MDB_DBG_DCMD
mdb_dprintf(MDB_DBG_DCMD, "dcmd %s`%s dot = %lr incr = %llr\n",
{ "dcmd", "debug dcmd processing", MDB_DBG_DCMD },
mdb_dprintf(MDB_DBG_DCMD, "added dcmd %s`%s\n",
mdb_dprintf(MDB_DBG_DCMD, "removed dcmd %s`%s\n", mod->mod_name, dname);