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oracle/tpt/ash/ashpeaktop.sql

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2026-03-12 21:23:47 +01:00
-- Copyright 2020 Tanel Poder. All rights reserved. More info at https://tanelpoder.com
-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
--------------------------------------------------------------------------------
--
-- File name: ashpeak.sql
-- Purpose:
--
-- Author: Tanel Poder
-- Copyright: (c) https://tanelpoder.com
--
-- Usage:
-- @dashpeaktop <grouping_cols> <filters> <fromtime> <totime>
--
-- Example:
--
-- Other:
-- This script uses only the in-memory GV$ACTIVE_SESSION_HISTORY, use
-- @dashpeak.sql for accessiong the DBA_HIST_ACTIVE_SESS_HISTORY archive
--
--------------------------------------------------------------------------------
COL "%Total" FOR A7 JUST RIGHT
--COL p1 FOR 99999999999999
--COL p2 FOR 99999999999999
--COL p3 FOR 99999999999999
COL p1text FOR A30 word_wrap
COL p2text FOR A30 word_wrap
COL p3text FOR A30 word_wrap
COL p1hex FOR A17
COL p2hex FOR A17
COL p3hex FOR A17
COL dop FOR 99
COL AAS FOR 9999999999.9
COL log2_aas_4k FOR A14 HEAD "Log(2,AAS)" JUST LEFT
COL totalseconds HEAD "Total|Seconds" FOR 99999999
COL dist_sqlexec_seen HEAD "Distinct|Execs Seen" FOR 999999
COL event FOR A42 WORD_WRAP
COL event2 FOR A42 WORD_WRAP
COL time_model_name FOR A50 WORD_WRAP
COL program2 FOR A40 TRUNCATE
COL username FOR A20 wrap
COL obj FOR A30
COL objt FOR A50
COL sql_opname FOR A20
COL top_level_call_name FOR A30
COL wait_class FOR A15
PROMPT
PROMPT Top AAS peaks within time range between &3 and &4
WITH bclass AS (SELECT /*+ INLINE */ class, ROWNUM r from v$waitstat)
SELECT * FROM (
SELECT
&1
, COUNT(*) sessions
, COUNT(*) totalseconds
, ROUND(COUNT(*) / NULLIF(CAST(MAX(sample_time) AS DATE) - CAST(MIN(sample_time) AS DATE),0) / 86400, 1) AAS
FROM (
SELECT
TRUNC(sample_time, 'DD') dd
, TRUNC(sample_time, 'HH') hh
, TRUNC(sample_time, 'MI') mi
, TO_DATE(SUBSTR(TO_CHAR(sample_time, 'YYYY-MM-DD HH24:MI'), 1, 15)||'0', 'YYYY-MM-DD HH24:MI') mt
, CAST(sample_time AS DATE) ss
, NVL(a.event, a.session_state)||
CASE
WHEN a.event like 'enq%' AND session_state = 'WAITING'
THEN ' [mode='||BITAND(p1, POWER(2,14)-1)||']'
WHEN a.event IN (SELECT name FROM v$event_name WHERE parameter3 = 'class#')
THEN ' ['||CASE WHEN a.p3 <= (SELECT MAX(r) FROM bclass)
THEN (SELECT class FROM bclass WHERE r = a.p3)
ELSE (SELECT DECODE(MOD(BITAND(a.p3,TO_NUMBER('FFFF','XXXX')) - 17,2),0,'undo header',1,'undo data', 'error') FROM dual)
END ||']'
ELSE null
END event2 -- event is NULL in ASH if the session is not waiting (session_state = ON CPU)
, a.*
, CASE WHEN a.session_type = 'BACKGROUND' OR REGEXP_LIKE(a.program, '.*\([PJ]\d+\)') THEN
REGEXP_REPLACE(SUBSTR(a.program,INSTR(a.program,'(')), '\d', 'n')
ELSE
'('||REGEXP_REPLACE(REGEXP_REPLACE(a.program, '(.*)@(.*)(\(.*\))', '\1'), '\d', 'n')||')'
END || ' ' program2
, CASE WHEN BITAND(time_model, POWER(2, 01)) = POWER(2, 01) THEN 'DBTIME ' END
||CASE WHEN BITAND(time_model, POWER(2, 02)) = POWER(2, 02) THEN 'BACKGROUND ' END
||CASE WHEN BITAND(time_model, POWER(2, 03)) = POWER(2, 03) THEN 'CONNECTION_MGMT ' END
||CASE WHEN BITAND(time_model, POWER(2, 04)) = POWER(2, 04) THEN 'PARSE ' END
||CASE WHEN BITAND(time_model, POWER(2, 05)) = POWER(2, 05) THEN 'FAILED_PARSE ' END
||CASE WHEN BITAND(time_model, POWER(2, 06)) = POWER(2, 06) THEN 'NOMEM_PARSE ' END
||CASE WHEN BITAND(time_model, POWER(2, 07)) = POWER(2, 07) THEN 'HARD_PARSE ' END
||CASE WHEN BITAND(time_model, POWER(2, 08)) = POWER(2, 08) THEN 'NO_SHARERS_PARSE ' END
||CASE WHEN BITAND(time_model, POWER(2, 09)) = POWER(2, 09) THEN 'BIND_MISMATCH_PARSE ' END
||CASE WHEN BITAND(time_model, POWER(2, 10)) = POWER(2, 10) THEN 'SQL_EXECUTION ' END
||CASE WHEN BITAND(time_model, POWER(2, 11)) = POWER(2, 11) THEN 'PLSQL_EXECUTION ' END
||CASE WHEN BITAND(time_model, POWER(2, 12)) = POWER(2, 12) THEN 'PLSQL_RPC ' END
||CASE WHEN BITAND(time_model, POWER(2, 13)) = POWER(2, 13) THEN 'PLSQL_COMPILATION ' END
||CASE WHEN BITAND(time_model, POWER(2, 14)) = POWER(2, 14) THEN 'JAVA_EXECUTION ' END
||CASE WHEN BITAND(time_model, POWER(2, 15)) = POWER(2, 15) THEN 'BIND ' END
||CASE WHEN BITAND(time_model, POWER(2, 16)) = POWER(2, 16) THEN 'CURSOR_CLOSE ' END
||CASE WHEN BITAND(time_model, POWER(2, 17)) = POWER(2, 17) THEN 'SEQUENCE_LOAD ' END
||CASE WHEN BITAND(time_model, POWER(2, 18)) = POWER(2, 18) THEN 'INMEMORY_QUERY ' END
||CASE WHEN BITAND(time_model, POWER(2, 19)) = POWER(2, 19) THEN 'INMEMORY_POPULATE ' END
||CASE WHEN BITAND(time_model, POWER(2, 20)) = POWER(2, 20) THEN 'INMEMORY_PREPOPULATE ' END
||CASE WHEN BITAND(time_model, POWER(2, 21)) = POWER(2, 21) THEN 'INMEMORY_REPOPULATE ' END
||CASE WHEN BITAND(time_model, POWER(2, 22)) = POWER(2, 22) THEN 'INMEMORY_TREPOPULATE ' END
||CASE WHEN BITAND(time_model, POWER(2, 23)) = POWER(2, 23) THEN 'TABLESPACE_ENCRYPTION ' END time_model_name
FROM
gv$active_session_history a
WHERE
&2
AND sample_time BETWEEN &3 AND &4
)
GROUP BY
&1
ORDER BY
totalseconds DESC
)
WHERE
rownum <= 25
/