linux-kernel - Re: [PATCH 3/3] perf header: Rename "sibling cores" to "sibling sockets"

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Message-ID: <20190528085942.GA27906@krava>
Date:   Tue, 28 May 2019 10:59:42 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     kan.liang@...ux.intel.com
Cc:     acme@...nel.org, jolsa@...nel.org, mingo@...hat.com,
        linux-kernel@...r.kernel.org, peterz@...radead.org,
        ak@...ux.intel.com
Subject: Re: [PATCH 3/3] perf header: Rename "sibling cores" to "sibling
 sockets"

On Thu, May 23, 2019 at 01:41:21PM -0700, kan.liang@...ux.intel.com wrote:
> From: Kan Liang <kan.liang@...ux.intel.com>
> 
> The "sibling cores" actually shows the sibling CPUs of a socket.
> The name "sibling cores" is very misleading.
> 
> Rename "sibling cores" to "sibling sockets"

by checking on die topology, I found that thread_siblings_list
is deprecated/renamed to core_cpus_list.. we should keep that
in mind and support both

jirka

> 
> Signed-off-by: Kan Liang <kan.liang@...ux.intel.com>
> ---
>  tools/perf/Documentation/perf.data-file-format.txt | 2 +-
>  tools/perf/util/header.c                           | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/perf/Documentation/perf.data-file-format.txt b/tools/perf/Documentation/perf.data-file-format.txt
> index c731416..dd85163 100644
> --- a/tools/perf/Documentation/perf.data-file-format.txt
> +++ b/tools/perf/Documentation/perf.data-file-format.txt
> @@ -168,7 +168,7 @@ struct {
>  };
>  
>  Example:
> -	sibling cores   : 0-8
> +	sibling sockets : 0-8
>  	sibling dies	: 0-3
>  	sibling dies	: 4-7
>  	sibling threads : 0-1
> diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
> index faa1e38..eb79495 100644
> --- a/tools/perf/util/header.c
> +++ b/tools/perf/util/header.c
> @@ -1465,7 +1465,7 @@ static void print_cpu_topology(struct feat_fd *ff, FILE *fp)
>  	str = ph->env.sibling_cores;
>  
>  	for (i = 0; i < nr; i++) {
> -		fprintf(fp, "# sibling cores   : %s\n", str);
> +		fprintf(fp, "# sibling sockets : %s\n", str);
>  		str += strlen(str) + 1;
>  	}
>  
> -- 
> 2.7.4
>