Messages in this thread | | | Date | Mon, 11 Nov 2013 11:26:37 -0800 | From | Arjan van de Ven <> | Subject | Re: [RFC][PATCH v5 00/14] sched: packing tasks |
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On 11/11/2013 10:31 AM, Catalin Marinas wrote: > I agree, we can't rely on the requested C-state but the_actual_ state > and this means querying the hardware driver. Can we abstract this via > some interface which provides the cost of waking up a CPU? This could > take into account the state of the other CPUs in the cluster and the > scheduler is simply concerned with the wake-up costs.
can you even query this without actually waking up the cpu and asking ???
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