From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.15.18]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mout.gmx.net", Issuer "TeleSec ServerPass DE-1" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 6C47C21F68F for ; Fri, 23 Oct 2015 12:08:56 -0700 (PDT) Received: from hms-beagle.home.lan ([217.237.68.126]) by mail.gmx.com (mrgmx001) with ESMTPSA (Nemesis) id 0MCtNr-1ZgfHO1DGN-009dOE; Fri, 23 Oct 2015 21:08:41 +0200 Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Sebastian Moeller In-Reply-To: Date: Fri, 23 Oct 2015 21:08:43 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: References: <562A5BE5.6010101@gmail.com> To: David Lang X-Mailer: Apple Mail (2.1878.6) X-Provags-ID: V03:K0:jplcKw1WQS4VcTJlQBiSP0nZMbJTkmL0+vuVln6IQo/poP8Qu6u 5sWqi4C80vFuZJsBADu7qH6BopRniNB4NzFjhOArBnz+QBsAzAgLvIPEkrb3EmUH8jKN+zv ngcYkZ/YfOekzI52lHfY9aS0ziMkNU0fzylvhhxgkn2RyGUXw3TNhXV3Dr6O7VF/Tg/McBr o5DzFAefvns3u+33tg/6A== X-UI-Out-Filterresults: notjunk:1;V01:K0:fDgVFss6GyY=:Cj7Kw9NTyBDrZLWDvLy2NB prEAdctQC+iYMmlPqDokCiZ3RMfPXrlNbZNMMdSVgXxVWqcweeaZ4CZwmXWxVMMjqBCc5d1C4 V1uUgpUhx5hXHOzLwVTdpD1j21qvVIBuQZMQWydEuIhlxCKn12eJI/3SZUpfy0AEs9C6U6vOR DGBNCB4d/6gEkJTeKBk8szjFzzA0wWveVBVQMLBYNokJEqvUtoQf48u+whPEdJ5SuWAhfwZ7U QTcAKSpzKhIP4vZxyab/dpBYWrk7p0BsSxTzOthQbgu0L4bVzkTqHdAp79+eTN1jC+GMwYg+U 5U2yceiT2wi64OzFhCQSr/0+NEiPk75m703CZyweHSSGQFm9V3MtnTlTA5s5Oi2Z+t1dn9ITu keJ8J7rOylHcgBTZSa4LsgALrxIIIfzrcSQ/xC8zBKGwV03oCo+vPpU/8wcSudl4/bf4jQPM0 Bxvx4EQtNGp06k786j2Fsiot+rImp4oTF2P9hVRZQCWk1f9AHkWqI8vJafJcaSwKiqEgzY1dD HfJrtoZgxaxcoMK98SYgMXPsLdyqztfUVUCu2nfrkgGLdeb5205f6czqdxUPPOVfD0yGwzr4O Aaq4KcGVLjv/Eno0bUe2twneNBU/qXYvxYNiYXqGUVDz0V+rT5uneChs2v88Jv4iNXYgM3hWe QDVF5whvLZT4zN/NRmxtMEKHkB5Uu58Gb2xWp20FqrcKI/9PdR91N1AD1O1bbTkTXGbG0ljs+ /cR8mrajvpU+jW41UBgtDqGNQYWP8EhY++BAuSljkppnLh1+DC4+wPaLBJBvK8KxsypU3/w0f vT2BAZA Cc: cerowrt-devel Subject: Re: [Cerowrt-devel] Problems testing sqm 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: Fri, 23 Oct 2015 19:09:20 -0000 Hi David, On Oct 23, 2015, at 19:57 , David Lang wrote: > On Fri, 23 Oct 2015, Aaron Wood wrote: >=20 >> On Fri, Oct 23, 2015 at 9:10 AM, Richard Smith = wrote: >>=20 >>> I have a shiny new Linksys WRT1900ACS to test. >>>=20 >>> I thought it might be nice to start with some comparisons of factory >>> firmware vs OpenWRT with sqm enabled. >>>=20 >>=20 >> Here are my results with the same router (unless the WRT1900ACS is >> different from the WRT1900AC): >> = http://burntchrome.blogspot.com/2015/06/sqmscripts-before-and-after-at-160= mbps.html >=20 > the ACS has more flash (and ram IIRC) and is 1.6GHz instead of 1.2GHz >=20 > David Lang According to https://wikidevi.com/wiki/Marvell the wrt1900AC has = an older marvell MV78230 or armada XP SoC while both the wrt1200AC and = the wrt1900ACS sport a newer 88F6820 or armada 385 SoC. I believe Mikael = Abrahamsson tested the wrt1200AC to be quite competent as CPU based = router and shaper, so I am puzzled with Richards results. Hopefully we = will figure out the cause and fix/improve sqm=85 Best Regards Sebastian >=20 >>=20 >>=20 >>=20 >>> So I built and installed an openwrt trunk but the results were very >>> non-impressive. Rrul test reported mulit-seconds of latency and it = was >>> equally non-impressive with sqm enabled or disabled. So I assumed = that sqm >>> in trunk on this device must not work yet. Then I wondered how well = sqm in >>> trunk was tested and that perhaps its broken for all devices. >>>=20 >>=20 >> Trunk or the Chaos Calmer release? (I"m running CC RC1) >>=20 >>=20 >>> My test setup: >>>=20 >>> Laptop<--1000BaseT-->DUT<--1000baseT-->Server >>>=20 >>=20 >> Which ports on the DUT were you using? are those local ports, or is = one of >> those the "internet" port? >>=20 >> -Aaron > _______________________________________________ > Cerowrt-devel mailing list > Cerowrt-devel@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cerowrt-devel > _______________________________________________ > Cerowrt-devel mailing list > Cerowrt-devel@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cerowrt-devel