linux-kernel - Re: [PATCH 11/24] x86/oprofile: Add IBS support for AMD CPUs, model specific code

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Message-ID: <48888E7C.7040504@us.ibm.com>
Date:	Thu, 24 Jul 2008 09:15:24 -0500
From:	Maynard Johnson <maynardj@...ibm.com>
To:	Robert Richter <robert.richter@....com>
CC:	Barry Kasindorf <barry.kasindorf@....com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	oprofile-list <oprofile-list@...ts.sourceforge.net>
Subject: Re: [PATCH 11/24] x86/oprofile: Add IBS support for AMD CPUs, model
 specific code

Robert Richter wrote:
> From: Barry Kasindorf <barry.kasindorf@....com>
> 
> This patchset supports the new profiling hardware available in the
> latest AMD CPUs in the oProfile driver.
> 
> Signed-off-by: Barry Kasindorf <barry.kasindorf@....com>
> Signed-off-by: Robert Richter <robert.richter@....com>
> ---
>  arch/x86/oprofile/op_model_athlon.c |  257 +++++++++++++++++++++++++++++++++++
>  1 files changed, 257 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c
> index 40ecb02..229e0b4 100644
> --- a/arch/x86/oprofile/op_model_athlon.c
> +++ b/arch/x86/oprofile/op_model_athlon.c
> @@ -9,9 +9,13 @@
>   * @author Philippe Elie
>   * @author Graydon Hoare
>   * @author Robert Richter <robert.richter@....com>
> + * @author Barry Kasindorf
>  */
> 
[snip]
> +
> +struct op_ibs_config {
> +	unsigned long op_enabled;
> +	unsigned long fetch_enabled;
> +	unsigned long max_cnt_fetch;
> +	unsigned long max_cnt_op;
> +	unsigned long rand_en;
> +	unsigned long dispatched_ops;
I don't see dispatched_ops being used either by your kernel driver changes or by 
the userspace changes submitted by Jason.

-Maynard
[snip]

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