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ashmon_plan.sql
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107 lines (100 loc) · 3.88 KB
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------------------------------------------------------------------------------------------------------------------------
--
-- File name: asqlmon.sql (v1.0)
--
-- Purpose: Report SQL-monitoring-style drill-down into where in an execution plan the execution time is spent
--
-- Author: Tanel Poder
--
-- Copyright: (c) http://blog.tanelpoder.com - All rights reserved.
--
-- Disclaimer: This script is provided "as is", no warranties nor guarantees are
-- made. Use at your own risk :)
--
-- Usage: @asqlmon <sqlid> <child#>
--
-- Notes: This script runs on Oracle 11g+ and you should have the
-- Diagnostics and Tuning pack licenses for using it as it queries
-- some separately licensed views.
--
------------------------------------------------------------------------------------------------------------------------
COL asqlmon_operation FOR a100
COL asqlmon_predicates FOR a100 word_wrap
COL options FOR a30
COL asqlmon_plan_hash_value HEAD PLAN_HASH_VALUE
COL asqlmon_sql_id HEAD SQL_ID NOPRINT
COL asqlmon_sql_child HEAD CHILD# NOPRINT
COL asqlmon_sample_time HEAD SAMPLE_HOUR
COL projection FOR A500
COL pct_child HEAD "Activity %" FOR A8
COL pct_child_vis HEAD "Visual" FOR A12
COL asqlmon_id HEAD "Line ID" FOR 9999
COL asqlmon_parent_id HEAD "Parent" FOR 9999
BREAK ON asqlmon_plan_hash_value SKIP 1 ON asqlmon_sql_id SKIP 1 ON asqlmon_sql_child SKIP 1 ON asqlmon_sample_time SKIP 1 DUP ON asqlmon_operation
WITH sample_times AS (
select * from dual
),
sq AS (
SELECT
-- to_char(ash.sample_time, 'YYYY-MM-DD HH24') sample_time
count(*) samples
, ash.sql_id
, ash.sql_child_number
, ash.sql_plan_hash_value
, ash.sql_plan_line_id
, ash.sql_plan_operation
, ash.sql_plan_options
, ash.session_state
, ash.event
FROM
v$active_session_history ash
WHERE
1=1
--AND ash.session_id = 8 AND ash.session_serial# = 35019
AND ash.sql_id LIKE '&1'
AND ash.sql_child_number LIKE '%&2%'
GROUP BY
--to_char(ash.sample_time, 'YYYY-MM-DD HH24')
ash.sql_id
, ash.sql_child_number
, ash.sql_plan_hash_value
, ash.sql_plan_line_id
, ash.sql_plan_operation
, ash.sql_plan_options
, ash.session_state
, ash.event
)
SELECT
plan.sql_id asqlmon_sql_id
, plan.child_number asqlmon_sql_child
-- , plan.plan_hash_value asqlmon_plan_hash_value
, sq.samples seconds
, LPAD(TO_CHAR(ROUND(RATIO_TO_REPORT(sq.samples) OVER (PARTITION BY sq.sql_id, sq.sql_plan_hash_value) * 100, 1), 999.9)||' %',8) pct_child
, '|'||RPAD( NVL( LPAD('#', ROUND(RATIO_TO_REPORT(sq.samples) OVER (PARTITION BY sq.sql_id, sq.sql_plan_hash_value) * 10), '#'), ' '), 10,' ')||'|' pct_child_vis
--, sq.sample_time asqlmon_sample_time
--, LPAD(plan.id,4)||CASE WHEN parent_id IS NULL THEN ' ' ELSE ' <- ' END||LPAD(plan.parent_id,4) asqlmon_plan_id
, plan.id asqlmon_id
, plan.parent_id asqlmon_parent_id
, LPAD(' ', depth) || plan.operation ||' '|| plan.options || NVL2(plan.object_name, ' ['||plan.object_name ||']', null) asqlmon_operation
, sq.session_state
, sq.event
, plan.object_alias || CASE WHEN plan.qblock_name IS NOT NULL THEN ' ['|| plan.qblock_name || ']' END obj_alias_qbc_name
, CASE WHEN plan.access_predicates IS NOT NULL THEN '[A:] '|| plan.access_predicates END || CASE WHEN plan.filter_predicates IS NOT NULL THEN ' [F:]' || plan.filter_predicates END asqlmon_predicates
, plan.projection
FROM
v$sql_plan plan
, sq
WHERE
1=1
AND sq.sql_id(+) = plan.sql_id
AND sq.sql_child_number(+) = plan.child_number
AND sq.sql_plan_line_id(+) = plan.id
AND sq.sql_plan_hash_value(+) = plan.plan_hash_value
AND plan.sql_id LIKE '&1'
AND plan.child_number LIKE '%&2%'
ORDER BY
--sq.sample_time
plan.child_number
, plan.plan_hash_value
, plan.id
/