From owner-freebsd-current@FreeBSD.ORG Sun Sep 16 16:19:17 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 684BB16A418; Sun, 16 Sep 2007 16:19:17 +0000 (UTC) (envelope-from youshi10@u.washington.edu) Received: from mxout4.cac.washington.edu (mxout4.cac.washington.edu [140.142.33.19]) by mx1.freebsd.org (Postfix) with ESMTP id 46A2513C458; Sun, 16 Sep 2007 16:19:17 +0000 (UTC) (envelope-from youshi10@u.washington.edu) Received: from smtp.washington.edu (smtp.washington.edu [140.142.33.7] (may be forged)) by mxout4.cac.washington.edu (8.13.7+UW06.06/8.13.7+UW07.06) with ESMTP id l8GGJ9M6015240 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sun, 16 Sep 2007 09:19:09 -0700 X-Auth-Received: from [192.168.10.45] (c-24-10-12-194.hsd1.ca.comcast.net [24.10.12.194]) (authenticated authid=youshi10) by smtp.washington.edu (8.13.7+UW06.06/8.13.7+UW07.03) with ESMTP id l8GGJ8U9009558 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sun, 16 Sep 2007 09:19:09 -0700 Message-ID: <46ED577B.4020607@u.washington.edu> Date: Sun, 16 Sep 2007 09:19:07 -0700 From: Garrett Cooper User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: Harald Schmalzbauer References: <20070916061932.GA93480@underworld.novel.ru> <20070915234855.G531@10.0.0.1> <200709161359.50560.h.schmalzbauer@omnisec.de> In-Reply-To: <200709161359.50560.h.schmalzbauer@omnisec.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-PMX-Version: 5.3.3.310218, Antispam-Engine: 2.5.2.313940, Antispam-Data: 2007.9.16.90227 X-Uwash-Spam: Gauge=IIIIIII, Probability=7%, Report='ECARD_WORD 0, __CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __HAS_MSGID 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __SANE_MSGID 0, __USER_AGENT 0' Cc: Jeff Roberson , freebsd-current@freebsd.org, Roman Bogorodskiy Subject: Re: SCHED_ULE on desktop system X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 16 Sep 2007 16:19:17 -0000 Harald Schmalzbauer wrote: > Am Sonntag, 16. September 2007 08:49:56 schrieb Jeff Roberson: > >> On Sun, 16 Sep 2007, Roman Bogorodskiy wrote: >> >>> Hello, >>> >>> I'm curious if SCHED_ULE is designed to be used on a desktop system. I'm >>> running -CURRENT at home and tried to use SCHED_ULE for some time. It >>> works alright while the load is not very high. But once I start >>> compiling something (running 'make buildworld' or 'portupgrade -a' for >>> example), the machine comes almost unusable - X11's windows takes a lot >>> of time to redraw, changing virtual desktop in window manager may take >>> a several seconds. And it's nearly impossible to watch some movie with >>> mplayer. >>> >> Roman, >> >> This is contrary to the experiences of many others. Can you send me your >> > > Not in the UP case. > My i386-core2duo with SMP kernel gives _wonderful_ responsiveness, even, with > buildworld -j5, I absolutely don't feel any slowdown! > But when I once accidantially installed a UP kernel,the machine was > very "laggy", I want to say had short "freezes" > > I'm also wondering that inserting a CF card in my card reader stops all io for > a second. HALd is probably the culprit, but why can the system be stopped by > userland? Maybe unrelated to ULE though. > > Thanks 1. Giant lock? 2. Using pthread instead of libthread? -Garrett