[PATCH v13 13/14] perf, tools: Handle header line in mapfile

[Jiri Olsa]

On Tue, Jun 02, 2015 at 10:12:13AM -0700, Sukadev Bhattiprolu wrote:
> From: Andi Kleen <ak at linux.intel.com>
> 
> Support a header line in the mapfile.csv, to match the existing
> mapfiles

'Suport' means 'skip' in here

jirka

> 
> Signed-off-by: Andi Kleen <ak at linux.intel.com>
> Signed-off-by: Sukadev Bhattiprolu <sukadev at linux.vnet.ibm.com>
> 
> Changelog[v2]
> 	All architectures may not use the "Family" to identify. So,
> 	assume first line is header.
> ---
>  tools/perf/pmu-events/jevents.c |    9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
> index 14707fb..8d365f2 100644
> --- a/tools/perf/pmu-events/jevents.c
> +++ b/tools/perf/pmu-events/jevents.c
> @@ -461,7 +461,12 @@ static int process_mapfile(FILE *outfp, char *fpath)
>  
>  	print_mapping_table_prefix(outfp);
>  
> -	line_num = 0;
> +	/* Skip first line (header) */
> +	p = fgets(line, n, mapfp);
> +	if (!p)
> +		goto out;
> +
> +	line_num = 1;
>  	while (1) {
>  		char *cpuid, *version, *type, *fname;
>  
> @@ -505,8 +510,8 @@ static int process_mapfile(FILE *outfp, char *fpath)
>  		fprintf(outfp, "},\n");
>  	}
>  
> +out:
>  	print_mapping_table_suffix(outfp);
> -
>  	return 0;
>  }
>  
> -- 
> 1.7.9.5
>