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Re: [Xen-devel] performance tools on xen

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] performance tools on xen
From: Dante Cinco <dantecinco@xxxxxxxxx>
Date: Mon, 2 Nov 2009 09:56:35 -0800
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Santos, Jose Renato G" <joserenato.santos@xxxxxx>
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I searched Mark Mail for "xenoprof pvops" and found this email from dulloor:


Do you know if dulloor's patches for xenoprof for linux pvops got applied?


On Fri, Oct 30, 2009 at 7:30 AM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
On 10/29/09 19:36, Santos, Jose Renato G wrote:
> Dante,
> To run OProfile in Xen you need support in the kernel and in the
> OProfile user level tools.
> The user level patches were never merged on mainline OProfile. You
> need to apply a patch to the OProfile sources before compiling them. I
> did not have time to port the patch to OProfile 0.9.5 yet, so the
> latest available patch is for Oprofile 0.9.3. You can download that
> from http://xenoprof.sourceforge.net/.
> Regarding the kernel I am not sure if the OProfile extensions for Xen
> were already merged in the pvops kernel. You will need to ask that to
> Jeremy. I know that OProfile works with the 2.6.18-xen and the XCI
> 2.6.27-xen versions. I have never tried running the pvops kernel yet.

I have not looked at Xen+Oprofile, so there's no support in the pvops
kernel as yet.  If someone who's familiar with that stuff could generate
a patch, I'd be happy to include it.


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