tdb_counters
counters_read(tdb->tdb_counters, counters, tdb_ncounters, NULL);
tdbp->tdb_counters = counters_alloc(tdb_ncounters);
counters_free(tdbp->tdb_counters, tdb_ncounters);
struct cpumem *tdb_counters; /* stats about this TDB */
tdbstat_inc(struct tdb *tdb, enum tdb_counters c)
counters_inc(tdb->tdb_counters, c);
tdbstat_add(struct tdb *tdb, enum tdb_counters c, uint64_t v)
counters_add(tdb->tdb_counters, c, v);
tdbstat_pkt(struct tdb *tdb, enum tdb_counters pc, enum tdb_counters bc,
counters_pkt(tdb->tdb_counters, pc, bc, bytes);