xbt_assert(trace_list.find(name) == trace_list.end(), "Refusing to define trace %s twice", name);
xbt_assert(periodicity >= 0, "Invalid periodicity %g (must be positive)", periodicity);
tmgr_trace_t trace = new simgrid::trace_mgr::trace();
xbt_assert(trace_list.find(name) == trace_list.end(), "Refusing to define trace %s twice", name);
xbt_assert(periodicity >= 0, "Invalid periodicity %g (must be positive)", periodicity);
tmgr_trace_t trace = new simgrid::trace_mgr::trace();