From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.tohojo.dk (mail.tohojo.dk [188.40.53.186]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by huchra.bufferbloat.net (Postfix) with ESMTPS id 80C2421F129 for ; Mon, 8 Jul 2013 10:09:54 -0700 (PDT) Received: from alrua-desktop.borgediget.toke.dk (unknown [10.42.3.5]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.tohojo.dk (Postfix) with ESMTPSA id A21D51EC0619; Mon, 8 Jul 2013 19:09:52 +0200 (CEST) Received: by alrua-desktop.borgediget.toke.dk (Postfix, from userid 1000) id 08F3F10BA4; Mon, 8 Jul 2013 19:09:52 +0200 (CEST) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= To: Mikael Abrahamsson In-Reply-To: (Mikael Abrahamsson's message of "Mon, 8 Jul 2013 02:24:25 +0200 (CEST)") Date: Mon, 08 Jul 2013 19:03:44 +0200 References: <1373223178.486913695@apps.rackspace.com> User-Agent: Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.3 (gnu/linux) Message-ID: <871u79x9kb.fsf@toke.dk> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" Cc: cerowrt-devel@lists.bufferbloat.net Subject: Re: [Cerowrt-devel] happy 4th! X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jul 2013 17:09:55 -0000 --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Mikael Abrahamsson writes: > I have not so far seen tests with FQ_CODEL with a simulated 100ms > extra latency one-way (200ms RTT). They might be out there, but I have > not seen them. I encourage these tests to be done. Did a few test runs on my setup. Here are some figures (can't go higher than 100mbit with the hardware I have, sorry). Note that I haven't done tests at 100mbit on this setup before, so can't say whether something weird is going on there. I'm a little bit puzzled as to why the flows don't seem to get going at all in one direction for the rrul test. I'm guessing it has something to do with TSQ. Attaching graphs makes the listserv bounce my mail, so instead they're here: http://archive.tohojo.dk/bufferbloat-data/long-rtt/ with throughput data below. Overall, it looks pretty good for fq_codel I'd say :) I can put up the data files as well if you'd like. =2DToke Throughput data: 10mbit: rrul test (4 flows each way), pfifo_fast qdisc: TCP download sum: Data points: 299 Total: 375.443728 Mbits Mean: 6.278323 Mbits/s Median: 6.175466 Mbits/s Min: 0.120000 Mbits/s Max: 9.436373 Mbits/s Std dev: 1.149514 Variance: 1.321382 =2D- TCP upload sum: Data points: 300 Total: 401.740454 Mbits Mean: 6.695674 Mbits/s Median: 6.637576 Mbits/s Min: 2.122827 Mbits/s Max: 16.892302 Mbits/s Std dev: 1.758319 Variance: 3.091687 =20=20 rrul test (4 flows each way), fq_codel qdisc: TCP download sum: Data points: 301 Total: 492.824346 Mbits Mean: 8.186451 Mbits/s Median: 8.416901 Mbits/s Min: 0.120000 Mbits/s Max: 9.965051 Mbits/s Std dev: 1.244959 Variance: 1.549924 =2D- TCP upload sum: Data points: 305 Total: 717.499994 Mbits Mean: 11.762295 Mbits/s Median: 8.630924 Mbits/s Min: 2.513799 Mbits/s Max: 323.180000 Mbits/s Std dev: 31.056047 Variance: 964.478066 TCP test (one flow each way), pfifo_fast qdisc: TCP download: Data points: 301 Total: 263.445418 Mbits Mean: 4.376170 Mbits/s Median: 4.797729 Mbits/s Min: 0.030000 Mbits/s Max: 5.757982 Mbits/s Std dev: 1.135209 Variance: 1.288699 =2D-- TCP upload: Data points: 302 Total: 321.090853 Mbits Mean: 5.316074 Mbits/s Median: 5.090142 Mbits/s Min: 0.641123 Mbits/s Max: 24.390000 Mbits/s Std dev: 2.126472 Variance: 4.521882 TCP test (one flow each way), fq_codel qdisc: TCP download: Data points: 302 Total: 365.357123 Mbits Mean: 6.048959 Mbits/s Median: 6.550488 Mbits/s Min: 0.030000 Mbits/s Max: 9.090000 Mbits/s Std dev: 1.316275 Variance: 1.732579 =2D-- TCP upload: Data points: 303 Total: 466.550695 Mbits Mean: 7.698856 Mbits/s Median: 6.144435 Mbits/s Min: 0.641154 Mbits/s Max: 127.690000 Mbits/s Std dev: 12.075298 Variance: 145.812812 100 mbit: rrul test (4 flows each way), pfifo_fast qdisc: TCP download sum: Data points: 301 Total: 291.718140 Mbits Mean: 4.845816 Mbits/s Median: 4.695355 Mbits/s Min: 0.120000 Mbits/s Max: 10.774475 Mbits/s Std dev: 1.818852 Variance: 3.308222 =2D- TCP upload sum: Data points: 305 Total: 5468.339961 Mbits Mean: 89.644917 Mbits/s Median: 90.731214 Mbits/s Min: 2.600000 Mbits/s Max: 186.362429 Mbits/s Std dev: 21.782436 Variance: 474.474532 rrul test (4 flows each way), fq_codel qdisc: TCP download sum: Data points: 304 Total: 427.064699 Mbits Mean: 7.024090 Mbits/s Median: 7.074768 Mbits/s Min: 0.150000 Mbits/s Max: 17.870000 Mbits/s Std dev: 2.079303 Variance: 4.323501 =2D- TCP upload sum: Data points: 305 Total: 5036.774674 Mbits Mean: 82.570077 Mbits/s Median: 82.782532 Mbits/s Min: 2.600000 Mbits/s Max: 243.990000 Mbits/s Std dev: 22.566052 Variance: 509.226709 TCP test (one flow each way), pfifo_fast qdisc: TCP download: Data points: 160 Total: 38.477172 Mbits Mean: 1.202412 Mbits/s Median: 1.205256 Mbits/s Min: 0.020000 Mbits/s Max: 4.012585 Mbits/s Std dev: 0.728299 Variance: 0.530419 TCP upload: Data points: 165 Total: 2595.453489 Mbits Mean: 78.650106 Mbits/s Median: 92.387832 Mbits/s Min: 0.650000 Mbits/s Max: 102.610000 Mbits/s Std dev: 30.432215 Variance: 926.119728 TCP test (one flow each way), fq_codel qdisc: Data points: 301 Total: 396.307606 Mbits Mean: 6.583183 Mbits/s Median: 7.786816 Mbits/s Min: 0.030000 Mbits/s Max: 15.270000 Mbits/s Std dev: 3.034477 Variance: 9.208053 TCP upload: Data points: 302 Total: 4238.768131 Mbits Mean: 70.178280 Mbits/s Median: 74.722554 Mbits/s Min: 0.650000 Mbits/s Max: 91.901862 Mbits/s Std dev: 17.860375 Variance: 318.993001 --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.20 (GNU/Linux) iQEcBAEBAgAGBQJR2vJUAAoJEENeEGz1+utP/P0H/0sIp8hbMwaTlecMEMHRFy9w 2nE9eC55b++6MWxVb0QDxBzauZYFG6z6+wUpY/JaeNToidhFzig9xXPoFiTw/7Fe hM6jkRTyFf4MbYgn4I6izrtF/u7adw3pcVp5Ljr8xluCmnXxLJdQTijBplzlSztC EwknQZwRezCKAybK7ruD+kD1b2h/gKUGJy6qgiXqr5zsc397PftMLnce4djWPB3N psb+kX95qFBhdB78FzgE5jWaU1VLchyVa9LpzAYt0fdldsKXOpaa7yD++qc+1GzT XIgxr9PEvIlSTAG77fuqQVKaXZ9Uy9R9d3IVt9P78lPouyq0dXPrVHr6176pRE0= =SNGf -----END PGP SIGNATURE----- --=-=-=--