XBT_DEBUG("ADD SURF LEVELS");
SURF_CPU_LEVEL = xbt_lib_add_level(host_lib,surf_resource_free);
SURF_WKS_LEVEL = xbt_lib_add_level(host_lib,surf_resource_free);
SURF_LINK_LEVEL = xbt_lib_add_level(link_lib,surf_resource_free);
XBT_DEBUG("ADD SURF LEVELS");
SURF_CPU_LEVEL = xbt_lib_add_level(host_lib,surf_resource_free);
SURF_WKS_LEVEL = xbt_lib_add_level(host_lib,surf_resource_free);
SURF_LINK_LEVEL = xbt_lib_add_level(link_lib,surf_resource_free);