On 04/22/2013 04:48 PM, Peter Zijlstra wrote:
Hmm.. it looked like under light overcommit the paravirt ticket lock still had some gain (~10%) and of course it brings the fairness thing which is always good. I can only imagine the mess unfair + vcpu preemption can bring to guest tasks.
If you think unfairness + vcpu preemption is bad, you haven't tried full fairness + vcpu preemption :) -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
