From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gianluca Guida <gianluca.guida@eu.citrix.com>
Subject: Re: [RFC][Patches] Xen 1GB Page Table Support
Date: Fri, 20 Mar 2009 18:16:31 +0000
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To: George Dunlap <George.Dunlap@eu.citrix.com>
Cc: Dan Magenheimer <dan.magenheimer@oracle.com>, "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>, Tim Deegan <Tim.Deegan@eu.citrix.com>, Gianluca Guida <glguida@gmail.com>, Wei Huang <wei.huang2@amd.com>, Keir Fraser <Keir.Fraser@eu.citrix.com>
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Gianluca Guida wrote:
> George Dunlap wrote:

>> It might be nice to have some quick "sanity check" benchmarks, just to 
>> make sure that adding the 1G pages won't hurt performance for the normal 
>> case...
> 
> Might do it, but I don't think it's necessary.

What I meant here is: checking that shadow performance hasn't decreased 
shouldn't be necessary. It should be still worth, though, if we'd get 
the kind of improvements this patch has on HAP.

Any numbers?

Gianluca