[Xen-users] How is the "cap" VM value is computed during execution?

[Christy Business <christy4business@xxxxxxxxx>]

Hello

I'm currently using Xen-4.1.5. 

I know that:

- At the beginning, each VM has a  256  weight as default .

- After each execution, the credit of the corresponding  VM is proportionnally decreased based on the period of execution.

Am i right?

Please i have the following question:

-What is the initial value of "credit"? The "credit" value correspond to what?

- How is it computed during VM execution?

-  VM are also characterized their "cap" value. I wish to understand how the "capping" of CPU is computed during the execution?  Then how are you doing to guarantee the "cap" of the VM.

PS:  I assume  that the cap is not null.

Thanks for response!

Cheers

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