MWTBK

Prolog  

Control Block Contents  
   MWTBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

MWTBK Prolog

 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.

MWTBK Control Block Content

MWTBK DSECT

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' Sample data
          000000C5       MWTCAEVT       X'C5' Event data
0029   41 Bitstring    1 MWTCADMA       Domains whose data is given in
                                        this control area entry
          1... ....      MWTSYSTM       X'80' System domain
          .1.. ....      MWTMONTR       X'40' Monitor domain
          ..1. ....      MWTSCHED       X'20' Scheduler domain
          ...1 ....      MWTSTORE       X'10' Storage domain
          .... 1...      MWTUSER        X'08' User domain
          .... .1..      MWTPROC        X'04' Processor domain
          .... ..1.      MWTIO          X'02' I/O domain
          .... ...1      MWTSEEKS       X'01' Seeks domain
002A   42 Bitstring    1 MWTCADMB       Second byte of domains whose data
                                        is given in this control area
                                        entry
          ..1. ....      MWTAPPL        X'20' Appldata 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

          
*** 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

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
MWTLENTH       002B 00001000
MWTMONTR       0029 40
MWTPROC        0029 04
MWTSCHED       0029 20
MWTSEEKS       0029 01
MWTSTORE       0029 10
MWTSYSTM       0029 80
MWTUSER        0029 08