Re: [RFCv2 PATCH 00/23] sched: Energy cost model for energy-aware scheduling

From: Yuyang Du
Date: Tue Jul 08 2014 - 04:26:50 EST


Hi Morten,

On Mon, Jul 07, 2014 at 03:16:27PM +0100, Morten Rasmussen wrote:

> Could you elaborate on what you mean by 'a general statement'?

The general statement is: higher freq, more cap, and more power. More specific
numbers are not needed, as they are just instances of this general statement.

> cpu_power doesn't tell you anything about energy-efficiency. There is no
> link with frequency scaling.

In general, more cpu_power, more freq, less energy-efficiency, as you said sometime ago.

> No representation of power domains.

Represented by CPU topology?

Thanks,
Yuyang
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