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

On 07/10/2009 09:08, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote:

> Are there any other of these heuristics tucked away in xen? Would there
> be any benefit to specifying the OS being virtualised in the config? Eg
> "os=windows"?

There aren't really any others. The timer_mode config is along the same
lines I suppose, in that you would set it depending on guest kernel time
handling behaviour. In the specific case of shadow-code heuristics, however,
auto-detecting the OS type by methods such as try-previous-successful-first
would be the sensible way to go.

 -- Keir

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