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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 BRANCH<br />

TRACE BRANCH<br />

►►<br />

TRace<br />

Notes:<br />

Authorization<br />

Purpose<br />

Oper<strong>and</strong>s<br />

BRanch<br />

INTO<br />

PRI<br />

SECO<br />

HOME<br />

ASTEraddr<br />

STDhexword<br />

STOraddr<br />

ASNasn<br />

AREGareg<br />

ALEThexword<br />

ALEThexword.ALraddr<br />

(1)<br />

range<br />

1 Default range is 00000000 to 7FFFFFFF<br />

Privilege Class: G<br />

1624 z/<strong>VM</strong>: <strong>CP</strong> <strong>Comm<strong>and</strong>s</strong> <strong>and</strong> <strong>Utilities</strong> <strong>Reference</strong><br />

(1)<br />

range<br />

options<br />

Use TRACE BRANCH to trace successful branch instructions, including load PSW<br />

<strong>and</strong> SVC instructions that do not load a wait PSW.<br />

PRI<br />

restricts tracing to events in the guest’s current primary address space as<br />

pointed to by guest control register 1.<br />

SECO<br />

restricts tracing to events in the guest’s current secondary address space as<br />

pointed to by guest control register 7.<br />

HOME<br />

restricts tracing to events in the guest’s current home address space as pointed<br />

to by guest control register 13.<br />

ASTEraddr<br />

specifies that an ASN second table entry (ASTE) is to be used to locate the<br />

address space to be traced. The oper<strong>and</strong> raddr is the guest real address of the<br />

ASTE that contains the segment table origin (STO) of the address space to be<br />

traced.<br />

STDhexword<br />

specifies that a segment table designation (STD) is to be used to locate the<br />

address space to be traced. The STD contains the segment table origin (STO)<br />

of the address space to be traced.<br />

STOraddr<br />

specifies that a segment table origin (STO) is to be used to locate the address<br />

space to be traced. The oper<strong>and</strong> raddr is the segment table origin of the<br />

address space to be traced <strong>and</strong> is a guest real address.<br />

►◄

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