-XBT_PUBLIC(void) TRACE_surf_resource_utilization_alloc(void);
-XBT_PUBLIC(void) TRACE_surf_resource_utilization_release(void);
-XBT_PUBLIC(void) TRACE_add_start_function(void (*func)(void));
-XBT_PUBLIC(void) TRACE_add_end_function(void (*func)(void));
+XBT_PUBLIC(void) TRACE_surf_resource_utilization_alloc();
+XBT_PUBLIC(void) TRACE_surf_resource_utilization_release();