linux-kernel - Re: [PATCH v1 4/5] perf: Introduce address range filtering

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Message-ID: <20160425125718.GC3448@twins.programming.kicks-ass.net>
Date:	Mon, 25 Apr 2016 14:57:18 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc:	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	vince@...ter.net, eranian@...gle.com,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Mathieu Poirier <mathieu.poirier@...aro.org>
Subject: Re: [PATCH v1 4/5] perf: Introduce address range filtering

On Fri, Apr 22, 2016 at 07:19:11PM +0300, Alexander Shishkin wrote:
> diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
> index b717902c99..4f968d6b96 100644
> --- a/include/linux/perf_event.h
> +++ b/include/linux/perf_event.h
> @@ -151,6 +151,15 @@ struct hw_perf_event {
>  	 */
>  	struct task_struct		*target;
>  
> +	/*
> +	 * PMU would store hardware filter configuration
> +	 * here.
> +	 */
> +	void				*addr_filters;
> +
> +	/* Last sync'ed generation of filters */
> +	unsigned long			addr_filters_gen;
> +

should these not go in the itrace struct?

/me continues reading