From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Cure Subject: Re: performance trouble Date: Thu, 16 Feb 2012 10:10:08 +0100 Message-ID: <20120216091008.GY26955@nfs-rbx.ovh.net> References: <201201301020.35161.iggy@theiggy.com> <20120130165140.GJ26955@nfs-rbx.ovh.net> <4F26D190.4040207@redhat.com> <20120131171552.GL26955@nfs-rbx.ovh.net> <4F282315.30001@redhat.com> <20120202104148.GN26955@nfs-rbx.ovh.net> <20120203085944.GO26955@nfs-rbx.ovh.net> <4F2E4E1A.5000700@redhat.com> <20120210100930.GW26955@nfs-rbx.ovh.net> <4F3A6260.7050208@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: Avi Kivity , Vadim Rozenfeld Return-path: Received: from gandalf.cure.nom.fr ([91.121.137.146]:45893 "EHLO gandalf.cure.nom.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932155Ab2BPJKN (ORCPT ); Thu, 16 Feb 2012 04:10:13 -0500 Content-Disposition: inline In-Reply-To: <604d1e5b-7aaa-4b3f-ae6f-0400e13bb47b@zmail09.collab.prod.int.phx2.redhat.com> <4F3A6260.7050208@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Le Tue, Feb 14, 2012 at 03:32:16PM +0200, Avi Kivity ecrivait : > > It's reading the HPET like crazy. There are also tons of interrupts. > Please use the windows performance tools to see which devices trigger > these interrupts. > > The HPET issue will be fixed by the hyper-V enlightenments, but these > will take some time to cook. as you can see, I try -no-hpet and doesn't solve the issue, so perhaps not related to it. Le Tue, Feb 14, 2012 at 08:48:56AM -0500, Vadim Rozenfeld ecrivait : > > [VR] > +1 > Try Microsoft Windows Performance Toolkit from Windows SDK > http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=3138 > It's really good. I download and install it. Let you know what we can see. Thanks, David.