linux-kernel - Re: [RFC][PATCH 2/3] perf_counter: executable mmap() information

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Message-ID: <18891.6159.109191.255560@drongo.ozlabs.ibm.com>
Date:	Thu, 26 Mar 2009 16:52:15 +1100
From:	Paul Mackerras <paulus@...ba.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Wu Fengguang <fengguang.wu@...el.com>
Subject: Re: [RFC][PATCH 2/3] perf_counter: executable mmap() information

Peter Zijlstra writes:

> --- linux-2.6.orig/include/linux/perf_counter.h
> +++ linux-2.6/include/linux/perf_counter.h
> @@ -137,7 +137,9 @@ struct perf_counter_hw_event {
>  				exclude_kernel :  1, /* ditto kernel          */
>  				exclude_hv     :  1, /* ditto hypervisor      */
>  				exclude_idle   :  1, /* don't count when idle */
> -				include_tid    :  1, /* include the tid */
> +				include_tid    :  1, /* include the tid       */
> +				mmap           :  1, /* include mmap data     */
> +				munmap         :  1, /* include munmap data   */
>  
>  				__reserved_1   : 54;

Nit: need to adjust the size of __reserved_1 here.  Or maybe just get
rid of it?

Paul.
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