From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: High cpu load for events/0 on dom0 Date: Tue, 12 Oct 2010 11:35:40 -0700 Message-ID: <4CB4AA7C.8050003@goop.org> References: <1498307836.20101011100236@eikelenboom.it> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1498307836.20101011100236@eikelenboom.it> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Sander Eikelenboom Cc: "xen-devel@lists.xensource.com" , Konrad Rzeszutek Wilk List-Id: xen-devel@lists.xenproject.org On 10/11/2010 01:02 AM, Sander Eikelenboom wrote: > Hi Jeremy, > > I saw a thread ( http://140.211.166.79/mailarchive/linux-kernel/2010/9/27/4625011/thread ) about events/0 on dom0 giving a high cpuload related to xenconsoled and tty. It isn't really a high cpu load, just a lot of wakeups. It amounts to ~1% CPU use. > I'm experiencing the same, is there all ready a fix for this problem ? No. > Perhaps there could also be a relation to my freezes which seem te happen on CPU0 according to the RCU cpu stall ? No. J