1 files changed, 1 insertions, 0 deletions
diff --git a/utils.h b/utils.h
index b4aa2a5..2c46a20 100644
--- a/utils.h
+++ b/utils.h
@@ -44,4 +44,5 @@ void interaction(int duration, int num_args, int opt_list[]);
 int interaction_with_handle(int lock_handle, int duration, int num_args, int opt_list[]);
 int perf_hint_enable(int hint_id, int duration);
 
+long long calc_timespan_us(struct timespec start, struct timespec end);
 int get_soc_id(void);