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Date:	Thu, 18 Jul 2013 10:23:24 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Yan, Zheng" <zheng.z.yan@...el.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, eranian@...gle.com,
	ak@...ux.intel.com
Subject: Re: [PATCH] perf, x86: Add Silvermont (22nm Atom) support

On Thu, Jul 18, 2013 at 01:36:07PM +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 */

So the normal event 0x13c and the fixed counter 2 are normally _not_ the
same. Are they for slm? Are you sure?

> +	EVENT_CONSTRAINT_END
> +};
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