Programming Interface Information:
The Monitor Records are intended Programming Interfaces that
allow the customer to write programs to obtain services of z/VM.

MRSYTRSP

Prolog
Control Block Contents
Cross Reference

MRSYTRSP Prolog

 DSECT NAME - SYTRSP
 FUNCTION - Map a Monitor record.
 LOCATED BY -
        Through the Monitor Control Area
 REFERENCED CONTROL BLOCKS -
        MRRECHDR    Monitor Record Header
 NAME - MRSYTRSP
 DESCRIPTIVE NAME - Monitor Sample Record
                    Domain 0 - System Record
                    Record 4 - Real Storage Data (Per Processor)
 DESCRIPTION - Real storage exception conditions. Provides
               an indication of memory contention and load.
               A separate record is generated per online
               processor.


MRSYTRSP Control Block Contents

Offsets
Dec Hex  Type       Len  Name (Dim)             Description
 
  0   0  Structure   60  SYTRSP                 Start of monitor record
  0   0  Character    0  SYTRSP_MRHDR           record header
  0   0  Character   20  MRHDR                  
  0   0  Unsigned     2  MRHDRLEN               record length in bytes
  2   2  Unsigned     2  MRHDRZER               field of zeros
  4   4  Unsigned     1  MRHDRDM                domain identifier
  5   5  Unsigned     1  *                      
  6   6  Unsigned     2  MRHDRRC                record identifier
  8   8  Character    8  MRHDRTOD               Time at which this record was
                                                built. In time-of-day (TOD)
                                                clock format. See IBM System
                                                370 XA Principle of Operation
                                                for explanation of format.
 16  10  Character    4  *                      
 20  14  Character    0  MRHDR_END              End of header
 20  14  Unsigned     2  SYTRSP_PFXCPUAD        Processor address
 22  16  Unsigned     2  *                      Reserved for IBM use
 24  18  Unsigned     4  SYTRSP_PLSSTLFR        Count of frames taken to
                                                satisfy the free storage extend
                                                condition.
 28  1C  Unsigned     4  SYTRSP_PLSPRQDF        Count of tasks deferred while
                                                waiting for a page.
 32  20  Unsigned     4  SYTRSP_PLSSHRRD        Total number of page reads
                                                and PAGINs for shared pages
 36  24  Unsigned     4  SYTRSP_PLSALEMP        Number of times the <2G
                                                available list became empty.
                                                See SYTRSP_PLSALEMG for the >2G
                                                value.
 40  28  Unsigned     4  SYTRSP_PLSNOCMP        Number of times the demand
                                                scan ran and was unable to
                                                obtain enough frames.
 44  2C  Unsigned     4  SYTRSP_PLSMVB2G        Number of page translations
                                                that resulted in the page being
                                                moved from a frame >= 2GB to
                                                one < 2GB.
 48  30  Unsigned     4  SYTRSP_PLSALEMG        Number of times the >2G
                                                available list became empty.
                                                See SYTRSP_PLSALEMP for the <2G
                                                value.
 52  34  Unsigned     4  SYTRSP_PLSGCLEM        Number of times replenishment
                                                of the Local Cleared Available
                                                List on this processor saw the
                                                Global Cleared Available List
                                                empty.
 56  38  Unsigned     4  SYTRSP_PLSMVABV        Number of times a page with
                                                an address <2G was moved to a
                                                frame with an address >=2G.
 60  3C  Character    0  SYTRSP_END             

MRSYTRSP Cross Reference

                      Hex           Hex
Name                 Offset Length Value
 
MRHDR                      0     20
MRHDR_END                 14      0
MRHDRDM                    4      1
MRHDRLEN                   0      2
MRHDRRC                    6      2
MRHDRTOD                   8      8
MRHDRZER                   2      2
SYTRSP                     0     60
SYTRSP_END                3C      0
SYTRSP_MRHDR               0      0
SYTRSP_PFXCPUAD           14      2
SYTRSP_PLSALEMG           30      4
SYTRSP_PLSALEMP           24      4
SYTRSP_PLSGCLEM           34      4
SYTRSP_PLSMVABV           38      4
SYTRSP_PLSMVB2G           2C      4
SYTRSP_PLSNOCMP           28      4
SYTRSP_PLSPRQDF           1C      4
SYTRSP_PLSSHRRD           20      4
SYTRSP_PLSSTLFR           18      4

This information is based on z/VM V5R2.0.
Last updated on 11 Dec 2005 at 18:48:12.
Copyright IBM Corporation, 1990, 2005