From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [question] lots of interrupts injected to vm when pressing somekey w/o releasing Date: Tue, 25 Nov 2014 08:02:45 +0100 Message-ID: <54742995.7010209@redhat.com> References: <201411201020560455720@sangfor.com>, <201411242017440822890@sangfor.com>, <547323A7.8050104@redhat.com> <201411250953587250205@sangfor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=gbk Content-Transfer-Encoding: 7bit Cc: Alex Williamson , "Zhang, Yang Z" , "Michael S.Tsirkin" , Gleb Natapov To: Zhang Haoyu , kvm Return-path: Received: from mail-wi0-f178.google.com ([209.85.212.178]:52299 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750770AbaKYHCu (ORCPT ); Tue, 25 Nov 2014 02:02:50 -0500 Received: by mail-wi0-f178.google.com with SMTP id hi2so342381wib.11 for ; Mon, 24 Nov 2014 23:02:49 -0800 (PST) In-Reply-To: <201411250953587250205@sangfor.com> Sender: kvm-owner@vger.kernel.org List-ID: On 25/11/2014 02:54, Zhang Haoyu wrote: > I tested win-server-2008 with "-cpu core2duo,hv_spinlocks=0xffff,hv_relaxed,hv_time", > this problem still happened, about 200,000 vmexits per-second, > bringing very bad experience, just like being stuck. Please upload a full trace somewhere, or at least the "perf report" output. Paolo