linux-kernel - Re: [PATCH] oprofile: Allow setting EDGE/INV/CMASK for Intel counter events v2

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Message-ID: <20110324184100.GP31407@erda.amd.com>
Date:	Thu, 24 Mar 2011 19:41:00 +0100
From:	Robert Richter <robert.richter@....com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH] oprofile: Allow setting EDGE/INV/CMASK for Intel
 counter events v2

On 16.03.11 15:44:33, Andi Kleen wrote:
> From: Andi Kleen <ak@...ux.intel.com>
> 
> For some performance events it's useful to set the EDGE and INV
> bits and the CMASK mask in the counter control register. The list
> of predefined events Intel releases for each CPU has some events which
> require these settings to get more "natural" to use higher level events.
> 
> oprofile currently doesn't allow this.
> 
> This patch adds new extra configuration fields for them, so that
> they can be specified in oprofilefs.
> 
> An updated oprofile daemon can then make use of this to set them.
> 
> v2: Write back masked extra value to variable.
> Signed-off-by: Andi Kleen <ak@...ux.intel.com>
> ---
>  arch/x86/oprofile/nmi_int.c    |    5 +++++
>  arch/x86/oprofile/op_counter.h |    1 +
>  2 files changed, 6 insertions(+), 0 deletions(-)

Applied to

 git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile.git core

Thanks Andi,

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center

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