From: Andi Kleen <[email protected]>

To work with existing mapfiles, assume that the first line in
'mapfile.csv' is a header line and skip over it.

Signed-off-by: Sukadev Bhattiprolu <[email protected]>
Acked-by: Ingo Molnar <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Cc: Madhavan Srinivasan <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: 
http://lkml.kernel.org/r/[email protected]
Cc: [email protected]
Signed-off-by: Andi Kleen <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 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 c4c074a49b6e..c9bf9a7dc7b2 100644
--- a/tools/perf/pmu-events/jevents.c
+++ b/tools/perf/pmu-events/jevents.c
@@ -477,7 +477,12 @@ 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;
 
@@ -521,8 +526,8 @@ static int process_mapfile(FILE *outfp, char *fpath)
                fprintf(outfp, "},\n");
        }
 
+out:
        print_mapping_table_suffix(outfp);
-
        return 0;
 }
 
-- 
2.7.4

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