From owner-freebsd-hackers@FreeBSD.ORG Fri Jul 21 18:57:02 2006 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 71DDF16A4E9; Fri, 21 Jul 2006 18:57:02 +0000 (UTC) (envelope-from GMcCaughan@synaptics-uk.com) Received: from mx2.synaptics-uk.com (mx2.synaptics-uk.com [194.203.111.209]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3959943D7C; Fri, 21 Jul 2006 18:56:57 +0000 (GMT) (envelope-from GMcCaughan@synaptics-uk.com) Received: from firewall.synaptics-uk.com ([194.203.111.212] helo=ukexchange2k.synaptics-inc.local) by mx2.synaptics-uk.com with esmtp (Exim 4.62) (envelope-from ) id 1G40BE-00007w-35; Fri, 21 Jul 2006 19:56:56 +0100 Received: from lists.synaptics-uk.com ([172.20.11.6]) by ukexchange2k.synaptics-inc.local with Microsoft SMTPSVC(5.0.2195.6713); Fri, 21 Jul 2006 19:56:50 +0100 Received: from [172.20.11.5] (unknown [172.20.11.5]) by lists.synaptics-uk.com (Postfix) with ESMTP id 0554317030; Fri, 21 Jul 2006 19:37:16 +0100 (BST) From: Gareth McCaughan To: freebsd-hackers@freebsd.org Date: Fri, 21 Jul 2006 19:56:50 +0100 User-Agent: KMail/1.9.1 References: <200607181317.33416.gmccaughan@synaptics-uk.com> <200607211507.02139.gmccaughan@synaptics-uk.com> <200607211137.58230.jhb@freebsd.org> In-Reply-To: <200607211137.58230.jhb@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-6" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200607211956.50518.gmccaughan@synaptics-uk.com> X-OriginalArrivalTime: 21 Jul 2006 18:56:51.0042 (UTC) FILETIME=[6CE40420:01C6ACF7] X-Mailman-Approved-At: Fri, 21 Jul 2006 21:55:15 +0000 Cc: Subject: Re: "swiN: clock sio" process taking 75% CPU X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Jul 2006 18:57:02 -0000 On Friday 2006-07-21 16:37, John Baldwin wrote: > On Friday 21 July 2006 10:07, Gareth McCaughan wrote: ... > > OK, so here's what's happening. ... > > Suggestions: ... > > If any of these is thought a good idea, I can provide a patch. > > Either 1 or 2 sounds like a good idea to me. I think perhaps I > slightly favor 2, but not by much. 1 would probably be simpler. I've just sent a PR, category "kern", subject something like "syscons screen savers can use up to 75% CPU", with a patch attached taking approach #2. -- g