3Bj" X-Provags-ID: V03:K0:hJrloT2vYYNBU9F0Bz7GHudqmtqiVfxzxotxpfPX9UFCXE7CFoU 3i2uERHr3sKvv3QpucvhYl0qgVZcuxrP3jpKWXDvM765jGuUWn0yDUygdZh6Tj5iBSUcxYL 98MYCblySQcAzEKyuM4LKbRAYPA5rYl131Aov2Y1wtru7MVOPwZMIYL0Gr8CL5QP0OhKFcl paLFxUsO0LmcDmVfW2jjQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:uacLU5+1FJ4=:qxPEJpikMno4zlG/si7Obz Zmy/U9kCJ8HzUqV9nIRkuauxuWaFdiTTtwAcpP+C+ZU/g/CUsYoHQ4qDruNdjxUOgDwNUl23+ dBFCZf92goa8Wkpso9y86AGBqemgojGFG4IOWnKJXau/s2hdpm1EWx7msv7nSUlDxgCdRT6LB X+6XztA8lU1ydsmf52XS4Rfx7ZlWlqDimMZzMmBKconvSnmSDDUtTykB34hxwGM2uw9oNtJ72 Tk9qY5SInOFU9v1Jenpikz8FEEwQKh1qWvpncJi3dLTlyav41cnMDWmABKgLigyoaMBROBRGq qzahGnwfKoLlfSPQWRU+hCMEXP8NPFW9rmBeKR3o8Y8jLS1RPU7bRZdIlrF0bKUmN3p/P1yes /tjEdVu8c5wnjAD3cjenMY1VnAhyuNGeE0Qbu08ZPO733hFNeUOugzWMt+P0+8HOy1B5npMW8 g4wzLq4vQzyFCjns1arsQltqyb1jRci1tmXNV3ZwfQW5CN3BQGbf73HijccF2YM2/p75ks17q /3sXreAnpqMA32LCjrLHMCcjLrnginicSS9ox6u3Iu0/vUwpqcOcHncDCeUZ5uHk5Mu8w/KCe DGFtSLy6HLbpqK8+Pw/9B9Q5g5oOgfMnq1S8qt19EOOujs7TYbbylnsHoFFgKYBUuU23pVbXa +KpwMMOx7jOwp2sp/+8VuH0YR6Fjxvy5Hi6rfeyYy58GoVIHjfp3qvla2VYFQmPILHtrwWWM5 4t7oDfv5oC/XetfovpMtgluA90zCQrg6WZrYiEWlL5+L4jGmA/wZVXPbi+Gj3GTNJW4ZYUBEn kGKcG52g9q6C9FDe6pj75KiG70Mag== Subject: [Bloat] qdisc traversing flows X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 27 Jan 2018 13:40:25 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --y4921U0Tw0RvqU7jCgL7uoQT9RFUYO3Bj Content-Type: multipart/mixed; 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Hallo,

since this ML has a strong qdisc oriented spin, I'd like to share what I did end of last year. I was playing a little with BCC/eBPF and kernel flow interfacing [1] ... excuses for the code quality, it was prototyping, though ...

I can imagine reviving efforts as to fleutan, since I perceive many usefel aspects as to flowing and associations of it are simply not covered yet, at least no conveniently accessible from user land end and not on from a per node angle. Especially the case for backend scenarios with > thousands of flows. Quite some acre to be plowed if you asked me. Feel free to prove me wrong. Mostly, I perceive quicker leaps are down to mundane things like efficient, convenient diggestabilty of low level kernel interfacing output ... e.g. iproute2. A lot of vibrant dymanics are perceivable lately in this corner though - I'm applauding. [2][]

Until further progress, might to the merrit of some.

$ sudo ./fleutan flows -q -i 5

qdisc queues #>
load (bytes) per qu
#########################################################################=
###########################
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=
=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=
=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88                =
                                              0.3K          0
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=
=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=
=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=
=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=
=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=
=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=
=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88       =
   1.00K          1
----

flowing volumes per qu ##>
0
#########################################################################=
#########################################################################=
#####
=E2=96=88=E2=96=88=E2=96=88=E2=96=88                                     =
                    66.00                 192.168.10.50#47956         91.=
1.49.97#80                        =20
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88                            =
                            78.00                            ::#58       =
               ::#0                         =20
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88                   =
                                    86.00          2003:62:4625:d1a4:a166=
:cf47:30a6:e612#51358 2a00:1450:4001:80b::200a#80   =20
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88                   =
                                    86.00          2003:62:4625:d1a4:a166=
:cf47:30a6:e612#51360 2a00:1450:4001:80b::200a#80   =20

----
flowing volumes per qu ##>
1
#########################################################################=
#########################################################################=
#####
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88                   =
                                    86.00          2002:22:4625:d1a4:a166=
:cf47:30a6:e612#51360 2a00:1450:4001:80b::200a#80   =20
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88          =
                                           112.00                 192.168=
=2E10.50#43660        192.111.249.9#443                       =20
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=
=96=88=E2=96=88=E2=96=88=E2=96=88                                        =
        172.00          2003:62:4625:d1a4:a166:cf47:30a6:e612#55834 2a02:=
26f0:fc::5c7a:317c#80    =20
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=
=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=
=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=
=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=
=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=
          710.00          2003:62:4625:d1a4:a166:cf47:30a6:e612#54292 2a0=
0:1450:4001:819::200e#443


[1] https://github.com/cherusk/fleutan

[2] https://github.com/svinota/pyroute2

[3] https://git.kernel.org/pub/scm/linux/kernel/git/dbo= rkman/iproute2.git/commit/?id=3D43bc20ae736c943a7202fef07104eb1b5800b7f8<= /a>

--=20
Besten Gru=C3=9F

Matthias Tafelmeier
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