46 lines
1.7 KiB
MySQL
46 lines
1.7 KiB
MySQL
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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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COL wait_class FOR a15
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COL event FOR a55
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COL time_range HEAD "WAIT_TIM_BUCKET_US+" FOR 999,999,999,999
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COL avg_wait_us HEAD "AVG_WAIT_IN_BKT_US" FOR 999,999,999,999
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COL pct_event FOR a9
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COL pct_total FOR a9
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BREAK ON event SKIP 1 DUPLICATES
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-- TODO: ignore latest sample (0 waits)
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SELECT
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session_state state
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, wait_class
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, event
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, ROUND(AVG(time_waited)) avg_wait_us
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, POWER(2,TRUNC(LOG(2,CASE WHEN time_waited < 1 THEN NULL ELSE time_waited END))) time_range
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, COUNT(*) samples
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, LPAD(TO_CHAR(TO_NUMBER(ROUND(RATIO_TO_REPORT(COUNT(*)) OVER (PARTITION BY session_state, wait_class, event) * 100, 1), 999.9))||' %',8) pct_event
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, '|'||RPAD( NVL( LPAD('#', ROUND(RATIO_TO_REPORT(COUNT(*)) OVER (PARTITION BY session_state, wait_class, event) * 10), '#'), ' '), 10,' ')||'|' pct_event_vis
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, LPAD(TO_CHAR(TO_NUMBER(ROUND(RATIO_TO_REPORT(COUNT(*)) OVER () * 100, 1), 999.9))||' %',8) pct_total
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, '|'||RPAD( NVL( LPAD('#', ROUND(RATIO_TO_REPORT(COUNT(*)) OVER () * 10), '#'), ' '), 10,' ')||'|' pct_total_vis
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FROM
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gv$active_session_history
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--DBA_HIST_ACTIVE_SESS_HISTORY
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WHERE
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1=1
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AND sample_time BETWEEN TIMESTAMP'2011-10-25 08:24:00' AND TIMESTAMP'2011-10-25 08:30:00'
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AND (UPPER(wait_class) LIKE UPPER('%&1%') OR UPPER(event) LIKE UPPER('%&1%'))
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GROUP BY
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session_state
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, wait_class
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, event
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, POWER(2,TRUNC(LOG(2,CASE WHEN time_waited < 1 THEN NULL ELSE time_waited END)))
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ORDER BY
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session_state
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, wait_class
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, event
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, time_range NULLS FIRST
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, samples DESC
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/
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