linux-kernel - Re: [tip:perf/core] perf_events, x86: Fixup fixed counter constraints

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Message-ID: <1267552492.25158.71.camel@laptop>
Date:	Tue, 02 Mar 2010 18:54:52 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	tglx@...utronix.de, mingo@...e.hu,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:perf/core] perf_events, x86: Fixup fixed counter
 constraints

On Tue, 2010-03-02 at 17:26 +0100, Stephane Eranian wrote:
> > @@ -37,14 +43,16 @@ static struct event_constraint intel_core2_event_constraints[] =
> >        INTEL_EVENT_CONSTRAINT(0x18, 0x1), /* IDLE_DURING_DIV */
> >        INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */
> >        INTEL_EVENT_CONSTRAINT(0xa1, 0x1), /* RS_UOPS_DISPATCH_CYCLES */
> > +       INTEL_EVENT_CONSTRAINT(0xc9, 0x1), /* ITLB_MISS_RETIRED (T30-9) */
> 
> Where does the constraint on ITLB_MISS_RETIRED come from?

Intel® 64 and IA-32 Architectures Software Developer’s Manual
Volume 3B: System Programming Guide, Part 2

Dec 2009 (253669)

Section 30.4.3, Table 30-9

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