On 12/11/2010 08:57 AM, Balbir Singh wrote:
If the vpcu holding the lock runs more and capped, the timeslice transfer is a heuristic that will not help.
That indicates you really need the cap to be per guest, and not per VCPU. Having one VCPU spin on a lock (and achieve nothing), because the other one cannot give up the lock due to hitting its CPU cap could lead to showstoppingly bad performance. -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
