--- /dev/null
+#ifndef PERFORMANCE_TEST_H_
+#define PERFORMANCE_TEST_H_
+
+#include <stdint.h>
+
+void calibrateTimer(void);
+void startTimer(uint8_t granularity);
+uint64_t stopTimer(void);
+void getOverhead(uint16_t* constoh, uint16_t* intoh);
+
+#endif /*PERFORMANCE_TEST_H_*/