Shows the object causing the waits

Author: geekcomputers

dbfile_seqread_object.sql

@@ -0,0 +1,28 @@
+REM Filename      : dbfile_seqread_object.sql
+REM Author        : Craig Richards
+REM Created       : 06-August-2008
+REM Version       : 1.0
+REM Modifications :
+REM
+REM Description   : Shows the object causing the waits 
+
+SELECT   b.sid, nvl(substr(a.object_name,1,30),'P1='||b.p1||' P2='||b.p2||' P3='||b.p3) object_name,
+         a.subobject_name,
+         a.object_type
+FROM     dba_objects a, v$session_wait b, x$bh c
+WHERE    c.obj   = a.object_id(+)
+AND      b.p1    = c.file#(+)
+AND      b.p2    = c.dbablk(+)
+AND      b.event = 'db file sequential read'
+UNION
+SELECT   b.sid, nvl(substr(a.object_name,1,30), 'P1='||b.p1||' P2='||b.p2||' P3='||b.p3) object_name,
+         a.subobject_name,
+         a.object_type
+FROM     dba_objects a, v$session_wait b, x$bh c
+WHERE    c.obj   = a.data_object_id(+)
+AND      b.p1    = c.file#(+)
+AND      b.p2    = c.dbablk(+)
+AND      b.event = 'db file sequential read'
+ORDER BY 1;
+
+REM End of Script