Re: Reserving CPU resources for a KVM guest

2008-08-23 Thread Dor Laor 

Yuksel Gunal wrote:

Hi,

I have been playing with KVM and was wondering about the following 
question: is there a resource configuration setting that would enforce 
a fraction of CPU to be guaranteed for a KVM guest?  What I have on 
mind is something similar to the reservation setting on VMware (used 
to be called minimum CPU), which guarantees a number of CPU cycles to 
a VM.  Also, any configuration setting similar to CPU/Memory Shares 
setting in VMware, which will kick in under contention for resources?


VM is like any other process in Linux, you can use cpu controller, 
cgroups or any other scheduling option for your VMs.

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Reserving CPU resources for a KVM guest

2008-08-22 Thread Yuksel Gunal 

Hi,

I have been playing with KVM and was wondering about the following question: 
is there a resource configuration setting that would enforce a fraction of 
CPU to be guaranteed for a KVM guest?  What I have on mind is something 
similar to the reservation setting on VMware (used to be called minimum 
CPU), which guarantees a number of CPU cycles to a VM.  Also, any 
configuration setting similar to CPU/Memory Shares setting in VMware, which 
will kick in under contention for resources?


Regards,

Yuksel Gunal 


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