From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-x22c.google.com (mail-wr0-x22c.google.com [IPv6:2a00:1450:400c:c0c::22c]) (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 A2F503CB35 for ; Wed, 29 Nov 2017 10:33:22 -0500 (EST) Received: by mail-wr0-x22c.google.com with SMTP id z18so3771787wrb.8 for ; Wed, 29 Nov 2017 07:33:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc:message-id:references :to; bh=Q45/xOq1U+VwJZWbmH5JV7aYBLLbLFOc3bArzwI5fgQ=; b=vUPrUJCmBF/IMRMAwY78FngNzNZSeioF0aWmyvnJ7Ia9LedDOSULT6FbTlTo2AYAN1 u9e2jq3GXjHRCPTLygo2ElOsjeAhHDDDNZDKLLoFp1/AoCKvR0ElIRrpmuYsMeUxjs6y QWMwMFIXhG2h4zN98evApLigziZHJ7ZV3Jjqyd4LHQm+gD2jxQyp+GGKfzRwYzDLNO49 JNvblt/VxmLnzpSWvjI7dgsfePPrUgPIzjjoZN5liEGMqzwscE4CJhR5E4uXzab00ybx xsJgWCJ9eQ2Z6wLfNoAMWsZnBEnPZXgbTBS+GooeO6QPKnRvLFNy+7JfV1hejIk0kOye qCfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :message-id:references:to; bh=Q45/xOq1U+VwJZWbmH5JV7aYBLLbLFOc3bArzwI5fgQ=; b=H+EP1XFadwn2NZWUqFcg5l/vId1R9juj5lW4O8Sfdh1QuNKPDuxWr2QwjOhXK20s0p 20F0+V7ONvCvkTt/WPMpC03FfWYbEK8Ly8+J2Tt74KsQlmKTSIozOYdPTsJiFh6Sx9Eb hVcAiTPIHaJYJedXBLlIme9CunC3+XTtCIZO2Gu694uOd/+vQQj3EvmOxvHZp7FBgtvl kdRuFzk3qZn1XBhfMqBrDToouIL6dq+fha+i1hniRn1G1BGmL3VCwGBpiP6JChPddYNe 12PMVNNCYkXnd3TEJpjwq122jUdqbTsOj7xqWhkiZYTLizV84AyXcqjhbnIvUjdyJS2j /Haw== X-Gm-Message-State: AJaThX7xhSLLoycFb6/zxmbSsexS+Jo8/yhQHn5qjB0mWm6GVIY3UmEK P/6srS8SLzXh0/Y4xKTChWM= X-Google-Smtp-Source: AGs4zMa/Ko/2h64yQdrF4RB3UOwExEgsuthruZtnBGXgLyjGVNnfOz1NThPo3h/QsOp0fKaCechAJA== X-Received: by 10.223.150.46 with SMTP id b43mr2912230wra.5.1511969601759; Wed, 29 Nov 2017 07:33:21 -0800 (PST) Received: from [10.72.0.130] (h-1169.lbcfree.net. [185.99.119.68]) by smtp.gmail.com with ESMTPSA id d1sm1160327wra.44.2017.11.29.07.33.20 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 29 Nov 2017 07:33:21 -0800 (PST) Content-Type: multipart/alternative; boundary="Apple-Mail=_3A6C0F2E-A2C3-4604-846B-3112004196F0" Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) From: Pete Heist In-Reply-To: <87k1y96swh.fsf@toke.dk> Date: Wed, 29 Nov 2017 16:33:22 +0100 Cc: =?utf-8?Q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , Cake List Message-Id: <20760855-77A6-456D-BFDB-2A5D17C4528A@gmail.com> References: <745FEC66-95A7-40E1-A8FA-57714D3AB6AC@gmail.com> <87zi76xlw5.fsf@nemesis.taht.net> <6F2894AD-87EA-4EFC-918E-625E49EDA977@gmail.com> <87o9nmxcbg.fsf@nemesis.taht.net> <87bmjmxbgw.fsf@nemesis.taht.net> <3FAFACA8-C918-4325-BF80-B7EBB6B9B4A7@gmail.com> <87k1y96swh.fsf@toke.dk> To: Georgios Amanakis X-Mailer: Apple Mail (2.3124) Subject: Re: [Cake] cake flenter results round 2 X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Nov 2017 15:33:23 -0000 --Apple-Mail=_3A6C0F2E-A2C3-4604-846B-3112004196F0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On Nov 29, 2017, at 3:50 PM, Toke H=C3=B8iland-J=C3=B8rgensen = wrote: >=20 > Georgios Amanakis > = writes: >=20 >> I am troubled by the number of data points flent reports for some = pings and >> uploads in this setup. A typical ack-filter result, similar to rrul2 = I >> posted before, looks like this: > Flent has recently learned how to support the irtt tool > (https://github.com/peteheist/irtt/ = ) for the UDP latency measurements, > which emits isochronous latency probes in the same way as the regular > ping tool. If you install irtt and use the latest git version of = Flent, > it should be picked up automatically and used for the UDP ping > measurements. In case you install irtt, let me know if you have any problems. It=E2=80=99= s currently only in source form, but should be easy to install after you = have Go set up. https://github.com/peteheist/irtt#installation. There = are also two systemd service files in the tree in case you want to start = the server at boot. (That was also informative for me about how netperf decides when to emit = a data point=E2=80=A6) --Apple-Mail=_3A6C0F2E-A2C3-4604-846B-3112004196F0 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
On Nov 29, 2017, at 3:50 PM, Toke H=C3=B8iland-J=C3=B8rgensen = <toke@toke.dk> = wrote:

Georgios Amanakis <gamanakis@gmail.com> writes:

I am troubled by the number of data points flent = reports for some pings and
uploads in this setup. A = typical ack-filter result, similar to rrul2 I
posted = before, looks like this:
Flent has recently learned how to support the = irtt tool
(https://github.com/peteheist/irtt/) for the UDP latency measurements,
which emits = isochronous latency probes in the same way as the regular
ping tool. If you = install irtt and use the latest git version of Flent,
it should be picked = up automatically and used for the UDP ping
measurements.

In case you install irtt, let me know if you have = any problems. It=E2=80=99s currently only in source form, but should be = easy to install after you have Go set up. https://github.com/peteheist/irtt#installation. There are = also two systemd service files in the tree in case you want to start the = server at boot.

(That was also = informative for me about how netperf decides when to emit a data = point=E2=80=A6)

= --Apple-Mail=_3A6C0F2E-A2C3-4604-846B-3112004196F0--