From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: [PATCH 5/5] KVM: paravirt time source Date: Mon, 18 Jun 2007 18:33:19 -0500 Message-ID: <4677163F.2030308@codemonkey.ws> References: <4675F462.1010708@codemonkey.ws> <4675F601.3090706@codemonkey.ws> <4676D8E4.3020806@goop.org> <4676FEB9.6060308@codemonkey.ws> <46770162.6030101@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <46770162.6030101-TSDbQ3PG+2Y@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Jeremy Fitzhardinge Cc: kvm-devel , virtualization List-Id: virtualization@lists.linuxfoundation.org Jeremy Fitzhardinge wrote: > Anthony Liguori wrote: > >> Okay. I may remove this patch from the patch series and attempt to >> sit down next week and work out something more complete that also >> implements stolen time accounting. >> > > Well, that's a separate problem. clocksource.read should always return > real time passed, so stolen time doesn't come into it. Right. > > paravirt_ops.sched_clock should take stolen time into account, but > that's almost completely orthogonal. > Except that I wanted to change the hypercall to allow querying of real time or "available" time as VMI puts it. > How are you doing clockevents? > Right now, I'm relying on the PIT but it would be nice to eliminate that. I'd like to move to something PV so that I can make use of tickless guest kernels. I'm very open to suggestion and even more open to reusing other people's code :-) Regards, Anthony Liguori > J > > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/