V$LIBRARYCACHE

Columns
   ___________________________
 
   NAMESPACE
   GETS
   GETHITS
   GETHITRATIO
   PINS
   PINHITS
   PINHITRATIO
   INVALIDATIONS
   RELOADS
   DLM_INVALIDATIONS
   DLM_INVALIDATION_REQUESTS
   DLM_PIN_RELEASES
   DLM_PIN_REQUESTS
   DLM_LOCK_REQUESTS

Related Views:

V$BUFFER_POOL 
V$CACHE
V$DB_OBJECT_CACHE 
V$ROWCACHE 
V$ROWCACHE_PARENT 
V$ROWCACHE_SUBORDINATE 
V$SUBCACHE