From owner-freebsd-performance@FreeBSD.ORG Fri Oct 26 02:25:09 2007 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 67AE216A421 for ; Fri, 26 Oct 2007 02:25:09 +0000 (UTC) (envelope-from josh.carroll@gmail.com) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.182]) by mx1.freebsd.org (Postfix) with ESMTP id 19CD813C4A8 for ; Fri, 26 Oct 2007 02:25:08 +0000 (UTC) (envelope-from josh.carroll@gmail.com) Received: by py-out-1112.google.com with SMTP id u77so1171363pyb for ; Thu, 25 Oct 2007 19:25:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=pKyc60qp+/l+1sdcJHnvQQqpei9GFV2DQht/1wK0ca4=; b=rRB3GM7sTCXD+8cwsM+/+A3Y5URf3OAc0riyMf8qSxEeDrbsoAUqvWcDp/HTLaQz1SPLFwQLQHtyWlS4ZuwFbRBMKFqhUAj3IbdLeRIu14av/MshtbbgD3wGNauLlNWDCY4RzZdgkm2PnOBRhLfqHUi4n4MDtn1KyMlWAft829Y= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=SljTh5n7K4WIJj47XUiBb/qNc3aNe/MztYgmJ8J6JsMb/ZF2j6AHXWK9WIxs8basQY4R+Oq7fA1FLojQeBtLR6EXHh1ME9ynnGLdUg8FlF46ndm2Gxb5lmyYQwn/MNyFgzc2M3ORpTVtWRw/7qGokLvnZ0qBtQq3EFO1PJDAcxQ= Received: by 10.35.121.12 with SMTP id y12mr2829281pym.1193365508209; Thu, 25 Oct 2007 19:25:08 -0700 (PDT) Received: by 10.35.117.12 with HTTP; Thu, 25 Oct 2007 19:25:08 -0700 (PDT) Message-ID: <8cb6106e0710251925s2db0117cvcb67321b08d7b2a1@mail.gmail.com> Date: Thu, 25 Oct 2007 22:25:08 -0400 From: "Josh Carroll" To: "Jeff Roberson" In-Reply-To: <20071024133240.X598@10.0.0.1> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <8cb6106e0710230902x4edf2c8eu2d912d5de1f5d4a2@mail.gmail.com> <20071024111105.M598@10.0.0.1> <8cb6106e0710241229i12852d8cq436f4c955ac62c56@mail.gmail.com> <20071024133240.X598@10.0.0.1> Cc: freebsd-performance@freebsd.org Subject: Re: ULE vs. 4BSD in RELENG_7 X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: josh.carroll@gmail.com List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Oct 2007 02:25:09 -0000 > I'm confident that we can improve things. It will probably not make the > cut for 7.0 since it will be too disruptive. I'm sure it can be > backported before 7.1 when ULE is likely to become the default. That sounds great! I figured it was something that would have to wait until 7.0 released. I completely understand that. > I hope that we can continue to work together to verify any fixes I may > come up with. Absolutely! Just let me know how I can help. If you need a guinea pig...er...tester :) I'll be glad to help! Another thing I noticed between ULE and 4BSD is my core temperatures seem erratic on ULE. I use RRDtool with the new coretemp(4) feature and noticed the temperatures are spiking a lot with ULE, and generally slightly higher than when running a 4BSD kernel. I don't know if that's significant or not. Just something I noticed when I modified my RRD scripts to use coretemp. For a side-by-side comparison, see this page: http://pflog.net/~floyd/fbsd_sched.html Thanks again for all your help! Please let me know if/when I can do anything else to help out. Regards, Josh