Re: [RFC] A new CPU load metric for power-efficient scheduler: CPU ConCurrency

[Mike Galbraith]

On Fri, 2014-04-25 at 03:30 +0800, Yuyang Du wrote:

> To track CC, we intercept the scheduler in 1) enqueue, 2) dequeue, 3)
> scheduler tick, and 4) enter/exit idle.

Boo hiss to 1, 2 and 4.  Less fastpath math would be better.

-Mike

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