Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM. |
MWTBK
Control Block Contents
MWTBK DSECT
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 00000000 * 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 -------------- ---- ----- * 0028 00000000 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
Last updated on 5 Jun 2001 at 14:31:49 EDT.
Copyright IBM Corporation, 1990, 2001