lttv_hooks_remove_list(tc->before, before_trace);
lttv_hooks_remove_list(tc->after, after_trace);
nb_control = ltt_trace_control_tracefile_number(tc->t);
lttv_hooks_remove_list(tc->before, before_trace);
lttv_hooks_remove_list(tc->after, after_trace);
nb_control = ltt_trace_control_tracefile_number(tc->t);