This screen displays a history of Load-Index levels for a specific Load-Index over time. The list displays changes in the calculated level, as well as every manual action — override, release of override, or new note. In addition, if no change in load level and no action is detected for at least 15 minutes, a new entry is added at calculation time to indicate the current load level.
Calculations are performed at the following times:
When Control-M is activated — Load-Indexes (not including those of type External) are initially set to IDLE, and immediately afterwards current levels are calculated.
At an interval defined by the OPTLINDR parameter (as described in Optimization section in the INCONTROL for z/OS Installation Guide: Customizing). This interval defines the number of minutes of every hour (HH:MM) at which data is calculated. For example, if OPTLINDR is set to 9 minutes (540 seconds), calculations are performed at HH:00, HH:09, HH:18, HH:27, HH:36, HH:45, and HH:54 of every hour.
Whenever you manually create, modify, or delete a Load-Index through the Load-Indexes Definition screen, and then save and APPLY your changes. In addition, whenever you enter the APPLY command through the Load-Indexes Definition screen.
For example, you modify the Load-Indexes and apply your changes twice between 9 AM and 10 AM — once at 09:19 and again at 09:37. With an interval of 11 minutes (defined by the OPTLINDR parameter), calculations are performed during that hour at the following times: 09:00, 09:11, 09:19, 09:22, 09:33, 09:37, 09:44, 09:55, and 10:00.
You enter the Load-Index History screen from the Load-Indexes Status screen by entering option H for a specific Load-Index.
2020/06/10 13:20 CONTROLM CALC BASED ON ACCUMULATION S V-HIGH
2020/06/10 13:19 U05A RELEASE OVERRIDE R V-HIGH
2020/06/10 13:18 CONTROLM CALC BASED ON ACCUMULATION (S) LOW
2020/06/10 13:17 U05A OVERRIDE TO LOW O LOW
2020/06/10 13:13 CONTROLM CALC BASED ON ACCUMULATION S V-HIGH
2020/06/10 12:55 CONTROLM CALC BASED ON ACCUMULATION S CRITICAL
2020/06/10 12:53 CONTROLM CALC BASED ON ACCUMULATION S LOW
2020/06/10 12:53 CONTROLM LOAD-INDEX CALCULATION ACTIVE. A IDLE
====== >>>>>>>>>>>>>>>>>>>> END OF HISTORY LIST <<<<<<<<<<<<<<<<<<<< ======
OPT: ? LOAD-INDEX LEVEL CALCULATION
The table on this screen displays the following columns of data:
Table 155n Columns on the Load-Index History screen
Field
Description
O (OPT)
A field for entering management options
To display details of the Load-Index calculations on the Load-Index Calculation Details screen, type ? in the OPT field to the left of a Load-Index level entry with a measurement action (the letter S in the ACT field), and press Enter.
DATE
Date of the entry, when data was calculated or a change was initiated
TIME
Time of the entry, when data was calculated or a change was initiated
SET BY
Origin of the value that was set — CONTROLM, user ID, or console name
NOTE
The textual note associated with the action (if a note exists)
ACT
The type of action that occurred, impacting the level of the Load-Index, one of the following:
A — activation or inactivation of Control-M, when levels of Load-Indexes (not including those of type External) are temporarily set to IDLE
S — set based on one of the following:
• measured values (for Load-Index types UTIL and 4HRA)
• values obtained from an external utility (for Load-Index type External), as done through the CTMAPI or modify commands
Note: When an override is in place, the S appears in parentheses, and the overridden, effective load level is displayed. For the actual, calculated load level at such times, use the ? option.
