fix profiling initialisation

src/core/workers.c

@@ -711,8 +711,9 @@ int starpu_init(struct starpu_conf *user_conf)
 
 	_starpu_timing_init();
 
-//	_starpu_profiling_init();
+	_starpu_profiling_init();
 
+	_starpu_load_bus_performance_files();
 
 	/* store the pointer to the user explicit configuration during the
 	 * initialization */