Re: [Autotest] [KVM-autotest][RFC] 32/32 PAE bit guest system definition

[Dor Laor <dlaor@redhat.com>]

On 12/15/2009 09:04 PM, Lucas Meneghel Rodrigues wrote:
> On Fri, Dec 11, 2009 at 2:34 PM, Jiri Zupka<jzupka@redhat.com>  wrote:
>> Hello,
>>   we write KSM_overcommit test. If we calculate memory for guest we need to know
>> which architecture is Guest. If it is a 32b or 32b with PAE or 64b system.
>> Because with a 32b guest we can allocate only 3100M +-.
>>
>> Currently we use the name of disk's image file. Image file name ends with 64 or 32.
>> Is there way how we can detect if guest machine run with PAE etc.. ?
>> Do you think that kvm_autotest can define parameter in kvm_tests.cfg which
>> configure determine if is guest 32b or 32b with PAE or 64b.
>
> Hi Jiri, sorry for taking long to answer you, I am reviewing the
> overcommit test.
>
> About your question, I'd combine your approach of picking if host is
> 32/64 bit from the image name with looking on /cat/cpuinfo for PAE
> support.

We might keep in KISS for the time being since 99% hosts installation 
are 64 bit only and many times only the guest can turn on PAE to 
practically use it.

So I'll go with naming only.


> Let's go with this approach for the final version of the test, OK?
>
> Thanks and congrats for the test, it's a great piece of work! More
> comments soon,
>