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

To: "Langsdorf, Mark" <mark.langsdorf@xxxxxxx>

Date: Thu, 2 Jul 2009 00:38:24 -0700

Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, "<xen-devel@xxxxxxxxxxxxxxxxxxx>" <xen-devel@xxxxxxxxxxxxxxxxxxx>

Delivery-date: Thu, 02 Jul 2009 00:39:07 -0700

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I have tested on multiple Intel platforms. I didn't see this issue. I

don't have an AMD.

Jeremy, I am away this week. I will give you access to my git repo by

mid next week.

-dulloor

On Jul 1, 2009, at 9:46 AM, "Langsdorf, Mark" <mark.langsdorf@xxxxxxx>

wrote:

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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