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-rw-r--r--tools/perf/pmu-events/jevents.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
index 2e7c4153875b..1a57c3f81dd4 100644
--- a/tools/perf/pmu-events/jevents.c
+++ b/tools/perf/pmu-events/jevents.c
@@ -672,8 +672,6 @@ static int json_events(const char *fn,
addfield(map, &je.metric_constraint, "", "", val);
} else if (json_streq(map, field, "MetricExpr")) {
addfield(map, &je.metric_expr, "", "", val);
- for (s = je.metric_expr; *s; s++)
- *s = tolower(*s);
} else if (json_streq(map, field, "ArchStdEvent")) {
addfield(map, &arch_std, "", "", val);
for (s = arch_std; *s; s++)