linux-kernel - Re: [PATCH 03/28] perf tools: Remove symbol_conf.use

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Date:	Wed, 8 Jan 2014 09:57:55 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	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>,
	Jiri Olsa <jolsa@...hat.com>,
	Rodrigo Campos <rodrigo@...g.com.ar>
Subject: Re: [PATCH 03/28] perf tools: Remove symbol_conf.use_callchain check

Em Wed, Jan 08, 2014 at 05:46:08PM +0900, Namhyung Kim escreveu:
> The machine__resolve_callchain() is called only if symbol_conf.
> use_callchain is set so no need to check it again.

Not really it may be called with use_callchain not set, I'm checking if
the logic is needed (doesn't look like).

- Arnaldo
 
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> ---
>  tools/perf/util/machine.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
> index a98538dc465a..4dcc89490858 100644
> --- a/tools/perf/util/machine.c
> +++ b/tools/perf/util/machine.c
> @@ -1313,8 +1313,6 @@ static int machine__resolve_callchain_sample(struct machine *machine,
>  				*root_al = al;
>  				callchain_cursor_reset(&callchain_cursor);
>  			}
> -			if (!symbol_conf.use_callchain)
> -				break;
>  		}
>  
>  		err = callchain_cursor_append(&callchain_cursor,
> -- 
> 1.7.11.7
--
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