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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 7 Jan 2016 10:35:07 -0800
From:	Stephane Eranian <eranian@...gle.com>
To:	Andi Kleen <ak@...ux.intel.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	"mingo@...e.hu" <mingo@...e.hu>, "Liang, Kan" <kan.liang@...el.com>
Subject: Re: [PATCH] perf/x86: add Intel SkyLake uncore IMC PMU support

On Thu, Jan 7, 2016 at 8:53 AM, Andi Kleen <ak@...ux.intel.com> 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