MVS IO Variable Class

This section describes variable information for class IO on system MVS.

Syntax:

MVS [record-type] IO variable-name | data

ID Option

The record type of an IO variable determines which ID options can be used with the variable, as follows:

No ID options can be used with MVS SYSTEM IO variables.
The following ID options can be used with MVS JOB IO and MVS STEP IO variables: JOBID, STEPID

Variable information is provided in the following table:

Record Type	Variable Name	Data	Description
JOB, STEP	CARDs	SMF30INP	Number of card-image records read
JOB, STEP	DEVCON	SMF30TCN	Total device connect time
JOB, STEP	EXCPs	SMF30TEP	Number of EXCPs
SYSTEM	INTERRUPTs	SMF70	Total number of I/O interrupts
SYSTEM	INT-SLIH	SMF70SLH	Number of I/O interrupts handled by the I/O interrupt handler
SYSTEM	INT-TPI	SMF70TPI	Number of I/O interrupts handled through the TPI instruction
JOB, STEP	TGETs	SMF30TGT	Number of TGETs
JOB, STEP	TPUTs	SMF30TPT	Number of TPUTs