From mboxrd@z Thu Jan 1 00:00:00 1970 From: Emmanuel Ackaouy Subject: Re: [Q] about Credit Scheduler Dom0 Scheduling policy. Date: Wed, 18 Oct 2006 14:24:10 +0100 Message-ID: <20061018132410.GA5372@cockermouth.uk.xensource.com> References: <200610181150.k9IBoP8W031962@fjmscan502.ms.jp.fujitsu.com> <20061018131115.GA5327@cockermouth.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20061018131115.GA5327@cockermouth.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Atsushi SAKAI , xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Wed, Oct 18, 2006 at 02:11:15PM +0100, Emmanuel Ackaouy wrote: > If dom0 isn't preempting, in theory that is for one of > two reasons: > 1- It's consumed its fair share of CPU already. > 2- It's been inactive for a while. I should add that if (1), then increasing the weight of dom0 should solve the problem. Try doubling it. If (2), then I'd like to see the xentrace output for a few seconds worth of running your workload.