linux-kernel - Re: [PATCH 21/21] perf tools: Enable --children option by default

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Date:	Sun, 5 Jan 2014 19:08:18 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Arun Sharma <asharma@...com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Rodrigo Campos <rodrigo@...g.com.ar>
Subject: Re: [PATCH 21/21] perf tools: Enable --children option by default

On Tue, Dec 24, 2013 at 05:22:27PM +0900, Namhyung Kim wrote:
> From: Namhyung Kim <namhyung.kim@....com>
> 
> Now perf top and perf report will show children column by default if
> it has callchain information.
> 
> Requested-by: Ingo Molnar <mingo@...nel.org>

hum, so I could easily put 'children = false' to my .perfconfig
to get the previous default behaviour back..

but I thought the notion was not to disturb user with
new features ...and I feel disturbed ;-)

I probably missed some discussion about this

jirka

> Cc: Arun Sharma <asharma@...com>
> Cc: Frederic Weisbecker <fweisbec@...il.com>
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> ---
>  tools/perf/util/symbol.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
> 
> diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
> index 923d00040bbf..3e73079e6c92 100644
> --- a/tools/perf/util/symbol.c
> +++ b/tools/perf/util/symbol.c
> @@ -29,11 +29,12 @@ int vmlinux_path__nr_entries;
>  char **vmlinux_path;
>  
>  struct symbol_conf symbol_conf = {
> -	.use_modules	  = true,
> -	.try_vmlinux_path = true,
> -	.annotate_src	  = true,
> -	.demangle	  = true,
> -	.symfs            = "",
> +	.use_modules		= true,
> +	.try_vmlinux_path	= true,
> +	.annotate_src		= true,
> +	.demangle		= true,
> +	.cumulate_callchain	= true,
> +	.symfs			= "",
>  };
>  
>  static enum dso_binary_type binary_type_symtab[] = {
> -- 
> 1.7.11.7
> 
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