From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Ahern" Subject: Re: [patch 0/3] fix PIT injection Date: Sun, 27 Jul 2008 22:31:31 -0600 Message-ID: <488D4BA3.6050308@cisco.com> References: <20080726200058.559700262@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Avi Kivity , Sheng Yang , kvm To: Marcelo Tosatti Return-path: Received: from sj-iport-6.cisco.com ([171.71.176.117]:38628 "EHLO sj-iport-6.cisco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751325AbYG1Ebf (ORCPT ); Mon, 28 Jul 2008 00:31:35 -0400 In-Reply-To: <20080726200058.559700262@localhost.localdomain> Sender: kvm-owner@vger.kernel.org List-ID: Hi Marcelo: With kvm-72 + this patch set, timekeeping in RHEL3, RHEL4 and RHEL5 guests with 2 vcpus is much better. Approaching 5 hours of uptime and all 3 guests are within 2 seconds of the host (part of the delta measurement based). I'll let all 3 run overnight and then turn on ntp tomorrow. Thanks for working on this, david Marcelo Tosatti wrote: > The in-kernel PIT emulation can either inject too many or too few > interrupts. >