2026-03-12 20:23:15
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star/dashtop.sql
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star/dashtop.sql
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-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
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-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
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--------------------------------------------------------------------------------
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--
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-- File name: dashtop.sql v1.2
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-- Purpose: Display top ASH time (count of ASH samples) grouped by your
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-- specified dimensions
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--
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-- Author: Tanel Poder
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-- Copyright: (c) http://blog.tanelpoder.com
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--
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-- Usage:
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-- @dashtop <grouping_cols> <filters> <fromtime> <totime>
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--
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-- Example:
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-- @dashtop username,sql_id session_type='FOREGROUND' sysdate-1/24 sysdate
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--
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-- Other:
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-- This script uses only the AWR's DBA_HIST_ACTIVE_SESS_HISTORY, use
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-- @dashtop.sql for accessiong the V$ ASH view
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--
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--
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-- TODO:
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-- Deal with cases where there's no AWR snapshot saved to DBA_HIST_SNAPSHOTS
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-- (due to a DB issue) but DBA_HIST_ASH samples are there
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--------------------------------------------------------------------------------
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COL "%This" FOR A7
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--COL p1 FOR 99999999999999
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--COL p2 FOR 99999999999999
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--COL p3 FOR 99999999999999
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COL p1text FOR A30 word_wrap
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COL p2text FOR A30 word_wrap
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COL p3text FOR A30 word_wrap
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COL p1hex FOR A17
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COL p2hex FOR A17
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COL p3hex FOR A17
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COL AAS FOR 9999.9
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COL totalseconds HEAD "Total|Seconds" FOR 99999999
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COL dist_sqlexec_seen HEAD "Distinct|Execs Seen"
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COL event FOR A42 WORD_WRAP
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COL event2 FOR A46 WORD_WRAP
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COL time_model_name FOR A50 WORD_WRAP
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COL program2 FOR A40 TRUNCATE
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COL username FOR A20 wrap
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COL obj FOR A30
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COL objt FOR A50
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COL sql_opname FOR A20
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COL top_level_call_name FOR A30
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COL wait_class FOR A15
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SELECT * FROM (
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WITH bclass AS (SELECT class, ROWNUM r from v$waitstat)
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SELECT /*+ LEADING(a) USE_HASH(u) */
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10 * COUNT(*) "TotalSeconds"
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, ROUND(10 * COUNT(*) / ((CAST(&4 AS DATE) - CAST(&3 AS DATE)) * 86400), 1) AAS
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, LPAD(ROUND(RATIO_TO_REPORT(COUNT(*)) OVER () * 100)||'%',5,' ') "%This"
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, &1
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-- , 10 * SUM(CASE WHEN wait_class IS NULL THEN 1 ELSE 0 END) "CPU"
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-- , 10 * SUM(CASE WHEN wait_class ='User I/O' THEN 1 ELSE 0 END) "User I/O"
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-- , 10 * SUM(CASE WHEN wait_class ='Application' THEN 1 ELSE 0 END) "Application"
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-- , 10 * SUM(CASE WHEN wait_class ='Concurrency' THEN 1 ELSE 0 END) "Concurrency"
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-- , 10 * SUM(CASE WHEN wait_class ='Commit' THEN 1 ELSE 0 END) "Commit"
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-- , 10 * SUM(CASE WHEN wait_class ='Configuration' THEN 1 ELSE 0 END) "Configuration"
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-- , 10 * SUM(CASE WHEN wait_class ='Cluster' THEN 1 ELSE 0 END) "Cluster"
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-- , 10 * SUM(CASE WHEN wait_class ='Idle' THEN 1 ELSE 0 END) "Idle"
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-- , 10 * SUM(CASE WHEN wait_class ='Network' THEN 1 ELSE 0 END) "Network"
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-- , 10 * SUM(CASE WHEN wait_class ='System I/O' THEN 1 ELSE 0 END) "System I/O"
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-- , 10 * SUM(CASE WHEN wait_class ='Scheduler' THEN 1 ELSE 0 END) "Scheduler"
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-- , 10 * SUM(CASE WHEN wait_class ='Administrative' THEN 1 ELSE 0 END) "Administrative"
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-- , 10 * SUM(CASE WHEN wait_class ='Queueing' THEN 1 ELSE 0 END) "Queueing"
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-- , 10 * SUM(CASE WHEN wait_class ='Other' THEN 1 ELSE 0 END) "Other"
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, TO_CHAR(MIN(sample_time), 'YYYY-MM-DD HH24:MI:SS') first_seen
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, TO_CHAR(MAX(sample_time), 'YYYY-MM-DD HH24:MI:SS') last_seen
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FROM
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(SELECT
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a.*
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, TO_CHAR(CASE WHEN session_state = 'WAITING' THEN p1 ELSE null END, '0XXXXXXXXXXXXXXX') p1hex
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, TO_CHAR(CASE WHEN session_state = 'WAITING' THEN p2 ELSE null END, '0XXXXXXXXXXXXXXX') p2hex
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, TO_CHAR(CASE WHEN session_state = 'WAITING' THEN p3 ELSE null END, '0XXXXXXXXXXXXXXX') p3hex
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, NVL(event, session_state)||
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CASE
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WHEN event like 'enq%' AND session_state = 'WAITING'
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THEN ' [mode='||BITAND(p1, POWER(2,14)-1)||']'
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WHEN a.event IN (SELECT name FROM v$event_name WHERE parameter3 = 'class#')
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THEN ' ['||CASE WHEN a.p3 <= (SELECT MAX(r) FROM bclass)
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THEN (SELECT class FROM bclass WHERE r = a.p3)
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ELSE (SELECT DECODE(MOD(BITAND(a.p3,TO_NUMBER('FFFF','XXXX')) - 17,2),0,'undo header',1,'undo data', 'error') FROM dual)
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END ||']'
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ELSE null
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END event2 -- event is NULL in ASH if the session is not waiting (session_state = ON CPU)
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, CASE WHEN a.session_type = 'BACKGROUND' OR REGEXP_LIKE(a.program, '.*\([PJ]\d+\)') THEN
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REGEXP_REPLACE(SUBSTR(a.program,INSTR(a.program,'(')), '\d', 'n')
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ELSE
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'('||REGEXP_REPLACE(REGEXP_REPLACE(a.program, '(.*)@(.*)(\(.*\))', '\1'), '\d', 'n')||')'
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END || ' ' program2
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, CASE WHEN BITAND(time_model, POWER(2, 01)) = POWER(2, 01) THEN 'DBTIME ' END
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||CASE WHEN BITAND(time_model, POWER(2, 02)) = POWER(2, 02) THEN 'BACKGROUND ' END
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||CASE WHEN BITAND(time_model, POWER(2, 03)) = POWER(2, 03) THEN 'CONNECTION_MGMT ' END
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||CASE WHEN BITAND(time_model, POWER(2, 04)) = POWER(2, 04) THEN 'PARSE ' END
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||CASE WHEN BITAND(time_model, POWER(2, 05)) = POWER(2, 05) THEN 'FAILED_PARSE ' END
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||CASE WHEN BITAND(time_model, POWER(2, 06)) = POWER(2, 06) THEN 'NOMEM_PARSE ' END
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||CASE WHEN BITAND(time_model, POWER(2, 07)) = POWER(2, 07) THEN 'HARD_PARSE ' END
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||CASE WHEN BITAND(time_model, POWER(2, 08)) = POWER(2, 08) THEN 'NO_SHARERS_PARSE ' END
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||CASE WHEN BITAND(time_model, POWER(2, 09)) = POWER(2, 09) THEN 'BIND_MISMATCH_PARSE ' END
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||CASE WHEN BITAND(time_model, POWER(2, 10)) = POWER(2, 10) THEN 'SQL_EXECUTION ' END
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||CASE WHEN BITAND(time_model, POWER(2, 11)) = POWER(2, 11) THEN 'PLSQL_EXECUTION ' END
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||CASE WHEN BITAND(time_model, POWER(2, 12)) = POWER(2, 12) THEN 'PLSQL_RPC ' END
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||CASE WHEN BITAND(time_model, POWER(2, 13)) = POWER(2, 13) THEN 'PLSQL_COMPILATION ' END
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||CASE WHEN BITAND(time_model, POWER(2, 14)) = POWER(2, 14) THEN 'JAVA_EXECUTION ' END
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||CASE WHEN BITAND(time_model, POWER(2, 15)) = POWER(2, 15) THEN 'BIND ' END
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||CASE WHEN BITAND(time_model, POWER(2, 16)) = POWER(2, 16) THEN 'CURSOR_CLOSE ' END
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||CASE WHEN BITAND(time_model, POWER(2, 17)) = POWER(2, 17) THEN 'SEQUENCE_LOAD ' END
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||CASE WHEN BITAND(time_model, POWER(2, 18)) = POWER(2, 18) THEN 'INMEMORY_QUERY ' END
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||CASE WHEN BITAND(time_model, POWER(2, 19)) = POWER(2, 19) THEN 'INMEMORY_POPULATE ' END
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||CASE WHEN BITAND(time_model, POWER(2, 20)) = POWER(2, 20) THEN 'INMEMORY_PREPOPULATE ' END
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||CASE WHEN BITAND(time_model, POWER(2, 21)) = POWER(2, 21) THEN 'INMEMORY_REPOPULATE ' END
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||CASE WHEN BITAND(time_model, POWER(2, 22)) = POWER(2, 22) THEN 'INMEMORY_TREPOPULATE ' END
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||CASE WHEN BITAND(time_model, POWER(2, 23)) = POWER(2, 23) THEN 'TABLESPACE_ENCRYPTION ' END time_model_name
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FROM dba_hist_active_sess_history a) a
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, dba_users u
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, (SELECT
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object_id,data_object_id,owner,object_name,subobject_name,object_type
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, owner||'.'||object_name obj
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, owner||'.'||object_name||' ['||object_type||']' objt
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FROM dba_objects) o
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WHERE
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a.user_id = u.user_id (+)
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AND a.current_obj# = o.object_id(+)
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AND &2
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AND a.sample_time BETWEEN &3 AND &4
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AND a.dbid = (SELECT d.dbid FROM v$database d) -- for partition pruning
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--AND a.snap_id IN (SELECT sn.snap_id FROM dba_hist_snapshot sn WHERE sn.begin_interval_time >= &3 AND sn.end_interval_time <= &4) -- for partition pruning
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AND snap_id IN (SELECT snap_id FROM dba_hist_snapshot WHERE sample_time BETWEEN &3 AND &4) -- for partition pruning
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--AND (a.dbid, a.snap_id) IN (SELECT d.dbid, sn.snap_id FROM v$database d, dba_hist_snapshot sn WHERE d.dbid = sn.dbid AND sn.begin_interval_time >= &3 AND sn.end_interval_time <= &4) -- for partition pruning
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GROUP BY
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&1
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ORDER BY
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"TotalSeconds" DESC
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, &1
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)
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WHERE
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ROWNUM <= 20
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/
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