2026-03-12 20:23:15

tpt/ash/gashtop.sql

@@ -0,0 +1,66 @@
+-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
+-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
+
+-- usage: @ashtop sql_id
+
+COL ash_from_date NEW_VALUE ash_from_date
+COL ash_to_date   NEW_VALUE ash_to_date
+
+-- This was too much!
+--SELECT 
+--    regexp_replace('&3','^-([0-9]*)(.)$', ' sysdate - \1 / ', 1, 0, 'i')
+--        ||decode(regexp_replace('&3', '^-[0-9]*(.)$', '\1', 1, 0, 'i'),
+--            'd', '1', 
+--            'h', '24', 
+--            'm','24/60',
+--            's','24/60/60', 
+--            ''
+--          ) ash_from_date, 
+--    regexp_replace(regexp_replace('&4', '^now$', 'sysdate'),'^-([0-9]*)(.)$', ' sysdate - \1 / ', 1, 0, 'i')
+--        ||decode(regexp_replace(regexp_replace('&4', '^now$', 'sysdate'), '^-[0-9]*(.)$', '\1', 1, 0, 'i'),
+--            'd', '1', 
+--            'h', '24', 
+--            'm','24/60',
+--            's','24/60/60', 
+--            ''
+--          ) ash_to_date 
+--from 
+--    dual
+--/
+
+SELECT * FROM (
+    SELECT
+        LPAD(ROUND(RATIO_TO_REPORT(COUNT(*)) OVER () * 100)||'%',5,' ') "%This"
+      , &1
+      , COUNT(*)                                                     "TotalSeconds"
+      , SUM(CASE WHEN wait_class IS NULL           THEN 1 ELSE 0 END) "CPU"
+      , SUM(CASE WHEN wait_class ='User I/O'       THEN 1 ELSE 0 END) "User I/O"
+      , SUM(CASE WHEN wait_class ='Application'    THEN 1 ELSE 0 END) "Application"
+      , SUM(CASE WHEN wait_class ='Concurrency'    THEN 1 ELSE 0 END) "Concurrency"
+      , SUM(CASE WHEN wait_class ='Commit'         THEN 1 ELSE 0 END) "Commit"
+      , SUM(CASE WHEN wait_class ='Configuration'  THEN 1 ELSE 0 END) "Configuration"
+      , SUM(CASE WHEN wait_class ='Cluster'        THEN 1 ELSE 0 END) "Cluster"
+      , SUM(CASE WHEN wait_class ='Idle'           THEN 1 ELSE 0 END) "Idle"
+      , SUM(CASE WHEN wait_class ='Network'        THEN 1 ELSE 0 END) "Network"
+      , SUM(CASE WHEN wait_class ='System I/O'     THEN 1 ELSE 0 END) "System I/O"
+      , SUM(CASE WHEN wait_class ='Scheduler'      THEN 1 ELSE 0 END) "Scheduler"
+      , SUM(CASE WHEN wait_class ='Administrative' THEN 1 ELSE 0 END) "Administrative"
+      , SUM(CASE WHEN wait_class ='Queueing'       THEN 1 ELSE 0 END) "Queueing"
+      , SUM(CASE WHEN wait_class ='Other'          THEN 1 ELSE 0 END) "Other"
+    FROM
+        gv$active_session_history a
+      , dba_users u
+    WHERE
+        a.user_id = u.user_id (+)
+    AND &2
+    AND sample_time BETWEEN &3 AND &4
+    GROUP BY
+        &1
+    ORDER BY
+        "TotalSeconds" DESC
+       , &1
+)
+WHERE
+    ROWNUM <= 20
+/
+