Re: [PATCH] powercap/rapl: add support for cpu model 0x3f

From: Jason Baron
Date: Thu Aug 14 2014 - 10:21:27 EST

On 08/13/2014 06:50 PM, Jacob Pan wrote:
> On Wed, 13 Aug 2014 20:33:26 +0000 (GMT)
> Jason Baron <jbaron@xxxxxxxxxx> wrote:
>> I've confirmed that monitoring the package power usage as well
>> as setting power limits appear to be working as expected. However,
>> I do see in the logs:
>> [ 5.082632] intel_rapl: RAPL domain core detection failed
>> [ 5.088370] intel_rapl: RAPL domain uncore detection failed
>> So I'm not sure if the h/w simply doesn't support that, or if the
>> driver could be improved here. In any case, adding the 0x3f makes
>> the driver useful for me. Tested aginst cpu:
>> Intel(R) Xeon(R) CPU E5-2650 v3 @ 2.30GHz
> I don't have this CPU model to test. Most server processors don't
> have uncore domain so detection failed is normal. Looks like you just
> have package and dram domain?


> Thanks for testing it out, looks good to me. can you send it to
> linux-pm list and cc rafael?




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