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Re: [Xen-devel] Poor HVM performance with 8 vcpus

  • To: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
  • From: Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
  • Date: Thu, 08 Oct 2009 07:00:37 +0200
  • Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Wed, 07 Oct 2009 22:01:12 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

George Dunlap wrote:
> Juergen Gross wrote:
>> Uh, this is binary data, isn't it?
>> I could imagine this is possible by using some kind of format
>> description file
>> specific to the producing xen version which is generated during
>> hypervisor
>> build.
>> But this would require quite a bit of work...
> And you'd still need to make code changes for different features based
> on whether a given bit of data was in the format file or not.  Not to
> mention that we already have a sort-of description file
> (xenformat_formats) file that doesn't get updated when traces change...
> (although I'm definitely an offender there).

This cries for usage of XML ;-)

> Regarding your trace file... can you send me the file you're having
> trouble with?

590 MB per mail isn't a good idea...
Do you have a server where I could upload it?


Juergen Gross                 Principal Developer Operating Systems
TSP ES&S SWE OS6                       Telephone: +49 (0) 89 636 47950
Fujitsu Technolgy Solutions               e-mail: juergen.gross@xxxxxxxxxxxxxx
Otto-Hahn-Ring 6                        Internet: ts.fujitsu.com
D-81739 Muenchen                 Company details: ts.fujitsu.com/imprint.html

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