From owner-freebsd-stable@FreeBSD.ORG  Sat Jun 14 10:52:52 2014
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@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 26E7A84B
 for <freebsd-stable@freebsd.org>; Sat, 14 Jun 2014 10:52:52 +0000 (UTC)
Received: from mail-we0-x22e.google.com (mail-we0-x22e.google.com
 [IPv6:2a00:1450:400c:c03::22e])
 (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits))
 (Client CN "smtp.gmail.com",
 Issuer "Google Internet Authority G2" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id AE9D32528
 for <freebsd-stable@freebsd.org>; Sat, 14 Jun 2014 10:52:51 +0000 (UTC)
Received: by mail-we0-f174.google.com with SMTP id u57so3741101wes.19
 for <freebsd-stable@freebsd.org>; Sat, 14 Jun 2014 03:52:49 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
 h=sender:date:from:to:cc:subject:message-id:mail-followup-to
 :references:mime-version:content-type:content-disposition
 :in-reply-to:user-agent;
 bh=pSiNByLN4owIEJKDbJukPliyMWsz/GmCk3vFTFLkOp8=;
 b=hjdqkx+az/myaj7v5XPB3bcAAX1ncn5ZnzYBPscwCWf+0VRFrlY2DB33jDkdBvclMe
 nbnMYBf0qA2pCyjyJ4VcjFCK4tEdnK84lfS+PnPqe6rALsGBeWJNngo1QXr3q8k52Dw6
 bS5NEBJTdO4nZ8XzFdeGzzomTGwD+I8/nnMNhHfJoj6OfYf2mI+Q+xCM2NpSHWW+/N5p
 rkgn1he91HeRtvLxupl2rCcNn/q9TYUE2Dk54E+MYHvL2XrkDUdaAU81rCdPIz8Tn3So
 G8qCO7dwpVzCkkDtm3YZ4kaqjOBdiX3C1gpiqM7+xIe3vvR7DVdBL340jcFgi4dsdPPj
 X5Kw==
X-Received: by 10.194.10.130 with SMTP id i2mr11722186wjb.70.1402743169863;
 Sat, 14 Jun 2014 03:52:49 -0700 (PDT)
Received: from brick.home (abwp17.neoplus.adsl.tpnet.pl. [83.8.239.17])
 by mx.google.com with ESMTPSA id i4sm18336120eeg.28.2014.06.14.03.52.48
 for <multiple recipients>
 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
 Sat, 14 Jun 2014 03:52:49 -0700 (PDT)
Sender: =?UTF-8?Q?Edward_Tomasz_Napiera=C5=82a?= <etnapierala@gmail.com>
Date: Sat, 14 Jun 2014 12:52:46 +0200
From: Edward Tomasz =?utf-8?Q?Napiera=C5=82a?= <trasz@FreeBSD.org>
To: George Mitchell <george+freebsd@m5p.com>
Subject: Re: Not to beat a dead horse, but ...
Message-ID: <20140614105246.GA1657@brick.home>
Mail-Followup-To: George Mitchell <george+freebsd@m5p.com>,
 freebsd-stable@freebsd.org
References: <5394A848.7030609@m5p.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <5394A848.7030609@m5p.com>
User-Agent: Mutt/1.5.23 (2014-03-12)
Cc: freebsd-stable@freebsd.org
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.18
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-stable>,
 <mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable/>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
 <mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 14 Jun 2014 10:52:52 -0000

On 0608T1415, George Mitchell wrote:
> When I run this command on 10-STABLE on a uniprocessor system while
> running the misc/dnetc port:
> 
> cd /usr/src
> time make buildworld && time make buildkernel && time make installkernel
> 
> On revision 266422 with SCHED_ULE, I get (showing the time lines only):
> 
> 7045.988u 897.681s 4:00:33.89 55.0%     29430+492k 27927+17003io 
> 30943pf+519w
> 1155.683u 149.422s 52:49.60 41.1%       25418+410k 7452+20843io 12166pf+248w
> 7.101u 4.838s 8:03.57 2.4%      5905+221k 1179+9461io 1345pf+67w
> 
> On revision 267211 with SCHED_4BSD:
> 
> 6950.087u 665.074s 2:40:36.19 79.0%     29929+502k 33651+17368io 
> 31151pf+151w
> 1148.066u 134.312s 26:40.95 80.1%       26234+426k 9681+24613io 11917pf+106w
> 6.774u 4.369s 0:33.90 32.8%     3110+320k 1388+10979io 1514pf+3w
> 
> Since the majority of my systems are uniprocessors and I like to
> run dnetc, SCHED_ULE has been a dealbreaker for me since day one.
> Consequently I can't use freebsd_update.

Are the results above from kernel built with "options SMP"?  If so,
could you try without it?  Otherwise, can you try with that option?