Re: [PATCH] perf/x86: add Intel SkyLake uncore IMC PMU support

From: Stephane Eranian
Date: Thu Jan 07 2016 - 13:35:16 EST


On Thu, Jan 7, 2016 at 8:53 AM, Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote:
> On Thu, Jan 07, 2016 at 08:25:46AM +0100, Stephane Eranian wrote:
>> This patch enables the uncore_imc PMU for Intel
>> SkyLake Desktop processors (Core i7-6700, model 94).
>>
>> It is possible to compute memory read/write bandwidth
>> using:
>> $ perf stat -a -e uncore_imc/data_reads/,uncore_imc/data_writes/ ....
>
> Thanks.
>
> Kan is working on a more complete patch to support SKL uncore.
> Yours is missing the MSRs and the -U systems.
>
I understand that. But the IMC is really what is most useful to users.
I focused on that one only in this series.

> -Andi