select sid,event,p1raw from v$session_wait where event like `library cache pin%`;
select sql_text from v$sqlarea where hash_value=(select sql_hash_value from v$session where sid=164);
通過以下SQL可以從 x$kglob得到正在pin的物件：
select kglnaown,kglnaobj,kglnadlk from x$kglob where kglhdadr=` 1BD820A8`;
找到持有library cache pin以及等待library cache pin的session，看看mode=2的會話在幹什麼（2=share 3=exclusive）
select s.sid, kglpnmod “Mode”, kglpnreq “Req”, SPID “OS Process”
from v$session_wait w,x$kglpn p, v$session s, v$process o
where p.kglpnuse=s.saddr
and kglpnhdl=w.p1raw
and w.event like `%library cache pin%`
and s.paddr=o.addr;