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List:       centos-virt
Subject:    [CentOS-virt] How does KVM handle multiple cores?
From:       taglang () lifebiosystems ! com (Guillaume Taglang)
Date:       2010-11-22 14:04:54
Message-ID: 4CEA7886.2060109 () lifebiosystems ! com
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MargoAndTodd wrote:
> My big concern here is that if I tell it 4 cores on my customer's
> x5650 (6 hardware cores), I will actually get 4 hyperthreaded cores
> for a total of 2 actual cores.

It's how it works, think of kvm as an application. If you tell that it 
should use 4 core it's like if you tell it to use 4 processes or 
threads. The host operating system will decide which processor core or 
thread to use ...

Cheers,
G

-- 
Guillaume Taglang
Director IT
LIFE Biosystems
phone:  +49 6221 438 5367
mobile: +49 176 19 18 17 99
fax:    +49 6221 4859521
email:  guillaume.taglang at lifebiosystems.com
web:    http://lifebiosystems.com
mail:   Poststrasse 34 - 69115 Heidelberg - Germany
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LIFE Biosystems GmbH
Gesch?ftsf?hrer: Dr. Stephan Brock
                  Dr. Hartmut Voss
                  Dr. Friedrich von Bohlen und Halbach
Sitz der Gesellschaft: Heidelberg
Handelsregister: Amtsgericht Mannheim - HRB 338037
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