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-rw-r--r--tools/perf/util/stat-display.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index 9ba0f08582f0..ba66bb7fc1ca 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -273,7 +273,7 @@ static void new_line_csv(struct perf_stat_config *config, void *ctx)
fputc('\n', os->fh);
if (os->prefix)
- fprintf(os->fh, "%s%s", os->prefix, config->csv_sep);
+ fprintf(os->fh, "%s", os->prefix);
aggr_printout(config, os->evsel, os->id, os->nr);
for (i = 0; i < os->nfields; i++)
fputs(config->csv_sep, os->fh);