2026-03-12 20:23:15

tpt/lpstat.sql

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+-- 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.
+
+--------------------------------------------------------------------------------
+--
+-- File name:   lpstat.sql
+-- Purpose:     Show large pool stats by sub-pool from X$KSMLS
+--
+-- Author:      Tanel Poder
+-- Copyright:   (c) https://tanelpoder.com
+--              
+-- Usage:       @lpstat <statistic name>
+-- 	            @lpstat "free memory"
+--	            @lpstat cursor
+--
+-- Other:       The other script for querying V$SGASTAT is called sgastat.sql
+--              and shows many more pools of interest (but not break down by subpool) 
+--              
+--
+--------------------------------------------------------------------------------
+
+COL lpstat_subpool HEAD SUBPOOL FOR a30
+
+PROMPT
+PROMPT -- Subpool sizes:
+
+SELECT
+    'large pool ('||NVL(DECODE(TO_CHAR(ksmdsidx),'0','0 - Unused',ksmdsidx), 'Total')||'):'  lpstat_subpool
+  , SUM(ksmsslen) bytes
+  , ROUND(SUM(ksmsslen)/1048576,2) MB
+FROM 
+    x$ksmls
+WHERE
+    ksmsslen > 0
+--AND ksmdsidx > 0 
+GROUP BY ROLLUP
+   ( ksmdsidx )
+ORDER BY
+    lpstat_subpool ASC
+/
+
+BREAK ON lpstat_subpool SKIP 1
+PROMPT -- Allocations matching "&1":
+
+SELECT 
+    subpool lpstat_subpool
+  , name
+  , SUM(bytes)                  
+  , ROUND(SUM(bytes)/1048576,2) MB
+FROM (
+    SELECT
+        'large pool ('||DECODE(TO_CHAR(ksmdsidx),'0','0 - Unused',ksmdsidx)||'):'      subpool
+      , ksmssnam      name
+      , ksmsslen      bytes
+    FROM 
+        x$ksmls
+    WHERE
+        ksmsslen > 0
+    AND LOWER(ksmssnam) LIKE LOWER('%&1%')
+)
+GROUP BY
+    subpool
+  , name
+ORDER BY
+    subpool    ASC
+  , SUM(bytes) DESC
+/
+
+BREAK ON lpstat_subpool DUP