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Re: [Xen-users] CPU Question

from [Emmanuel Ackaouy]

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To:	DIEDERIT@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
Subject:	Re: [Xen-users] CPU Question
From:	Emmanuel Ackaouy <ack@xxxxxxxxxxxxx>
Date:	Tue, 24 Jan 2006 10:33:49 +0000
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On Tue, Jan 24, 2006 at 11:03:23AM +0100, DIEDERIT@xxxxxxxxxxxxxxxxxxxxxxxxxxxx 
wrote:
>    Hey @ all...
> 
>    I'm running my guest machine with 2 vcpu.
> 
>    [root@ingcsmdb02 ~]# xm vcpu-list
>    Name                              ID  VCPU  CPU  State  Time(s)  CPU
>    Affinity
>    Domain-0                           0     0    0   r--    5368.1  any cpu
>    Domain-0                           0     1    -   --p       0.0    any cpu
>    Domain-0                           0     2    -   --p       0.0    any cpu
>    Domain-0                           0     3    -   --p       0.0    any cpu
>    REDHAT                            13     0    1   r--    2196.8  any cpu
>    REDHAT                            13     1    2   -b-     927.4  any cpu
> 
>    When I'm using the guest with an benchmark tool, only cpu 0 is working.
>    How can i make the system to work on both cpu's?

VCPU1 is blocked, meaning it doesn't have any work to do.
Perhaps your benchmark is only using one VCPU of your guest?

>    Whats the oportunity of cpu-pin?!??!

CPU-pin is only useful when you want to move VCPUs between
physical CPUs. In this case, your guest's VCPUs are already
running on distinct CPUs (1 and 2).

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