From: Andi Kleen <ak@linux.intel.com>
To: Stephane Eranian <eranian@google.com>
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org,
mingo@elte.hu, kan.liang@intel.com
Subject: Re: [PATCH] perf/x86/uncore: update support for client uncore IMC PMU
Date: Mon, 15 Sep 2014 08:58:37 -0700 [thread overview]
Message-ID: <20140915155837.GR5387@tassilo.jf.intel.com> (raw)
In-Reply-To: <20140915143832.GA3264@quad>
On Mon, Sep 15, 2014 at 04:38:32PM +0200, Stephane Eranian wrote:
>
> This patch restructures the memory controller (IMC) uncore
> PMU support for client SNB/IVB/HSW processors. The main change
> is that it can now cope with more than one PCI device ID per
> processor model. There are many flavors of memory controllers
> for each processor. They have different PCI device ID, yet
> they behave the same w.r.t. the memory controller PMU that
> we are interested in.
>
> The patch now supports two distinct memory controllers for IVB
> processors: one for mobile, one for desktop.
I haven't investigated yet, but on my Lenovo ULT Haswell laptop
the IMC PCI-ID doesn't exist, so the driver doesn't initialize.
So either it's the BIOS disabling it, or it's a different ID there
too.
BTW any reason you didn't enable the CBOX/ARB PMUs originally for HSW?
At least ARB events are useful for some things.
-Andi
next prev parent reply other threads:[~2014-09-15 15:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-15 14:38 [PATCH] perf/x86/uncore: update support for client uncore IMC PMU Stephane Eranian
2014-09-15 15:58 ` Andi Kleen [this message]
2014-09-15 16:18 ` Stephane Eranian
2014-09-16 8:51 ` Stephane Eranian
2014-09-16 7:00 ` Ingo Molnar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140915155837.GR5387@tassilo.jf.intel.com \
--to=ak@linux.intel.com \
--cc=eranian@google.com \
--cc=kan.liang@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=peterz@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox