This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


[Xen-devel] Re: time accounting problem in pvops kernel

To: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Subject: [Xen-devel] Re: time accounting problem in pvops kernel
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Wed, 18 Aug 2010 09:06:49 -0700
Cc: Glauber Costa <glommer@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Wed, 18 Aug 2010 09:18:25 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <4C6BEAE8.3010104@xxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <4C6AC705.1080904@xxxxxxxxxx> <4C6B1276.9060203@xxxxxxxx> <4C6B9088.5040203@xxxxxxxxxx> <4C6BEAE8.3010104@xxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100720 Fedora/3.1.1-1.fc13 Lightning/1.0b2pre Thunderbird/3.1.1
 On 08/18/2010 07:15 AM, Paolo Bonzini wrote:
> On 08/18/2010 09:49 AM, Paolo Bonzini wrote:
>>> Upstream and stable kernels contain the changeset "xen:
>>> drop xen_sched_clock in favour of using plain wallclock time" which
>>> should fix a lot of timekeeping/scheduling problems.
>> I'll try this patch; however, offhand I don't see how it fixes the
>> problem of calling account_idle_ticks twice.
> It doesn't. :)

OK.  To be honest, I didn't look at the detail of your report.  I just
wanted to make sure it wasn't something we'd already addressed.


Xen-devel mailing list