From owner-svn-src-head@FreeBSD.ORG Tue May 20 16:37:46 2014 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4EC08B9F; Tue, 20 May 2014 16:37:46 +0000 (UTC) Received: from mx1.sbone.de (mx1.sbone.de [IPv6:2a01:4f8:130:3ffc::401:25]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client CN "mx1.sbone.de", Issuer "SBone.DE" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 02D3227D6; Tue, 20 May 2014 16:37:45 +0000 (UTC) Received: from mail.sbone.de (mail.sbone.de [IPv6:fde9:577b:c1a9:31::2013:587]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mx1.sbone.de (Postfix) with ESMTPS id 54EA825D388C; Tue, 20 May 2014 16:37:43 +0000 (UTC) Received: from content-filter.sbone.de (content-filter.sbone.de [IPv6:fde9:577b:c1a9:31::2013:2742]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPS id 6A762C22B99; Tue, 20 May 2014 16:37:42 +0000 (UTC) X-Virus-Scanned: amavisd-new at sbone.de Received: from mail.sbone.de ([IPv6:fde9:577b:c1a9:31::2013:587]) by content-filter.sbone.de (content-filter.sbone.de [fde9:577b:c1a9:31::2013:2742]) (amavisd-new, port 10024) with ESMTP id 1YITq8WdSS41; Tue, 20 May 2014 16:37:41 +0000 (UTC) Received: from [IPv6:fde9:577b:c1a9:4420:cabc:c8ff:fe8b:4fe6] (unknown [IPv6:fde9:577b:c1a9:4420:cabc:c8ff:fe8b:4fe6]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPSA id 80328C22B98; Tue, 20 May 2014 16:37:38 +0000 (UTC) Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 7.2 \(1874\)) Subject: Re: svn commit: r265792 - head/sys/kern From: "Bjoern A. Zeeb" In-Reply-To: <20140520162657.GG3327@zxy.spb.ru> Date: Tue, 20 May 2014 16:37:38 +0000 Content-Transfer-Encoding: quoted-printable Message-Id: <52888028-FF0D-44A1-9395-788130B83F16@lists.zabbadoz.net> References: <201405100053.s4A0rbF9080571@svn.freebsd.org> <20140511083114.GA53503@zxy.spb.ru> <20140520154113.GA23318@zxy.spb.ru> <20140520162657.GG3327@zxy.spb.ru> To: Slawa Olhovchenkov X-Mailer: Apple Mail (2.1874) Cc: "svn-src-head@freebsd.org" , "svn-src-all@freebsd.org" , "src-committers@freebsd.org" X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 May 2014 16:37:46 -0000 On 20 May 2014, at 16:26 , Slawa Olhovchenkov wrote: > On Tue, May 20, 2014 at 09:04:25AM -0700, Adrian Chadd wrote: >=20 >> On 20 May 2014 08:41, Slawa Olhovchenkov wrote: >>=20 >>>> (But if you try it on 10.0 and it changes things, by all means let = me know.) >>>=20 >>> I am try on 10.0, but not sure about significant improvement (may be >>> 10%). >>>=20 >>> For current CPU (E5-2650 v2 @ 2.60GHz) hwpmc don't working (1. after >>> collect some data `pmcstat -R sample.out -G out.txt` don't decode = any; >>> 2. kldunload hwpmc do kernel crash) and I can't collect detailed >>> profile information. >>=20 >> Yup. I'm starting to get really ticked off at how pmc logging on >> multi-core devices just "stops" after a while. I'll talk with other >> pmc people and see if we can figure out what the heck is going on. :( >=20 > pmc work on E5-2620 @ 2.00GHz (NOT E5 _v2_) I am looking into E5-2643 v2 issues on HEAD currently. Just in case this will help anyone. =97=20 Bjoern A. Zeeb "Come on. Learn, goddamn it.", WarGames, 1983