linux-kernel - Re: [PATCH 4/4] perf tools: Make kmem work for non numa machines

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Date:	Mon, 23 Sep 2013 15:50:31 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Namhyung Kim <namhyung@...nel.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [PATCH 4/4] perf tools: Make kmem work for non numa machines

On Thu, Sep 12, 2013 at 06:39:36PM +0200, Jiri Olsa wrote:
> The commit '2814eb0 perf kmem: Remove die() calls' disabled
> kmem command for machines without numa support. It made the
> command fail if '/sys/devices/system/node' dir wasn't found.
> 
> Skipping the numa based initialization in case the directory
> is not found and continue execution.
> 
> Signed-off-by: Jiri Olsa <jolsa@...hat.com>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
> Cc: Frederic Weisbecker <fweisbec@...il.com>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Cc: Paul Mackerras <paulus@...ba.org>
> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Cc: Arnaldo Carvalho de Melo <acme@...hat.com>

ping

thanks,
jirka

> ---
>  tools/perf/builtin-kmem.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
> index c2dff9c..9b5f077 100644
> --- a/tools/perf/builtin-kmem.c
> +++ b/tools/perf/builtin-kmem.c
> @@ -101,7 +101,7 @@ static int setup_cpunode_map(void)
>  
>  	dir1 = opendir(PATH_SYS_NODE);
>  	if (!dir1)
> -		return -1;
> +		return 0;
>  
>  	while ((dent1 = readdir(dir1)) != NULL) {
>  		if (dent1->d_type != DT_DIR ||
> -- 
> 1.7.11.7
> 
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