(MIA) ANALYZE Command-Analyze and Display Delay Information

The ANALYZE command provides a real-time global picture of tape device allocation delays. Use of the ANALYZE command requires SETOPTION DDN=ON.
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The ANALYZE command provides a real-time global picture of tape device allocation delays. Use of the ANALYZE command requires SETOPTION DDN=ON.
Scope:
Global
Use the ANALYZE TAPEDELAY SUMMARY subcommand to:
  • View the global impact of a task owning device allocation locks for an extended period of time
  • View all systems where a WAIT/NOHOLD scenario is occurring
Use the ANALYZE TAPEDELAY DETAIL subcommand to:
  • View diagnostic information for delays matching user specified parameters
  • Determine which tasks are waiting behind specific owners
This command has the following format:
ANALYZE TAPEDELAY [SUMMARY] [DETAIL=([DISPLAYCOUNT={
nn
| ALL}] [{JOBNAME=(
jobname
[,TCB=
tcb
]) | ASID=(
asid
[,TCB=
tcb
])}] [ROLE={
OWNER
| WAITER | ALL}] [SYSTEM=
system
] [TYPE={CONTENTION | WAITNOHOLD |
ALL
}])]
  • SUMMARY
    (Optional) Displays a summary of all global tape device allocation delays that CA MIA has detected.
  • DETAIL
    (Optional) Displays detailed information about global tape device allocation delays that CA MIA has detected.
    • DISPLAYCOUNT
      Controls the number of waiters and owners displayed.
  • For TYPE=CONTENTION events this controls the number of waiters displayed.
  • For TYPE=WAITNOHOLD events this controls the number of owners and waiters displayed.
Default:
DISPLAYCOUNT=5
Range:
1-99
    • JOBNAME
      Limits the display to only jobs with a specific jobname that are of TYPE=CONTENTION.
    • ASID
      Limits the detailed display to only jobs with a specific ASID that are of TYPE=CONTENTION.
    • TCB
      Limits the display to only tasks with a specific TCB that are of TYPE=CONTENTION. Specifying TCB requires ASID or JOBNAME to be specified.
    • ROLE
      Limits the display to only ASIDs with a role of OWNER, WAITER or ALL.
      Default:
      ROLE=OWNER
    • SYSTEM
      Limits the display to jobs on a specific system. The system can be input as the CA MIA system name, system alias, or system index.
    • TYPE
      Limits the display to CONTENTION delays, WAITNOHOLD delays, or ALL.
      Default:
      TYPE=ALL