diff --git a/exadata_cellperf.sql b/exadata_cellperf.sql
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+-- This is not written by me and is a Oracle provided script 
+-- NAME: CELLPERFDIAG.SQL
+-- ------------------------------------------------------------------------
+-- AUTHOR: Michael Polaski - Oracle Support Services
+-- ------------------------------------------------------------------------
+-- PURPOSE:
+-- This script is intended to provide a user friendly guide to troubleshoot
+-- cell performance specifically to identify which cell(s) may be problematic.
+-- The script will create a file called cellperfdiag_<timestamp>.out in your
+-- local directory.
+
+set echo off
+set feedback off
+column timecol new_value timestamp
+column spool_extension new_value suffix
+select to_char(sysdate,'Mondd_hh24mi') timecol,
+'.out' spool_extension from sys.dual;
+column output new_value dbname
+select value || '_' output
+from v$parameter where name = 'db_name';
+spool cellperfdiag_&&dbname&&timestamp&&suffix
+set trim on
+set trims on
+set lines 160
+set long 10000
+set pages 60
+set verify off
+alter session set optimizer_features_enable = '10.2.0.4';
+
+-- Additional formatting
+column avg_wait_time format 99999999999.9
+column cell_name format a30 wra
+column cell_path format a30 wra
+column disk_name format a30 wra
+column event format a40 wra
+column inst_id format 999
+column minute format a12 tru
+column sample_time format a25 tru
+column total_wait_time format 99999999999.9
+
+PROMPT CELLPERFDIAG DATA FOR &&dbname&&timestamp
+
+PROMPT
+PROMPT IMPORTANT PARAMETERS RELATING TO CELL PERFORMANCE:
+PROMPT
+column name format a40 wra
+column value format a40 wra
+select inst_id, name, value from gv$parameter
+where (name like 'cell%' or name like '_kcfis%' or name like '%fplib%')
+and value is not null
+order by 1, 2, 3;
+
+PROMPT
+PROMPT TOP 20 CURRENT CELL WAITS
+PROMPT
+PROMPT This is to look at current cell waits, may not return any data.
+select * from (
+select c.cell_path, sw.inst_id, sw.event, sw.p1 cellhash#, sw.p2 diskhash#, sw.p3 bytes, sw.state, sw.seconds_in_wait
+from v$cell c, gv$session_wait sw
+where sw.p1text = 'cellhash#' and c.cell_hashval = sw.p1
+order by 8 desc)
+where rownum < 21;
+
+PROMPT
+PROMPT ASH CELL PERFORMANCE SUMMARY
+PROMPT
+PROMPT This query will look at the average cell wait times for each cell in ASH
+select c.cell_path, sum(a.time_waited) TOTAL_WAIT_TIME, avg(a.time_waited) AVG_WAIT_TIME
+from v$cell c, gv$active_session_history a
+where a.p1text = 'cellhash#' and c.cell_hashval = a.p1
+group by c.cell_path
+order by 3 desc, 2 desc;
+
+PROMPT
+PROMPT 20 WORST CELL PERFORMANCE MINUTES IN ASH:
+PROMPT
+PROMPT APPROACH: These are the minutes where the avg cell perf time
+PROMPT was the highest.  See which cell had the longest waits and
+PROMPT during what minute.
+select * from (
+select to_char(a.sample_time,'Mondd_hh24mi') minute, c.cell_path,
+sum(a.time_waited) TOTAL_WAIT_TIME, avg(a.time_waited) AVG_WAIT_TIME
+from v$cell c, gv$active_session_history a
+where a.p1text = 'cellhash#' and c.cell_hashval = a.p1
+group by to_char(sample_time,'Mondd_hh24mi'), c.cell_path
+order by 4 desc, 3 desc)
+where rownum < 21;
+
+PROMPT
+PROMPT 50 LONGEST CELL WAITS IN ASH ORDERED BY WAIT TIME
+PROMPT
+PROMPT APPROACH: These are the top 50 individual cell waits in ASH
+PROMPT in wait time order.  
+select * from (
+select a.sample_time, c.cell_path, a.inst_id, a.event, a.p1 cellhash#, a.p2 diskhash#, a.p3 bytes, a.time_waited
+from v$cell c, gv$active_session_history a
+where a.p1text = 'cellhash#' and c.cell_hashval = a.p1
+order by time_waited desc)
+where rownum < 51;
+
+PROMPT
+PROMPT 100 LONGEST CELL WAITS IN ASH ORDERED BY SAMPLE TIME
+PROMPT
+PROMPT APPROACH: These are the top 50 individual cell waits in ASH
+PROMPT in sample time order.  
+select * from (
+select * from (
+select a.sample_time, c.cell_path, a.inst_id, a.event, a.p1 cellhash#, a.p2 diskhash#, a.p3 bytes, a.time_waited
+from v$cell c, gv$active_session_history a
+where a.p1text = 'cellhash#' and c.cell_hashval = a.p1
+order by time_waited desc)
+where rownum < 101)
+order by 1;
+
+PROMPT
+PROMPT ASH HISTORY CELL PERFORMANCE SUMMARY
+PROMPT
+PROMPT This query will look at the average cell wait times for each cell in ASH
+select c.cell_path, sum(a.time_waited) TOTAL_WAIT_TIME, avg(a.time_waited) AVG_WAIT_TIME
+from v$cell c, DBA_HIST_ACTIVE_SESS_HISTORY a
+where a.p1text = 'cellhash#' and c.cell_hashval = a.p1
+group by c.cell_path
+order by 3 desc, 2 desc;
+
+PROMPT
+PROMPT 20 WORST CELL PERFORMANCE MINUTES IN ASH HISTORY:
+PROMPT
+PROMPT APPROACH: These are the minutes where the avg cell perf time
+PROMPT was the highest.  See which cell had the longest waits and
+PROMPT during what time minute.
+select * from (
+select to_char(a.sample_time,'Mondd_hh24mi') minute, c.cell_path,
+sum(a.time_waited) TOTAL_WAIT_TIME, avg(a.time_waited) AVG_WAIT_TIME
+from v$cell c, DBA_HIST_ACTIVE_SESS_HISTORY a
+where a.p1text = 'cellhash#' and c.cell_hashval = a.p1
+group by to_char(sample_time,'Mondd_hh24mi'), c.cell_path
+order by 4 desc, 3 desc)
+where rownum < 21;
+
+PROMPT
+PROMPT 50 LONGEST CELL WAITS IN ASH HISTORY ORDERED BY WAIT TIME
+PROMPT
+PROMPT APPROACH: These are the top 50 individual cell waits in ASH
+PROMPT history in wait time order.  
+select * from (
+select a.sample_time, c.cell_path, a.instance_number inst_id, a.event, a.p1 cellhash#, a.p2 diskhash#, a.p3 bytes, a.time_waited
+from v$cell c, DBA_HIST_ACTIVE_SESS_HISTORY a
+where a.p1text = 'cellhash#' and c.cell_hashval = a.p1
+order by time_waited desc)
+where rownum < 51;
+
+PROMPT
+PROMPT 100 LONGEST CELL WAITS IN ASH HISTORY ORDERED BY SAMPLE TIME
+PROMPT
+PROMPT APPROACH: These are the top 100 individual cell waits in ASH
+PROMPT history in sample time order.  
+select * from (
+select * from (
+select a.sample_time, c.cell_path, a.instance_number inst_id, a.event, a.p1 cellhash#, a.p2 diskhash#, a.p3 bytes, a.time_waited
+from v$cell c, DBA_HIST_ACTIVE_SESS_HISTORY a
+where a.p1text = 'cellhash#' and c.cell_hashval = a.p1
+order by time_waited desc)
+where rownum < 101)
+order by 1;
+
+PROMPT
+PROMPT AWR CELL DISK UTILIZATION
+PROMPT
+PROMPT APPROACH: This query only works in 12.1 and above.  This is looking
+PROMPT in the AWR history tables to look at cell disk utilization for some
+PROMPT of the worst periods.  Top 100 disk utils.
+PROMPT DISK_UTILIZATION_SUM: Sum of the per-minute disk utilization metrics.
+PROMPT IO_REQUESTS_SUM: Sum of the per-minute IOPs.
+PROMPT IO_MB_SUM: Sum of the per-minute I/O metrics, in megabytes per second.
+select * from (select * from (
+select distinct dhs.snap_id, to_char(dhs.begin_interval_time,'Mondd_hh24mi') BEGIN,
+to_char(dhs.end_interval_time,'Mondd_hh24mi') END,
+cd.cell_name, cd.disk_name, DISK_UTILIZATION_SUM, IO_REQUESTS_SUM, IO_MB_SUM
+from dba_hist_snapshot dhs, DBA_HIST_CELL_DISK_SUMMARY cds, v$cell_disk cd
+where (cds.cell_hash = cd.cell_hash and cds.disk_id = cd.disk_id)
+and dhs.snap_id = cds.snap_id and to_char(dhs.begin_interval_time,'Mondd_hh24') in
+(select hour from (
+select to_char(a.sample_time,'Mondd_hh24') hour, avg(a.time_waited) AVG_WAIT_TIME
+from DBA_HIST_ACTIVE_SESS_HISTORY a
+where event like 'cell%' or event like 'db file%' or event like 'log file%' or event like 'control file%'
+group by to_char(a.sample_time,'Mondd_hh24')
+order by 2 desc)
+where rownum < 6)
+order by DISK_UTILIZATION_SUM desc, IO_REQUESTS_SUM desc)
+where rownum < 101)
+order by 1,2,3,4,5;
+
+SELECT ksqdngunid DB_ID_FOR_CURRENT_DB FROM X$KSQDN;
+
+PROMPT
+PROMPT CELL THREAD HISTORY - LAST FEW MINUTES
+PROMPT
+PROMPT This query only works in 12.1 and above.
+select * from (
+select count(*), sql_id, cell_name, job_type, database_id, instance_id
+from v$cell_thread_history
+where wait_state not in ('waiting_for_SKGXP_receive','waiting_for_connect','looking_for_job')
+group by sql_id, cell_name, job_type, database_id, instance_id
+order by 1 desc, 2, 3)
+where rownum < 51;
+
+PROMPT
+PROMPT CELL CONFIG
+PROMPT
+select cellname, XMLTYPE.createXML(confval) confval
+from v$cell_config
+where conftype='CELL';
+
+PROMPT
+PROMPT IORM CONFIG
+PROMPT
+select cellname, XMLTYPE.createXML(confval) confval
+from v$cell_config
+where conftype='IORM';
+
+select to_char(sysdate,'Mondd hh24:mi:ss') TIME from dual;
+
+spool off
+
+PROMPT
+PROMPT OUTPUT FILE IS: cellperfdiag_&&dbname&&timestamp&&suffix
+PROMPT
+