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

Peter Zijlstra
2010-03-02T17:54:59Z

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