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Notes on Xen vcpu

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1. 绑定vcpu和cpu
xm vcpu-pin <domain-id> <vcpu-id> <cpu-id>

2. 为domainU设置vcpu数
xm vcpu-set <domain-id> <vcpu-id>
注意这里的vcpu-id不能超过domainU配置中的vcpu数

3. xen中的不同domain的vcpu是独立的,或者说domain0的vcpu0和domainU的vcpu0不是同一个。在这个问题上犯过错,以至于设计接口语义的时候出问题了。

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Written by zellux

April 27th, 2009 at 9:13 pm

Posted in Computer System

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