From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io1-xd2d.google.com (mail-io1-xd2d.google.com [IPv6:2607:f8b0:4864:20::d2d]) (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 5076F3B29E for ; Wed, 28 Aug 2019 20:55:49 -0400 (EDT) Received: by mail-io1-xd2d.google.com with SMTP id z3so3488528iog.0 for ; Wed, 28 Aug 2019 17:55:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=xho3APXimoYtt/Gs4UmUbbLOJrfIJ2BgUUbgmTtLj+M=; b=aboYjVUUS2CWsd2P86SrWZSEP0iUd7YAicd2Jfw3ImmkBDea35WImcagtFbDuyDLzc zV53WeKFI9j7GccEHEu/vB69dQNt0EHXp7Q3+3UyVvXsFoBLQM0jotcIB8XYpRrRzoc2 bnsEdci4tdE2BrrOBkhEb6w+nRMFitoY2zZrrAwgzJK/kO84n0kj69XKIypa5CCn8xVq 0RE6U9zst7Un6iKqG/4cg8XWSw3ovCVCmD/VhIqbzuwteIm3LpgSXoasff7ndhYPsfZt 7sdzHaKNuaKqNleofwBHFK2O8/59roB358Mp+oMbDHIdNxuOF7Ec7TUstcQ0eI6X+mMy iiZg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=xho3APXimoYtt/Gs4UmUbbLOJrfIJ2BgUUbgmTtLj+M=; b=NVQiym0JBnDn02V85anSbw0KXx2E8um2lextTfdKSo00H3b3n1WlYhplJHuKs9T7P+ ddzpZYydmm2IhTeLQEUzRnnSYqWsc+QqLlHWRz6/PcatuXmUmgnezgH1C9TnQyHydGu4 5VSlQZoJZ+cY0PfG90syzIh34SP4MhbqAdQEaQPE98JwXXe/gpM+ZQue1kI2NmYSsBVd nTwrXAPvDjBKNEYo5h/8LLBwnB7LMluCTr33yRx+ORE65YrzoXw9Nh60pVB9nxyuNt7j HboCM327+oXSSyMV0jmI0lulInyLN5EUwFM3b4HvQK62rvSthfWpmPIKRjHQCFkFGlxN Sr5Q== X-Gm-Message-State: APjAAAUKrja5qH9ucOPWfFIPs5CkEzD5LsVkak5R/sFY57nwFltB/I7U x7P1RTdMD9QQuEAsJ3gSAQ/3z/CSVdpRJvstGkoPxknAlUk= X-Google-Smtp-Source: APXvYqy7yXiS+CAr1Dq+2XW+TWA2cxwV6cPDKiOWQI+VFHkC0SuyEqLqSueU6L+rZ18JntgjCOWKDQ2GDFoUzeFzdhg= X-Received: by 2002:a5d:9dd8:: with SMTP id 24mr4766482ioo.249.1567040148692; Wed, 28 Aug 2019 17:55:48 -0700 (PDT) MIME-Version: 1.0 References: <4471314E-BACE-4EEA-B954-9795833764E3@ifi.uio.no> <95DAF9B7-8944-48D3-A4BD-A846CEAAF12B@ifi.uio.no> In-Reply-To: From: Dave Taht Date: Wed, 28 Aug 2019 17:55:37 -0700 Message-ID: To: Ryan Mounce Cc: Michael Welzl , ECN-Sane Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Ecn-sane] osx ecn X-BeenThere: ecn-sane@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussion of explicit congestion notification's impact on the Internet List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Aug 2019 00:55:49 -0000 fq_codel on osx ethernet (I'd only seen it on wifi before) https://discussions.apple.com/thread/250589601 On Wed, Aug 28, 2019 at 4:45 PM Dave Taht wrote: > > Very cool, thank you for jailbreaking. > > I'm a little puzzled over the cwr/ece ratio? > > 25 times received congestion experienced (CE) notification > 37 times CWR was sent in response to ECE > 619 times sent ECE notification > 1029 connections received CE atleast once > > And um, er, while you are here busting your warranty for the sake of > science, I'm dying to know what > > netstat -I each_interface_you_have_especially_lte -qq > > shows. They have a really short queue and some form of flow control > and I've never seen anything trigger except though a vm > > my laptop: > > en0: > > [ sched: FQ_CODEL qlength: 0/128 ] > > [ pkts: 0 bytes: 0 dropped pkts: 1087 bytes: 1= 77812 ] > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D > > [ pri: VO (1) srv_cl: 0x400180 quantum: 600 drr_max: = 8 ] > > [ queued pkts: 0 bytes: 0 ] > > [ dequeued pkts: 36767 bytes: 5237639 ] > > [ budget: 0 target qdelay: 10.00 msec update > interval:100.00 msec ] > > [ flow control: 0 feedback: 0 stalls: 0 failed: 0 ] > > [ drop overflow: 0 early: 0 memfail: 0 duprexmt:0 ] > > [ flows total: 0 new: 0 old: 0 ] > > [ throttle on: 0 off: 0 drop: 0 ] > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D > > [ pri: VI (2) srv_cl: 0x380100 quantum: 3000 drr_max: = 6 ] > > [ queued pkts: 0 bytes: 0 ] > > [ dequeued pkts: 96836 bytes: 36619772 ] > > [ budget: 0 target qdelay: 10.00 msec update > interval:100.00 msec ] > > [ flow control: 0 feedback: 0 stalls: 0 failed: 0 ] > > [ drop overflow: 0 early: 0 memfail: 0 duprexmt:0 ] > > [ flows total: 0 new: 0 old: 0 ] > > [ throttle on: 0 off: 0 drop: 0 ] > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D > > [ pri: BE (7) srv_cl: 0x0 quantum: 1500 drr_max: 4 ] > > [ queued pkts: 0 bytes: 0 ] > > [ dequeued pkts: 5212250 bytes: 2820548356 ] > > [ budget: 0 target qdelay: 10.00 msec update > interval:100.00 msec ] > > [ flow control: 30 feedback: 30 stalls: 0 failed: 0 ] > > [ drop overflow: 0 early: 0 memfail: 0 duprexmt:0 ] > > [ flows total: 0 new: 0 old: 0 ] > > [ throttle on: 0 off: 0 drop: 0 ] > > On Wed, Aug 28, 2019 at 4:29 PM Ryan Mounce wrote: > > > > On Wed, 28 Aug 2019 at 04:30, Michael Welzl wrote: > >> > >> > >> > >> On Aug 27, 2019, at 8:36 PM, Dave Taht wrote: > >> > >> On Mon, Aug 26, 2019 at 11:54 PM Michael Welzl wr= ote: > >> > >> > >> run it as root - strange, yes, but then the output is very different. > >> > >> cheers, > >> michael > >> > >> > >> Sent from my iPhone > >> > >> > >> speaking of iphones I have no idea what they do nowadays, any odds you > >> could do a packet > >> cap either on it or at a server or via wifi on a middlebox > >> > >> > >> I wouldn=E2=80=99t know =E2=80=A6 but I can guess: some years ago, I d= id a =E2=80=9Cjailbreak=E2=80=9D on my iPhone, and as a result, I could ssh= into it. > >> So I=E2=80=99m guessing: if you do this with a current one, you can pr= obably still ssh into it and then perhaps run netstat. > >> > >> Cheers, > >> Michael > > > > > > You sure can :) > > > > https://gist.github.com/rmounce/74dd5e92e6304688219024349bfaad0e > > > > -Ryan > > > >> > > -- > > Regards, > > Ryan Mounce > > > > ryan@mounce.com.au > > 0415 799 929 > > > > Sent from mobile > > > > -- > > Dave T=C3=A4ht > CTO, TekLibre, LLC > http://www.teklibre.com > Tel: 1-831-205-9740 --=20 Dave T=C3=A4ht CTO, TekLibre, LLC http://www.teklibre.com Tel: 1-831-205-9740