Re: kvm-50 working with smp

[Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>]

Farkas Levente wrote:
> Avi Kivity wrote:
>   
>> Farkas Levente wrote:
>>     
>>> hi,
>>> it seems the latest kvm-50 working with smp both with 32 and 64 bit
>>> centos-5 are now running (ie not crash), what's more it's even working
>>> if i trun back (ie on) acpi. but it seems much more slower with 2 guests
>>> 4 vcpu then kvm-36 with 2 guests single cpu. is so much slower then it
>>> can be recognized even just http response or anything else:-(
>>> another problem the windows xp guest eat 100% all the time.
>>>
>>>   
>>>       
>> Without FlexPriority (or tpr patching) Windows SMP is very slow.  It
>> shouldn't take 100% cpu though.  If this is immediately after boot, wait
>> a couple of minutes to let Windows load all its services.
>>     
>
> but not just the windows are slow even all linux centos-5 32 and 64 bit
> version are _very_ slow much more slower than kvm-46 even the user
> experience is a few times slower the with kvm-46 with single cpu!
>
>   

That shouldn't happen.  Which kvm version introduced the problem 
(anything between -46 and -50)?  Did you change anything other than kvm?

-- 
Any sufficiently difficult bug is indistinguishable from a feature.


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