linux-kernel - Re: [rfc 1/3] perf, x86: P4 PMU

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Date:	Fri, 26 Nov 2010 16:07:30 +0300
From:	Cyrill Gorcunov <gorcunov@...nvz.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Stephane Eranian <eranian@...gle.com>, Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>, ming.m.lin@...el.com
Subject: Re: [rfc 1/3] perf, x86: P4 PMU - describe config format

On 11/26/10, Peter Zijlstra <peterz@...radead.org> wrote:
> On Fri, 2010-11-26 at 13:48 +0100, Stephane Eranian wrote:
>> Reviewed-by: Stephane Eranian <eranian@...gle.com>
>
> The new one, right? The one that reads:
>

yes, it's updated

> + *    Low 32 bits
> + *    -----------
> + *      0-6: P4_PEBS_METRIC enum
> + *     7-11:                    reserved
> + *       12:                    reserved (Enable)
> + *    13-15:                    reserved (ESCR select)
> + *    16-17: Active Thread
> + *       18: Compare
> + *       19: Complement
> + *    20-23: Threshold
> + *       24: Edge
> + *       25:                    reserved (FORCE_OVF)
> + *       26:                    reserved (OVF_PMI_T0)
> + *       27:                    reserved (OVF_PMI_T1)
> + *    28-29:                    reserved
> + *       30:                    reserved (Cascade)
> + *       31:                    reserved (OVF)
> + *
> + *    High 32 bits
> + *    ------------
> + *        0:                    reserved (T1_USR)
> + *        1:                    reserved (T1_OS)
> + *        2:                    reserved (T0_USR)
> + *        3:                    reserved (T0_OS)
> + *        4: Tag Enable
> + *      5-8: Tag Value
> + *     9-24: Event Mask (may use P4_ESCR_EMASK_BIT helper)
> + *    25-30: enum P4_EVENTS
> + *       31:                    reserved (HT thread)
>
>
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