diff --git a/benchmark/api/internally_implemented.cpp b/benchmark/api/internally_implemented.cpp
index 5736e881..d6a10380 100644
--- a/benchmark/api/internally_implemented.cpp
+++ b/benchmark/api/internally_implemented.cpp
@@ -322,3 +322,12 @@ size_t ee_get_buffer(uint8_t* buffer, size_t max_len) {
   }
   return len;
 }
+
+/**
+ * @brief get data buffer pointer
+ * 
+ * @return a pointer to gp_buff;
+ */
+uint8_t* ee_get_buffer_pointer() {
+  return gp_buff;
+}
diff --git a/benchmark/api/internally_implemented.h b/benchmark/api/internally_implemented.h
index 62faf0ab..cb16a023 100644
--- a/benchmark/api/internally_implemented.h
+++ b/benchmark/api/internally_implemented.h
@@ -56,6 +56,7 @@ void ee_benchmark_initialize(void);
 long ee_hexdec(char *);
 void ee_infer(size_t n, size_t n_warmup);
 size_t ee_get_buffer(uint8_t* buffer, size_t max_len);
+uint8_t* ee_get_buffer_pointer();
 arg_claimed_t ee_buffer_parse(char *command);
 arg_claimed_t ee_profile_parse(char *command);