Re: [PATCH] perf, x86: Add Silvermont (22nm Atom) support

From: Peter Zijlstra
Date: Thu Jul 18 2013 - 04:43:07 EST


On Thu, Jul 18, 2013 at 01:39:28PM +0800, Yan, Zheng wrote:
> On 07/18/2013 01:36 PM, Yan, Zheng wrote:
> > From: "Yan, Zheng" <zheng.z.yan@xxxxxxxxx>
> >
> > Compare to old atom, Silvermont has offcore and has more events
> > that support PEBS.
> >
> > Silvermont has two offcore response configuration MSRs, but the
> > event code for OFFCORE_RSP_1 is 0x02b7. To avoid complicating
> > intel_fixup_er(), use INTEL_UEVENT_EXTRA_REG to define offcore
> > MSRs. So intel_fixup_er() can find the code for OFFCORE_RSP_1
> > by x86_pmu.extra_regs[1].event.
> >
>
> Document is at http://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-optimization-manual.pdf, but it has no PEBS event list.

Why isn't this in the regular SDM like all the other stuff?
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