On Thu, 12 Mar 2015 17:50:20 -0500 kazutomo <kazutomo.yos...@gmail.com> wrote:
> On 03/12/2015 05:05 PM, Jacob Pan wrote: > > On Thu, 12 Mar 2015 16:59:43 -0500 > > kazutomo <kazutomo.yos...@gmail.com> 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? > v2 is volume 2, glad you found the doc. BTW, i just sent out v2 of the patch to address the issues, changes are 1. use pJ for driver energy unit 2. fix max_energy_range_uj, makes it per domain 3. add reference doc info to commit message Thanks, Jacob > 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 > -- Jacob Pan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
