MWTBK Back to Index page
 
Prolog 
Control Block Contents 
   MWTBK DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.


  MWTBK Prolog Top of page
 
 NAME       : HCPMWTBK
 DESCRIPTION: Monitor Writer Control Record Block
 DSECT      : MWTBK
 FUNCTION   : The monitor writer control record is the record
              that describes the monitor data stored
              immediately after this record in the output file
              created by the monitor writer.
 LOCATED BY : none.
 CREATED BY : HCPMOWTR, monitor writer function (MONWRITE)
 DELETED BY : none.
 RELOCATION CONSIDERATIONS : None
 
 
  MWTBK Control Block Content Top of page
 

 MWTBK DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure MWTBK Monitor Writer Control Record Block 0000 0 Bitstring 40 MWTEXTBF Message pending external interrupt buffer. This is mapped by the IPARML control block. 0028 40 Bitstring 4056 MWTCAREA Control area for Monitor data that follows this record. 0028 40 Signed 4 MWTCAENT (3) Control area entry 0028 40 Signed 4 MWTCADOM Domain information 002C 44 Signed 4 MWTCASTR Start address for the monitor records associated with this control area entry. 0030 48 Signed 4 MWTCAEND End address for the monitor records associated with this control area entry. 0000000C MWTCALEN *-MWTCAENT Length of each control area entry 0028 40 Bitstring 1 MWTCAFLG Type of monitor data 000000E2 MWTCASMP X'E2' MWTCASMP Sample data 000000C5 MWTCAEVT X'C5' MWTCAEVT Event data 0029 41 Bitstring 1 MWTCADMA Domains whose data is given in this control area entry 1... .... MWTSYSTM X'80' MWTSYSTM System domain .1.. .... MWTMONTR X'40' MWTMONTR Monitor domain ..1. .... MWTSCHED X'20' MWTSCHED Scheduler domain ...1 .... MWTSTORE X'10' MWTSTORE Storage domain .... 1... MWTUSER X'08' MWTUSER User domain .... .1.. MWTPROC X'04' MWTPROC Processor domain .... ..1. MWTIO X'02' MWTIO I/O domain .... ...1 MWTSEEKS X'01' MWTSEEKS Seeks domain 002A 42 Bitstring 1 MWTCADMB Second byte of domains whose data is given in this control area entry 1... .... MWTVND X'80' MWTVND Virtual Network domain .1.. .... MWTISFC X'40' MWTISFC ISFC domain ..1. .... MWTAPPL X'20' MWTAPPL Appldata domain ...1 .... MWTSSI X'10' MWTSSI SSI domain 002B 43 Bitstring 1 * Reserved for IBM use 00001000 MWTLENTH *-MWTBK The MWTBK is always 4K long but may have unused areas depending on the number of control area entries within a given record.
 
 
  MWTBK Storage Layout Top of page
 
 
*** MWTBK - Monitor Writer Control Record Block
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                       MWTEXTBF                        =
*     |                                                       |
*     +-------------------------------------------------------+
*  28 |                                                       |
*     =                       MWTCAREA                        =
*     |                                                       |
*     +-------------------------------------------------------+
*1000
*
*** MWTBK - Monitor Writer Control Record Block
 
*** Overlay for MWTCAREA in MWTBK
*
*     +-------------------------------------------------------+
*  28 |                       MWTCAENT                        |
*     |                           +---------------------------+
*     |                           | 34
*     +---------------------------+
*
*** Overlay for MWTCAREA in MWTBK
 
*** Overlay for MWTCAENT in MWTBK
*
*     +---------------------------+---------------------------+
*  28 |         MWTCADOM          |         MWTCASTR          |
*     +---------------------------+---------------------------+
*  30 |         MWTCAEND          | 34
*     +---------------------------+
*
*** Overlay for MWTCAENT in MWTBK
 
*** Overlay for MWTCADOM in MWTBK
*
*     +------+------+------+------+
*  28 |:CAFLG|:CADMA|:CADMB|//////| 2C
*     +------+------+------+------+
*
*** Overlay for MWTCADOM in MWTBK
 
 
  MWTBK Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
MWTAPPL        002A 20
MWTCADMA       0029
MWTCADMB       002A
MWTCADOM       0028
MWTCAEND       0030
MWTCAENT       0028
MWTCAEVT       0028 000000C5
MWTCAFLG       0028
MWTCALEN       0030 0000000C
MWTCAREA       0028
MWTCASMP       0028 000000E2
MWTCASTR       002C
MWTEXTBF       0000
MWTIO          0029 02
MWTISFC        002A 40
MWTLENTH       002B 00001000
MWTMONTR       0029 40
MWTPROC        0029 04
MWTSCHED       0029 20
MWTSEEKS       0029 01
MWTSSI         002A 10
MWTSTORE       0029 10
MWTSYSTM       0029 80
MWTUSER        0029 08
MWTVND         002A 80
 
This information is based on z/VM 6.4.0 Last updated on 24 Aug 2016 at 09:27:09 EDT.
Copyright IBM Corporation, 1990, 2016