Enhancements to Existing Features › Options › Option for IMS › Configuration Options - Parmlib Member IMSLOGR

Configuration Options - Parmlib Member IMSLOGR

The configuration options member IMSLOGR has been enhanced to include the following options:

ACTIVATE-DC-MONITOR

Specifies if the IMSLOGR is to activate the DC Monitor intercept. The DC Monitor intercept traces detailed transaction activity and adds the information to the IMS transaction SMF records created by CA SYSVIEW.

The following options provide more information regarding controlling the level of monitored detail:

• PROCESS-DCM-TYPE
• PROCESS-DCBMP-TYPE
• PROCESS-DCDBT-TYPE

Default = No

Note: Activating the DC Monitor can lead to increased CPU time in IMS transactions.

LOG-PLOT-IMS-REGIONS

Logs hourly IMS region data records to the PLOT log stream.

Default = NO

PROCESS-DCBMP-TYPE

Specifies the event code of the IMS events you would like to monitor for IMS BMP regions. For more information and a list of event codes, see the description of the PROCESS-DCM-TYPE option.

Default = NONE

Note: Monitoring of some event types can lead to increased CPU time in IMS BMPs.

Syntax:

PROCESS-DCBMP-TYPE  x4E:xcc:SET

PROCESS-DCBMP-TYPE  x4E:xcc:RESET

cc

Specifies the event code

SET

Indicates to monitor the event code.

RESET

Indicates not to monitor the event code.

PROCESS-DCDBT-TYPE

Specifies the event code of the IMS events you would like to monitor for CICS DBT IMS regions.

For more information and a list of event codes, see the description of the PROCESS-DCM-TYPE option.

Default = NONE

Note: Monitoring of some event types can lead to increased CPU time in IMS DBT regions.

Syntax

PROCESS-DCDBT-TYPE  x4E:xcc:SET

PROCESS-DCDBT-TYPE  x4E:xcc:RESET

cc

Specifies the event code.

SET

Indicates to monitor the event code.

RESET

Indicates not to monitor the event code.

PROCESS-DCM-TYPE

Specifies the event code of the IMS events you would like to monitor for message driven IMS regions. Event monitoring provides detailed information such as event counts and elapsed event times to be included in the IMS Transaction and Region Summary records.

The default values enable the calculation and display of the Region Occupancy Ratio on the IMSREGNS display.

Default = x14,x15,x38,x39

Note: Monitoring of some event types can lead to increased CPU time in IMS transactions and IMS message processing regions.

Syntax:

PROCESS-DCM-TYPE  x4E:xcc:SET

PROCESS-DCM-TYPE  x4E:xcc:RESET

cc

Specifies the event code.

SET

Indicates to monitor the event code.

RESET

Indicates not to monitor the event code.

Codes       Event Monitored
---------   ----------------
x14, x15  - Scheduler IWAITs
x20, x21  - Storage IWAITs
x22, x23  - OSAM I/O IWAITs
x24, x25  - VSAM I/O IWAITs
x28, x29  - VSAM I/O IWAITs
x38, x39  - FASTPATH message IWAITs
x43       - FASTPATH buffer activity
x47       - BALG dequeues
x48, x49  - External Subsystem calls ( DB2 and WMQ )
x56       - MSDB write IWAITs
x57       - DEDB read IWAITs
x58, x59  - FASTPATH activity for DB and msg calls
x62, x63  - IMS DB DL/I calls
x64, x65  - IMS MSG DL/I calls
x66, x67  - PI Enqueue IWAITs
x68, x69  - DEDB Lock IWAITs
x70, x71  - ICAL DL/I calls
x72       - DEDB OTHREAD IWAITs
x78, x79  - SYNC Callout
x84, x85  - VSO Area Castout
x88, x89  - VSO Preload

To monitor multiple event codes, specify multiple PROCESS-DCM-TYPE options. One option for each code.

For example, to monitor only IMS DB DL/I calls:

1. Turn off all events (to clear the default values).
2. Specify the desired event codes:

   PROCESS-DCM-TYPE  x4E:*:RESET
   PROCESS-DCM-TYPE  x4E:x62:SET
   PROCESS-DCM-TYPE  x4E:x63:SET