From owner-freebsd-stable@FreeBSD.ORG Wed Dec 14 01:37:48 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A8A8A1065670 for ; Wed, 14 Dec 2011 01:37:48 +0000 (UTC) (envelope-from george+freebsd@m5p.com) Received: from mailhost.m5p.com (ip-3-2-0-2.r20.asbnva02.us.ce.gin.ntt.net [IPv6:2001:418:0:5000::16]) by mx1.freebsd.org (Postfix) with ESMTP id 5C2B98FC16 for ; Wed, 14 Dec 2011 01:37:48 +0000 (UTC) Received: from wonderland.m5p.com (wonderland.m5p.com [IPv6:2001:418:3fd::19]) by mailhost.m5p.com (8.14.4/8.14.4) with ESMTP id pBE1bgfA003516 for ; Tue, 13 Dec 2011 20:37:47 -0500 (EST) (envelope-from george+freebsd@m5p.com) Message-ID: <4EE7FDE6.2010006@m5p.com> Date: Tue, 13 Dec 2011 20:37:42 -0500 From: George Mitchell User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:8.0) Gecko/20111127 Thunderbird/8.0 MIME-Version: 1.0 To: freebsd-stable@freebsd.org References: <4EE1EAFE.3070408@m5p.com> <4EE22421.9060707@gmail.com> <4EE6060D.5060201@mail.zedat.fu-berlin.de> <4EE69C5A.3090005@FreeBSD.org> <20111213230215.GA83159@blazingdot.com> In-Reply-To: <20111213230215.GA83159@blazingdot.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.7 (mailhost.m5p.com [IPv6:2001:418:3fd::f7]); Tue, 13 Dec 2011 20:37:47 -0500 (EST) X-Scanned-By: MIMEDefang 2.72 on IPv6:2001:418:3fd::f7 Subject: Re: SCHED_ULE should not be the default X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Dec 2011 01:37:48 -0000 On 12/13/11 18:02, Marcus Reid wrote: > [...] > The issues that I've seen with ULE on the desktop seem to be caused by X > taking up a steady amount of CPU, and being demoted from being an > "interactive" process. X then becomes the bottleneck for other > processes that would otherwise be "interactive". Try 'renice -20 > ' and see if that makes your problems go away. > > Marcus > [...] renice on X has no effect. Stopping my compute-bound dnetc process immediately speeds everything up; restarting it slows it back down. On 12/13/11 19:01, mdf@freebsd.org wrote: > [...] > Has anyone experiencing problems tried to set sysctl kern.sched.steal_thresh=1 ? > [...] 1 appears to be the default value for kern.sched.steal_thresh. -- George Mitchell