linux-kernel - Re: [PATCH 3/7] perf tools: Move TUI-specific fields to struct hist_entry

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Message-ID: <20150420082002.GA9872@krava.redhat.com>
Date:	Mon, 20 Apr 2015 10:20:02 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>
Subject: Re: [PATCH 3/7] perf tools: Move TUI-specific fields to struct
 hist_entry_tui

On Sun, Apr 19, 2015 at 01:04:11PM +0900, Namhyung Kim wrote:
> Since perf diff only support stdio output, TUI fields are only accessed
> from perf report (or perf top).  So add new struct hist_entry_tui and
> move those fields into them.  And include it as an union member.
> 

SNIP

>  
> -	/* XXX These two should move to some tree widget lib */
> -	u16			row_offset;
> -	u16			nr_rows;
> -
>  	bool			init_have_children;
>  	char			level;
>  	u8			filtered;
> +	union {
> +		struct hist_entry_diff	diff;
> +		struct hist_entry_tui	tui;
> +	};

could you please add the comment from changelog in here,
so it's easy to figure this out in the future 

thanks,
jirka
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