1 files changed, 1 insertions, 0 deletions

diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index ec5de5e3330c..09b4c26b71aa 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -265,6 +265,7 @@ bool is_power_of_2(unsigned long n)
 size_t hex_width(u64 v);
 int hex2u64(const char *ptr, u64 *val);
 
+char *ltrim(char *s);
 char *rtrim(char *s);
 
 void dump_stack(void);