db2LockMonitor

方法1：Snapshot
  1.open switches
     db2 update dbm cfg using dft_mon_lock on(instance level)
    OR
     db2 update monitor switches using lock on(session level,recommonded)
  2.Monitoring
    db2 get snapshot for locks on dev
方法2：Event
  1.db2 create event monitor dlock for deadlocks with details write to file '$HOEM/dir'
  2.db2 set evnet monitor dlock state 1
方法3：db2pd
  db2pd -db [dbname] -locks wait showlocks