On Wed, Jan 08, 2014 at 12:31:18PM +, Peter Zijlstra wrote:
> On Tue, Jan 07, 2014 at 04:19:41PM +, Morten Rasmussen wrote:
> > Potential solution: Frequency invariance has been proposed before [1]
> > where the task load is scaled by the cur/max freq ratio. Another
> > possibility is to us
On Tue, Jan 07, 2014 at 04:19:41PM +, Morten Rasmussen wrote:
> Potential solution: Frequency invariance has been proposed before [1]
> where the task load is scaled by the cur/max freq ratio. Another
> possibility is to use hardware counters if such are available on the
> platform.
>
> [1] ht
Related to the issue of potential cpu capacity, task load is influenced
directly by the current P-state of the cpu it is running on. For
energy-aware task placement decisions the scheduler would need to
estimate the energy impact of scheduling a specific task on a specific
cpu. Depending on the res
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