From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: strange guest slowness after some time Date: Wed, 18 Mar 2009 08:36:45 +0200 Message-ID: <49C0967D.2070203@redhat.com> References: <49B29705.6000904@wpkg.org> <49B4E7A6.3090601@redhat.com> <49B4EDC9.9020504@wpkg.org> <49B4EE8F.7050001@redhat.com> <49BD007C.9030809@wpkg.org> <49BF7FB6.9080503@wpkg.org> <49BF8686.5050707@redhat.com> <49BF88BE.7040805@wpkg.org> <49BFC276.1080600@gmx.net> <49BFC53D.3020809@wpkg.org> <49BFD752.9050706@gmx.net> <49BFD84C.5010704@redhat.com> <49BFF0CF.60904@gmx.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Tomasz Chmielewski , kvm@vger.kernel.org To: Felix Leimbach Return-path: Received: from mx1.redhat.com ([66.187.233.31]:43916 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755394AbZCRGgK (ORCPT ); Wed, 18 Mar 2009 02:36:10 -0400 In-Reply-To: <49BFF0CF.60904@gmx.net> Sender: kvm-owner@vger.kernel.org List-ID: Felix Leimbach wrote: > Avi Kivity wrote: >> Does idle=poll help things? It can cause tsc breakage similar to >> cpufreq. > On the host, right? Can't test that as I cannot reboot the server. > Is tsc breakage still s.th. to watch out after I've upgraded to the > Shanghai quadcores? No, should be gone. Will you have the old server around so we can test things? -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.