Re: Hypervisor detection from within a Linux VM

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On Tue, Jun 29, 2010 at 5:44 PM, Anthony Liguori <anthony@xxxxxxxxxxxxx> wrote:
> On 06/29/2010 04:25 PM, Chetan Loke wrote:
> It can be done entirely in userspace.  Take a look at virt-what:
>
> http://people.redhat.com/~rjones/virt-what/
>

Just posted a patch for virt-what.in which can be used as a wrapper
script. I will be using that for now.

>> Question:
>> Q1)Is it possible to get this functionality as part of the stock
>> kernel or is that a bad idea? I suspect there could be other
>> users/apps who would need to know what *nix hypervisor(or a
>> non-virtualized environment) they are
>> running on?
>
> It might be reasonable to list the hypervisor signature as a field in
> /proc/cpuinfo.  There's also a /sys/hypervisor where such information could
> go.
>

I like the idea of spitting out a signature under /proc/cpuinfo
primarily because everyone is familiar with that node.

> Regards,
> Anthony Liguori

Regards
Chetan Loke
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