RE: [Xen-devel] Auto CPU rebalance ?

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> Also is any scheduler going to include any algorthm to handle 
> gang scheduling of multiplie vcpus?

It remains to be seen whether gang scheduling is actually necessary. I'd
like to see how well some combination of "bad pre-emption"
avoidance/mitigation coupled with biasing the scheduler to run vcpu's of
domains that already have vcpu's running. 

Strict gang scheduling is likely to lead to a lot of wasted cycles, and
I expect we can do better. The first step is to define a set of
workloads we want to optimise for, and collect some traces. 

Ian  

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