From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1IxRmf-0006sU-Of for user-mode-linux-devel@lists.sourceforge.net; Wed, 28 Nov 2007 10:37:18 -0800 Received: from mx3.mail.elte.hu ([157.181.1.138]) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1IxRme-0006hy-6v for user-mode-linux-devel@lists.sourceforge.net; Wed, 28 Nov 2007 10:37:17 -0800 Date: Wed, 28 Nov 2007 19:37:06 +0100 From: Ingo Molnar Message-ID: <20071128183706.GA3826@elte.hu> References: <20071128150637.GA5518@c2.user-mode-linux.org> <20071128182935.GA8048@c2.user-mode-linux.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20071128182935.GA8048@c2.user-mode-linux.org> Subject: Re: [uml-devel] -rt doesn't compile for UML List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-bounces@lists.sourceforge.net Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: Jeff Dike Cc: linux-kernel@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net, Miklos Szeredi * Jeff Dike wrote: > On Wed, Nov 28, 2007 at 04:35:12PM +0100, Miklos Szeredi wrote: > > Something like: > > > > dd if=/host/tmp/bigfile of=/tmp/bigfile bs=1048576 count=100 > > > > and run 'top' or 'watch something' in another terminal, which > > sometimes completely stops updating during the write. > > Are you talking about missing updates for a few seconds, or for > longer? With the common above, with top -delay 1, and with 600M of > data, I'm seeing occasional 2-3 pauses, with one missing 5 seconds. even sub-second delays are a huge issue if the system is otherwise idle - it signals some sort of missed event condition. scheduling must be instantenous. Ingo ------------------------------------------------------------------------- SF.Net email is sponsored by: The Future of Linux Business White Paper from Novell. From the desktop to the data center, Linux is going mainstream. Let it simplify your IT future. http://altfarm.mediaplex.com/ad/ck/8857-50307-18918-4 _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel