From owner-freebsd-stable@FreeBSD.ORG Mon Jun 9 23:29:34 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 8653E776 for ; Mon, 9 Jun 2014 23:29:34 +0000 (UTC) Received: from mailhost.m5p.com (ip-2-1-0-2.r03.asbnva02.us.ce.gin.ntt.net [IPv6:2001:418:0:5000::16]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 42E462DEE for ; Mon, 9 Jun 2014 23:29:34 +0000 (UTC) Received: from wonderland.m5p.com (localhost [IPv6:::1]) by mailhost.m5p.com (8.14.5/8.14.5) with ESMTP id s59NTQqY010983 for ; Mon, 9 Jun 2014 19:29:31 -0400 (EDT) (envelope-from george+freebsd@m5p.com) Message-ID: <53964356.90201@m5p.com> Date: Mon, 09 Jun 2014 19:29:26 -0400 From: George Mitchell User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: freebsd-stable@freebsd.org Subject: Re: Not to beat a dead horse, but ... References: <5394A848.7030609@m5p.com> <20140609190409.GU31367@funkthat.com> In-Reply-To: <20140609190409.GU31367@funkthat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.73 on 10.100.0.3 X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.7 (mailhost.m5p.com [IPv6:::1]); Mon, 09 Jun 2014 19:29:31 -0400 (EDT) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Jun 2014 23:29:34 -0000 On 06/09/14 15:04, John-Mark Gurney wrote: > [...] > If you were running dnetc, your complaint is that one processor > hog wasn't able to hog the processor as much as another processor > hog? If the numbers above are to be believed, _ULE is doing a > better job than _4BSD since it more evenly shared the processor > w/ the other processor hog, in that they both got ~50% of the > cpu... If this is the case, then you need to use nice w/ buildworld > to give it higher priority... > [...] dnetc runs at nice 20 and is essentially 100% compute bound. I'm more than happy for buildworld/buildkernel to get every cycle it can when it emerges from an I/O wait. -- George