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    SubjectRe: [tip:perf/core] perf_events, x86: Fixup fixed counter constraints
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    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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