void TRACE_global_init(int *argc, char **argv);
/* from resource_utilization.c */
void TRACE_surf_host_set_utilization (const char *name, smx_action_t smx_action, double value, double now, double delta);
void TRACE_surf_link_set_utilization (void *link, smx_action_t smx_action, double value, double now, double delta);
void TRACE_global_init(int *argc, char **argv);
/* from resource_utilization.c */
void TRACE_surf_host_set_utilization (const char *name, smx_action_t smx_action, double value, double now, double delta);
void TRACE_surf_link_set_utilization (void *link, smx_action_t smx_action, double value, double now, double delta);