From owner-freebsd-current@FreeBSD.ORG Fri Jan 27 18:54:30 2006 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E516816A420; Fri, 27 Jan 2006 18:54:30 +0000 (GMT) (envelope-from frank@exit.com) Received: from tinker.exit.com (tinker.exit.com [206.223.0.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3C4B943D53; Fri, 27 Jan 2006 18:54:25 +0000 (GMT) (envelope-from frank@exit.com) Received: from realtime.exit.com (realtime [206.223.0.5]) by tinker.exit.com (8.13.4/8.13.4) with ESMTP id k0RIsMdP065621; Fri, 27 Jan 2006 10:54:22 -0800 (PST) (envelope-from frank@exit.com) Received: from realtime.exit.com (localhost [127.0.0.1]) by realtime.exit.com (8.13.4/8.13.4) with ESMTP id k0RIsKNu056808; Fri, 27 Jan 2006 10:54:20 -0800 (PST) (envelope-from frank@exit.com) Received: (from frank@localhost) by realtime.exit.com (8.13.4/8.13.4/Submit) id k0RIsKnC056807; Fri, 27 Jan 2006 10:54:20 -0800 (PST) (envelope-from frank@exit.com) X-Authentication-Warning: realtime.exit.com: frank set sender to frank@exit.com using -f From: Frank Mayhar To: "Mullen, Adam" In-Reply-To: References: Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: Exit Consulting Date: Fri, 27 Jan 2006 10:54:19 -0800 Message-Id: <1138388059.56322.9.camel@realtime.exit.com> Mime-Version: 1.0 X-Mailer: Evolution 2.4.1 FreeBSD GNOME Team Port X-Virus-Scanned: ClamAV 0.87.1/1253/Fri Jan 27 02:10:20 2006 on tinker.exit.com X-Virus-Status: Clean Cc: Mike Jakubik , Garance A Drosihn , current@freebsd.org, arch@freebsd.org Subject: RE: [TEST/REVIEW] CPU accounting patches X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: frank@exit.com List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Jan 2006 18:54:31 -0000 On Fri, 2006-01-27 at 12:39 -0600, Mullen, Adam wrote: > Lets see here though, how many of us have a 100 node beowulf cluster who > use FreeBSD daily? I know I don't! I've been following this > conversation and my 2 cents are this, taking into consideration cpu time > accounting for machines that use power management is trivial. I view > those that use power management are a lot less likely to be in an > environment where they are either A) billing for utility computing, B) > care about 99.9999% accurate cpu time accounting, C) have a need for > this precision. My thought is that a blurb be submitted with this patch > specifying the caveats if powersaved is also used. Just my humble > opinion. Hey, you don't have to run a 100-node Beowulf cluster to benefit from this. It would be nice if my systems in my home office would throttle down when they're relatively idle; that might defray some of the several-hundred-dollar electric bill I pay monthly, and during the summer it might even keep the room cooler. -- Frank Mayhar frank@exit.com http://www.exit.com/ Exit Consulting http://www.gpsclock.com/ http://www.exit.com/blog/frank/