On 12/01/2010 12:22 PM, Peter Zijlstra wrote:
On Wed, 2010-12-01 at 09:17 -0800, Chris Wright wrote:
Directed yield and fairness don't mix well either. You can end up
feeding the other tasks more time than you'll ever get back.
If the directed yield is always to another task in your cgroup then
inter-guest scheduling fairness should be maintained.
Yes, but not the inter-vcpu fairness.
The pause loop exiting & directed yield patches I am working on
preserve inter-vcpu fairness by round robining among the vcpus
inside one KVM guest.
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