WARNING - OLD ARCHIVES

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/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

RE: [Xen-devel] vram_dirty vs. shadow paging dirty tracking

To: "Anthony Liguori" <aliguori@xxxxxxxxxx>, "Zhai, Edwin" <edwin.zhai@xxxxxxxxx>
Subject: RE: [Xen-devel] vram_dirty vs. shadow paging dirty tracking
From: "Dong, Eddie" <eddie.dong@xxxxxxxxx>
Date: Thu, 15 Mar 2007 11:22:53 +0800
Cc: Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Wed, 14 Mar 2007 20:22:10 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <45F81C11.1020404@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/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcdmUvFXBaOfAcqkTc63Kt/CF/kZdwAXHQ0A
Thread-topic: [Xen-devel] vram_dirty vs. shadow paging dirty tracking
> 
> Compared to what, just updating the full screen 30 times a second?  I
> suspect that's not as bad as it sounds since SDL will be using a
> XShmImage. 
> 
It depends on how you run the benchmark. In case of multiple VMs case
where multiple Qemus (say 8) are running, this kind of comparation eat
unacceptable cpu cycles.
Eddie

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel