linux-kernel - Re: [PATCH 5/6] tools lib traceevent: Add page

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Date:	Thu, 11 Apr 2013 10:39:35 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/6] tools lib traceevent: Add page_size field to pevent

On Thu, 2013-04-11 at 21:04 +0900, Namhyung Kim wrote:
> From: Namhyung Kim <namhyung.kim@....com>
> 
> It's for saving the page size of traced system.

Can you add a bit more detail in the change log about why this patch is
necessary.

Thanks,

-- Steve

> 
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: Frederic Weisbecker <fweisbec@...il.com>
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> ---
>  tools/lib/traceevent/event-parse.h | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
> index 39f0c1dca915..c37b2026d04a 100644
> --- a/tools/lib/traceevent/event-parse.h
> +++ b/tools/lib/traceevent/event-parse.h
> @@ -400,6 +400,7 @@ struct pevent {
>  
>  	int cpus;
>  	int long_size;
> +	int page_size;
>  
>  	struct cmdline *cmdlines;
>  	struct cmdline_list *cmdlist;
> @@ -621,6 +622,16 @@ static inline void pevent_set_long_size(struct pevent *pevent, int long_size)
>  	pevent->long_size = long_size;
>  }
>  
> +static inline int pevent_get_page_size(struct pevent *pevent)
> +{
> +	return pevent->page_size;
> +}
> +
> +static inline void pevent_set_page_size(struct pevent *pevent, int _page_size)
> +{
> +	pevent->page_size = _page_size;
> +}
> +
>  static inline int pevent_is_file_bigendian(struct pevent *pevent)
>  {
>  	return pevent->file_bigendian;


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