CA MIA Statements and Commands › (MIA) ANALYZE Command-Analyze and Display Delay Information

(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.

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