Re: [PATCH] perf/x86/uncore: update support for client uncore IMC PMU
From: Stephane Eranian
Date: Tue Sep 16 2014 - 04:51:41 EST
On Mon, Sep 15, 2014 at 5:58 PM, Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote:
> 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.
Send me the PCI-ID for this memory controller and I will add it
to V2 of the patch.
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