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[Xen-users] Q: CPU usage in Dom0
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-users] Q: CPU usage in Dom0 |
| From: | "Ulrich Windl" <ulrich.windl@xxxxxxxxxxxxxxxxxxxx> |
| Date: | Wed, 25 Oct 2006 15:56:04 +0200 |
| Delivery-date: | Wed, 25 Oct 2006 06:57:00 -0700 |
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| Organization: | Universitaet Regensburg, Klinikum |
| Priority: | normal |
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Hi, there's no vm config file form Dom0, right? So how does XEN assign virtual CPUs to real CPUs? I see this on a two Dual-Core Opteron machine: # xm vcpu-list Name ID VCPU CPU State Time(s) CPU Affinity Domain-0 0 0 1 r-- 2927.8 any cpu Domain-0 0 1 2 -b- 2551.1 any cpu Domain-0 0 2 0 -b- 2477.0 any cpu Domain-0 0 3 0 -b- 2231.4 any cpu So VCPU 2 and 3 use the same CPU (0), even though there's another CPU (3). Why? On another machine (same model) things look better: # xm vcpu-list Name ID VCPU CPU State Time(s) CPU Affinity Domain-0 0 0 0 -b- 142.9 any cpu Domain-0 0 1 2 -b- 90.0 any cpu Domain-0 0 2 1 -b- 81.6 any cpu Domain-0 0 3 3 r-- 134.6 any cpu Regards, Ulrich _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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