From owner-freebsd-net@FreeBSD.ORG Thu Sep 6 18:02:51 2012 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 77E16106567C; Thu, 6 Sep 2012 18:02:51 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-pb0-f54.google.com (mail-pb0-f54.google.com [209.85.160.54]) by mx1.freebsd.org (Postfix) with ESMTP id 2FBB08FC1C; Thu, 6 Sep 2012 18:02:51 +0000 (UTC) Received: by pbbrp2 with SMTP id rp2so3033073pbb.13 for ; Thu, 06 Sep 2012 11:02:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=0sFCF+SwJrcDx9nayFsTPZa6EVO3ipJT/u0wY9Bt4LY=; b=RiWKJIdlAKjgTg1psFZsWPySzW2xpQGBR+P+79K+UbaDGl7cqNxg6BEx2R8LQhq4aD IJsq6Sc5kP+GQ4MyaHDIxcsw7VvWKHnEvi9EYgaS0EF/iri3o55A0/2nNfMqgZbyRxpM 8EpQfd88cpXFZFPo5TPxUQc1nmvMPwrxW70uk8/w3PSC/YdMeC9K2JA3zdjILfZnAzSj Hh2ErZsRweNtywPHJE9S/CfqSeEr2beYtMqudvCTLEfnXi+7k4FYPaJDWzhlreRL6w2t rtOJso7clh6iRP44dAiyiYeLhbtSnhVj01vzYlxzqYc9jQS3iq7s6lLc7LD1hFTaaFSH DGZg== MIME-Version: 1.0 Received: by 10.68.138.169 with SMTP id qr9mr5767919pbb.27.1346954570973; Thu, 06 Sep 2012 11:02:50 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.68.36.106 with HTTP; Thu, 6 Sep 2012 11:02:50 -0700 (PDT) In-Reply-To: <10710514011.20120906220055@serebryakov.spb.ru> References: <1865271844.20120829131610@serebryakov.spb.ru> <1807373989.20120829223125@serebryakov.spb.ru> <20120830152726.A33776@sola.nimnet.asn.au> <534292400.20120830131158@serebryakov.spb.ru> <20120831180721.GB3208@michelle.cdnetworks.com> <50404F91.8080302@rdtc.ru> <20120903184049.GB3730@michelle.cdnetworks.com> <50443888.9080400@rdtc.ru> <20120903214333.GC3730@michelle.cdnetworks.com> <5044772C.8090302@rdtc.ru> <5046FE57.3050903@rdtc.ru> <5048D7A7.1030708@rdtc.ru> <5048DFF8.50405@smeets.im> <10710514011.20120906220055@serebryakov.spb.ru> Date: Thu, 6 Sep 2012 11:02:50 -0700 X-Google-Sender-Auth: 5s7W7yoJymqXNfavI5FFkBPkpd4 Message-ID: From: Adrian Chadd To: lev@freebsd.org Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: quoted-printable Cc: pyunyh@gmail.com, Florian Smeets , Eugene Grosbein , freebsd-net@freebsd.org, Alexander Motin , Ian Smith Subject: Re: vr(4) troubles for AMD Geode CS5536 chipset X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Sep 2012 18:02:51 -0000 Hiya, On 6 September 2012 11:00, Lev Serebryakov wrote: > Hello, Adrian. > You wrote 6 =D3=C5=CE=D4=D1=C2=D2=D1 2012 =C7., 21:41:39: > >>> At the top (below the license) of tools/sched/schedgraph.py there is a >>> "# To use:" section. It should have everything you need. > AC> Thanks, I thought there was also a wiki page somewhere? > I have some KTR traces for SCHED with 4BSD and ULE under load on same > Geode with same vr(4) adapters, but I don't understand how to read > them. Yes, I could look at (very slow, small and bad looking) graphs > with Python/Tk script, but I don't understand, what does it all mean. Hi, ARe you able to repeat the same with 4bsd/ule and disabled PREEMPTION? Do you see performance issues go away when you disable preemption? adrian