Re: [PATCH 2/2] perf, x86: Add Silvermont (22nm Atom) support

[Peter Zijlstra]

On Thu, Jul 18, 2013 at 05:02:24PM +0800, Yan, Zheng wrote:
> +static struct event_constraint intel_slm_event_constraints[] __read_mostly =
> +{
> +	FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
> +	FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
> +	FIXED_EVENT_CONSTRAINT(0x013c, 2), /* CPU_CLK_UNHALTED.REF */
> +	FIXED_EVENT_CONSTRAINT(0x0300, 2), /* pseudo CPU_CLK_UNHALTED.REF */
> +	EVENT_CONSTRAINT_END
> +};

I'm still missing the fixup for intel_pmu_init() that will make this
actually work -- and the comment to clarify that yes slm really does
count them the same.
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