Re: [Qemu-devel] [PATCH] Add definitions for current cpu models..

[Daniel P. Berrange]

On Wed, Jan 20, 2010 at 03:09:53PM -0500, john cooper wrote:
> Anthony Liguori wrote:
> > On 01/19/2010 02:03 PM, Chris Wright wrote:
> >> * Anthony Liguori (address@hidden) wrote:
> >>   
> >>> I'm very much against having -cpu Nehalem.  The whole point of this is
> >>> to make things easier for a user and for most of the users I've
> >>> encountered, -cpu Nehalem is just as obscure as -cpu
> >>> qemu64,-sse3,+vmx,...
> >>>      
> >> What name will these users know?  FWIW, it makes sense to me as it is.
> >>    
> > 
> > Whatever is in /proc/cpuinfo.
> 
>     $ grep name /proc/cpuinfo
>     model name  : Intel(R) Core(TM)2 Duo CPU     E8400  @ 3.00GHz
> 
> Which is detailing that exact cpu vs. the class
> of which it is a member.  So are you suggesting
> to map all instances of processors called out
> in /proc/cpuinfo into one of the three defined
> models?  We can certainly do that however I was
> looking for a more terse and simplified solution
> at this level while deferring more ornate mapping
> schemes to management tools.
> 
> Still at the user facing CLI this doesn't strike
> me as the most friendly encoding of a -cpu <name>.  

To be honest all possible naming schemes for '-cpu <name>' are just as
unfriendly as each other. The only user friendly option is '-cpu host'. 

IMHO, we should just pick a concise naming scheme & document it. Given
they are all equally unfriendly, the one that has consistency with vmware
naming seems like a mild winner.

Daniel
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