DT_ACT_TRACE
case DT_ACT_TRACE:
boolean_t istrace = (dnp->dn_ident->di_id == DT_ACT_TRACE);
{ "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0,