From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: RE: rdtsc strangeness on upstream kernel Date: Mon, 19 Jul 2010 17:44:52 -0700 Message-ID: <4C44F184.60707@goop.org> References: <0784c7e7-1e9c-4abd-8e90-837051fe6b8b@default 4C44E123.3030308@goop.org> <441eecef-5758-4c3f-924e-74823b7cb776@default> <681683ff-677b-4709-911e-3d90d7dbed7c@default 4C44EF08.3070103@goop.org> <4b33f24d-e073-411a-acc3-7199a02d7b24@default> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4b33f24d-e073-411a-acc3-7199a02d7b24@default> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Dan Magenheimer Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On 07/19/2010 05:42 PM, Dan Magenheimer wrote: > Yes, CONFIG_XEN_DEBUG_FS is on. I dug up some instrumentation > I used in the hypervisor last fall which should identify the > kernel locations of the rdtsc's. I'll plug that in and > post the results tomorrow. > They're probably all in the same place, so you'll need to get some calling stack to make sense of it. J