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RE: [Xen-devel] Re: xenoprof on linux pvops

To: "Jeremy Fitzhardinge" <jeremy@xxxxxxxx>, "Dulloor" <dulloor@xxxxxxxxx>
Subject: RE: [Xen-devel] Re: xenoprof on linux pvops
From: "Langsdorf, Mark" <mark.langsdorf@xxxxxxx>
Date: Wed, 1 Jul 2009 11:46:48 -0500
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Thread-index: Acn5HLdmmrgSDayHQlW8FYYRrzQ09QBTnf6g
Thread-topic: [Xen-devel] Re: xenoprof on linux pvops
> On 06/29/09 16:10, Dulloor wrote:
> > I have ported xenoprof to linux-pvops.
> >
> > - All the changes/clean-ups are limited to linux modules 
> (except a xen
> > interface for kernel space mappings).
> > - Calls are switched to xen by checking for xen_initial_domain. Is
> > there a better way of handling such modules with pvops ?

On my AMD system, I'm seeing warning from xen_apic_write
coming from perf_counters_lapic_init().  Do your patches
resolve the issue?

-Mark Langsdorf
Operating System Research Center
AMD


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