From owner-freebsd-stable@FreeBSD.ORG Fri Feb 18 00:40:59 2005 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4DBB716A4CE for ; Fri, 18 Feb 2005 00:40:59 +0000 (GMT) Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.201]) by mx1.FreeBSD.org (Postfix) with ESMTP id BBCDE43D2D for ; Fri, 18 Feb 2005 00:40:58 +0000 (GMT) (envelope-from jcapote@gmail.com) Received: by wproxy.gmail.com with SMTP id 69so356613wra for ; Thu, 17 Feb 2005 16:40:58 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:subject:from:to:cc:in-reply-to:references:content-type:date:message-id:mime-version:x-mailer:content-transfer-encoding; b=eoo6uhEzBCmJke2SlUIl90vr+1aEx1cQRPhHOkrX7dSChRxTYcc7fT9JDMffzeldMsfz8mE25kz7bhzbnvhumebMmscCVMp1mn4bJKezDqprRqAgPxKwnqWzoOF438/RI03c++yoWAenOYxSrfuVv92bfRNM5KCliEZfr60pwjI= Received: by 10.54.13.69 with SMTP id 69mr179913wrm; Thu, 17 Feb 2005 16:40:58 -0800 (PST) Received: from localhost.localdomain ([65.10.2.203]) by smtp.gmail.com with ESMTP id 65sm63054wra.2005.02.17.16.40.57; Thu, 17 Feb 2005 16:40:58 -0800 (PST) From: Julio Capote To: Kris Kennaway In-Reply-To: <20050217233559.GA19140@xor.obsecurity.org> References: <1108671177.17247.6.camel@hatter.wonderland.dn> <20050217233559.GA19140@xor.obsecurity.org> Content-Type: text/plain Date: Thu, 17 Feb 2005 19:44:02 -0500 Message-Id: <1108687442.18836.2.camel@hatter.wonderland.dn> Mime-Version: 1.0 X-Mailer: Evolution 2.0.3 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit cc: stable@freebsd.org Subject: Re: Brief window moving delay after idle.. X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Feb 2005 00:40:59 -0000 On Thu, 2005-02-17 at 15:35 -0800, Kris Kennaway wrote: > On Thu, Feb 17, 2005 at 03:12:57PM -0500, Julio Capote wrote: > > I've been on RELENG_5 for about 1 week now running ULE with PREEMPT. > > Recently, I noticed some strange behavior that could be related to > > scheduling; usually I leave my computer on all night (doing nothing as I > > sleep), But when I'd wake up, and drag a window around, it seems this > > sudden rush of input catches the scheduler by surprise and everything is > > really slow for about 5 seconds. Its a peculiar type of "slow" since > > everything moves smoothly, just 1-2 seconds behind, theres no stuttering > > at all. Gkrellm shows my cpu usage to peak for the time its really slow, > > and then drop to normal when everything "pops" back into speed. I guess > > the best way to describe it would be "bullet time" on your desktop. > > It's probably just paging stuff back in after having paged it out > overnight to run something like the nightly cron jobs. > > Kris I doubt it, since the disks are perfectly silent, and the computer appears to be nothing at all. It would be interesting to track down as to what the scheduler is doing during this time (schedgraph?). Im running a stock xfce4.2.0 if that matters any. Julio