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Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
COUBK
Control Block Contents
COUBK DSECT
Cross Reference (Contains links to field and bit definitions)
COUBK Prolog
NAME : HCPCOUBK DESCRIPTION: CPU-Counter-Set Controls DSECT : COUBK FUNCTION : Mapping of the CPU-Counter-Set Controls which is used to Activate and Deactivate CPU-Measurement Facility counter sets. LOCATED BY : This control block is not allocated, but overlays existing storage (such as SAVEWRK). CREATED BY : This control block is not allocated, so it does not get created. DELETED BY : This control block is not allocated, so it does not get deleted. REFERENCES : none SERIALIZED : N/A RELOCATION CONSIDERATIONS : None COMPATIBILITY AND MIGRATION CONCERNS : The format of this control block is defined in "The Set-Program-Parameter and CPU-Measurement Facilities" book and should not be modified.
COUBK Control Block Content
COUBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure COUBK CPU-Counter-Set Controls 0000 0 Signed 4 * Reserved for IBM use 0004 4 Bitstring 2 COUENAC Enable Controls (see QCIAC in HCPQCIBK COPY for definition of bits) 0006 6 Bitstring 2 COUACTC Activation Controls (see QCIAC in HCPQCIBK COPY for definition of bits) 00000001 COUSIZE (*-COUBK+7)/8 size in double words 00000008 COUBSIZE COUSIZE*8 size in bytes
COUBK Storage Layout
*** COUBK - CPU-Counter-Set Controls * * +---------------------------+-------------+-------------+ * 0 |///////////////////////////| COUENAC | COUACTC | * +---------------------------+-------------+-------------+ * 8 * *** COUBK - CPU-Counter-Set Controls
COUBK Cross Reference
Symbol Dspl Value -------------- ---- ----- COUACTC 0006 COUBSIZE 0006 00000008 COUENAC 0004 COUSIZE 0006 00000001
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