Messages in this thread | | | Date | Wed, 13 Jun 2012 14:50:13 +0200 | Subject | Re: [RFC 3/4] ARM: topology: Update cpu_power according to DT information | From | Jean Pihet <> |
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Hi Amit, Peter,
On Wed, Jun 13, 2012 at 2:47 PM, Peter Zijlstra <peterz@infradead.org> wrote: > On Wed, 2012-06-13 at 18:14 +0530, Amit Kucheria wrote: >> Various discussions around power-aware scheduling have amplified the >> need for the scheduler to have some knowledge of DVFS. This would then >> require the scheduler to track 'cpu_power' ( = max power) and perhaps >> a new variable 'current_power' that is changed by the DVFS framework. > > Note that capacity is in fact a better term -- not to be confused with > the capacity as currently in use within the load-balancer. Luckily > there's no way to read that an not be confused.. uhmm :-) >> >> The first goal, though, is to make sure that the scheduler can handle >> different cpu_power values due to asymmetric cores. > > I would think the very first goal was to do a simple packing balancer > before doing silly things with asymmetric setups.. but what do I know. Sure! First things first ;p
Thanks for the details!
Regards, Jean
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