Re: [PATCH] powercap/rapl: handle domain energy unit

From: kazutomo
Date: Thu Mar 12 2015 - 18:50:29 EST

On 03/12/2015 05:05 PM, Jacob Pan wrote:
> On Thu, 12 Mar 2015 16:59:43 -0500
> kazutomo <kazutomo.yoshii@xxxxxxxxx> wrote:
>>> according to the document, future DRAM energy unit will always be
>>> hardcoded to 15.3uJ, no enumeration since there is no domain
>>> specific MSR for energy unit.
>> Which document are you referring to?
> Intel DocID:330784-001 Sept 2014
> Intel Xeon Processor E5-1600 and E5-2600 V2 of 2.

I think V2 is Ivy Bridge. Is this typo?

By googling, I found a datasheet titled:
"Intel Xeon Processor E5-1600 and E5-2600 v3 Product Families, Volume 2
of 2. Datasheet, September 2014, Reference Number: 330784-001 "

It clearly says "ENERGY_UNIT for DRAM domain is 15.3uJ."

- kaz

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