2026-03-12 20:23:15

idev/sess_users_by_cpu.sql

@@ -0,0 +1,73 @@
+-- +----------------------------------------------------------------------------+
+-- |                          Jeffrey M. Hunter                                 |
+-- |                      jhunter@idevelopment.info                             |
+-- |                         www.idevelopment.info                              |
+-- |----------------------------------------------------------------------------|
+-- |      Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved.       |
+-- |----------------------------------------------------------------------------|
+-- | DATABASE : Oracle                                                          |
+-- | FILE     : sess_users_by_cpu.sql                                           |
+-- | CLASS    : Session Management                                              |
+-- | PURPOSE  : List all currently connected user sessions ordered by CPU time. |
+-- | NOTE     : As with any code, ensure to test this script in a development   |
+-- |            environment before attempting to run it in production.          |
+-- +----------------------------------------------------------------------------+
+
+SET TERMOUT OFF;
+COLUMN current_instance NEW_VALUE current_instance NOPRINT;
+SELECT rpad(instance_name, 17) current_instance FROM v$instance;
+SET TERMOUT ON;
+
+PROMPT 
+PROMPT +------------------------------------------------------------------------+
+PROMPT | Report   : User Sessions Ordered by CPU                                |
+PROMPT | Instance : &current_instance                                           |
+PROMPT +------------------------------------------------------------------------+
+
+SET ECHO        OFF
+SET FEEDBACK    6
+SET HEADING     ON
+SET LINESIZE    180
+SET PAGESIZE    50000
+SET TERMOUT     ON
+SET TIMING      OFF
+SET TRIMOUT     ON
+SET TRIMSPOOL   ON
+SET VERIFY      OFF
+
+CLEAR COLUMNS
+CLEAR BREAKS
+CLEAR COMPUTES
+
+COLUMN sid               FORMAT 999999            HEADING 'SID'
+COLUMN serial_id         FORMAT 99999999          HEADING 'Serial ID'
+COLUMN session_status    FORMAT a9                HEADING 'Status'
+COLUMN oracle_username   FORMAT a18               HEADING 'Oracle User'
+COLUMN os_username       FORMAT a18               HEADING 'O/S User'
+COLUMN os_pid            FORMAT a8                HEADING 'O/S PID'
+COLUMN session_machine   FORMAT a30               HEADING 'Machine'          TRUNC
+COLUMN session_program   FORMAT a40               HEADING 'Session Program'  TRUNC
+COLUMN cpu_value         FORMAT 999,999,999,999   HEADING 'CPU'
+
+SELECT
+    s.sid           sid
+  , s.serial#       serial_id
+  , s.status        session_status
+  , s.username      oracle_username
+  , s.osuser        os_username
+  , p.spid          os_pid
+  , s.machine       session_machine
+  , s.program       session_program
+  , sstat.value     cpu_value
+FROM 
+    v$process  p
+  , v$session  s
+  , v$sesstat  sstat
+  , v$statname statname
+WHERE
+      p.addr (+)          = s.paddr
+  AND s.sid               = sstat.sid
+  AND statname.statistic# = sstat.statistic#
+  AND statname.name       = 'CPU used by this session'
+ORDER BY cpu_value DESC
+/