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z/VM: CP Commands and Utilities Reference - z/VM - IBM

z/VM: CP Commands and Utilities Reference - z/VM - IBM

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TRACE I/O<br />

Usage Notes<br />

Responses<br />

1640 z/<strong>VM</strong>: <strong>CP</strong> <strong>Comm<strong>and</strong>s</strong> <strong>and</strong> <strong>Utilities</strong> <strong>Reference</strong><br />

NOSIM<br />

specifies suppression of instruction simulation. Program interrupts for guest<br />

PER events are also suppressed. By using NOSIM <strong>and</strong> the CMD option, you<br />

can define a <strong>CP</strong> comm<strong>and</strong> or set of <strong>CP</strong> comm<strong>and</strong>s to be processed in place of<br />

the suppressed instruction. The PSW is left pointing to the next sequential<br />

instruction.<br />

INTerrupt<br />

specifies tracing of I/O interrupts for a TRACE I/O comm<strong>and</strong>. If neither<br />

INSTRUCTION nor CCW nor INTERRUPT is specified, INSTRUCTION <strong>and</strong><br />

INTERRUPT are assumed.<br />

options<br />

For an explanation of the options, see “TRACE: Options” on page 1604.<br />

1. For z/<strong>VM</strong> I/O, the device range applies to the device number, <strong>and</strong> not the<br />

subchannel number.<br />

2. I/O interrupt addresses are not subject to the instruction range (if any) specified<br />

by PSWA, FROM, or RANGE.<br />

3. For more information, see “Usage Notes” on page 1601.<br />

For more information, see “Usage Notes” on page 1601.

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