# \[PATCH v14 18/19\] perf, tools: Handle header line in mapfile - From: Sukadev Bhattiprolu \ - Date: 2015-06-05 06:29:45 - List: linuxppc-dev - Page: https://ratatoskr.run/linuxppc-dev/2015/06/4509617 - Thread: https://ratatoskr.run/linuxppc-dev/2015/06/4509599/t.md ```text From: Andi Kleen To work with existing mapfiles, assume that the first line in 'mapfile.csv' is a header line and skip over it. Signed-off-by: Andi Kleen Signed-off-by: Sukadev Bhattiprolu 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 ea3474b..7347cca 100644 --- a/tools/perf/pmu-events/jevents.c +++ b/tools/perf/pmu-events/jevents.c @@ -462,7 +462,12 @@ 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; @@ -506,8 +511,8 @@ static int process_mapfile(FILE *outfp, char *fpath) fprintf(outfp, "},\n"); } +out: print_mapping_table_suffix(outfp); - return 0; } -- 1.7.9.5 ```