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-- 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:
-- @ashpeak <grouping_cols> <filters> <fromtime> <totime>
--
-- Example:
--
-- Other:
-- This script uses only the in-memory GV$ACTIVE_SESSION_HISTORY, use
-- @dashpeak.sql for accessiong the DBA_HIST_ACTIVE_SESS_HISTORY archive
--
--------------------------------------------------------------------------------
COL "%Total" FOR A7 JUST RIGHT
--COL p1 FOR 99999999999999
--COL p2 FOR 99999999999999
--COL p3 FOR 99999999999999
COL p1text FOR A30 word_wrap
COL p2text FOR A30 word_wrap
COL p3text FOR A30 word_wrap
COL p1hex FOR A17
COL p2hex FOR A17
COL p3hex FOR A17
COL dop FOR 99
COL AAS FOR 9999999999.9
COL log2_aas_4k FOR A14 HEAD "Log(2,AAS)" JUST LEFT
COL totalseconds HEAD "Total|Seconds" FOR 99999999
COL dist_sqlexec_seen HEAD "Distinct|Execs Seen" FOR 999999
COL event FOR A42 WORD_WRAP
COL event2 FOR A42 WORD_WRAP
COL time_model_name FOR A50 WORD_WRAP
COL program2 FOR A40 TRUNCATE
COL username FOR A20 wrap
COL obj FOR A30
COL objt FOR A50
COL sql_opname FOR A20
COL top_level_call_name FOR A30
COL wait_class FOR A15
PROMPT
PROMPT AAS by &1 within time range between &3 and &4
WITH bclass AS (SELECT /*+ INLINE */ class, ROWNUM r from v$waitstat)
SELECT
&1
, COUNT(*) * 10 totalseconds
, ROUND(COUNT(*) * 10 / NULLIF(CAST(MAX(sample_time) AS DATE) - CAST(MIN(sample_time) AS DATE),0) / 86400, 1) AAS
, LPAD(ROUND(RATIO_TO_REPORT(COUNT(*) * 10) OVER () * 100)||'%',5,' ') "%Total"
, '|'||RPAD(NVL(RPAD('#', ROUND(LOG(2,COUNT(*) * 10 / NULLIF(CAST(MAX(sample_time) AS DATE) - CAST(MIN(sample_time) AS DATE),0) / 86400), 1), '#'),' '), 12)||'|' log2_aas_4k
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.*
, u.username
, o.*
FROM
dba_hist_active_sess_history a
, dba_users u
, (SELECT
object_id,data_object_id,owner,object_name,subobject_name,object_type
, owner||'.'||object_name obj
, owner||'.'||object_name||' ['||object_type||']' objt
FROM dba_objects) o
WHERE
a.user_id = u.user_id (+)
AND a.current_obj# = o.object_id(+)
AND &2
AND sample_time BETWEEN &3 AND &4
)
GROUP BY
&1
ORDER BY
&1
/