Programming Interface Information:
The Monitor Records are intended Programming Interfaces that allow the customer to write programs to obtain services of z/VM. |
MRSTOSHR
PrologControl Block Contents
Cross Reference
MRSTOSHR Prolog
DSECT NAME - STOSHR FUNCTION - Map a Monitor record. LOCATED BY - Through the Monitor Control Area REFERENCED CONTROL BLOCKS - MRRECHDR Monitor Record Header NAME - MRSTOSHR DESCRIPTIVE NAME - Monitor Sample Record Domain 3 - Storage Domain Record 3 - Shared Storage Management (per NSS or DCSS) DESCRIPTION - Describes shared storage use for Named Saved Systems (NSSs), Discontiguous Saved Segments, (DCSSs), and Segment Spaces (SSPs). A separate record is generated for each active saved system/segment.
MRSTOSHR Control Block Contents
Offsets Dec Hex Type Len Name (Dim) Description 0 0 Structure 120 STOSHR Start of monitor record 0 0 Character 0 STOSHR_MRHDR Record header. See MRRECHDR for details. 0 0 Character 20 MRHDR 0 0 Unsigned 2 MRHDRLEN 2 2 Unsigned 2 MRHDRZER 4 4 Unsigned 1 MRHDRDM 5 5 Unsigned 1 * 6 6 Unsigned 2 MRHDRRC 8 8 Character 8 MRHDRTOD 16 10 Character 4 * 20 14 Character 0 MRHDR_END 20 14 Character 8 STOSHR_SNTNAME Shared system or segment name 28 1C Signed 2 STOSHR_SDFIDNUM Spool file ID number 30 1E Signed 2 * Reserved for IBM use 32 20 Unsigned 4 STOSHR_SDFCLTIM Time of data file creation 36 24 Unsigned 2 STOSHR_SNTUSRSH Cardinal count of users that are accessing this saved System/Segment in shared mode. 38 26 Unsigned 2 STOSHR_SNTUSREX Cardinal count of users that that are accessing this saved System/Segment in exclusive mode. 40 28 Unsigned 4 STOSHR_ASCCTPRS Cardinal count of resident pages <2G for this saved segment. See STOSHR_ASCCTPRG for the >2G value. 44 2C Unsigned 4 STOSHR_SNTSTRCT Number of pages saved in the saved System/Segment. 48 30 Unsigned 4 STOSHR_SNTNDTCT Number of storage pages defined with a 'no data saved' page descriptor code. 52 34 Unsigned 4 STOSHR_ASCCSPST Count of frames reclaimed from this saved System/Segment. This counter will be reset to zero when the saved System/Segment is no longer in use (released by its last user. 56 38 Unsigned 4 STOSHR_ASCPTRSH Count of page translations of shared pages for this saved System/Segment. This counter will be reset to zero when the saved System/Segment is no longer in use (released by its last user. 60 3C Character 8 * Reserved for IBM use 68 44 Unsigned 4 STOSHR_ASCCSPGR Count of pages read from DASD to main storage for this saved System/Segment. This counter will be reset to zero when the saved System/Segment is no longer in use (released by its last user. 72 48 Unsigned 4 STOSHR_ASCCSPGW Count of pages written from main storage to DASD for this saved System/Segment. This counter will be reset to zero when the saved System/Segment is no longer in use (released by its last user. 76 4C Unsigned 4 * Reserved for IBM use - was STOSHR_ASCCSXRD 80 50 Unsigned 4 * Count of pages written from - was STOSHR_ASCCSXWT 84 54 Unsigned 4 * Count of pages migrated by - was STOSHR_ASCCSMIG 88 58 Unsigned 4 * Reserved for IBM use. Previous field is no longer available. (STOSHR_ASCCTPLK) 92 5C Unsigned 4 STOSHR_ASCCTPGS Cardinal count of non-preferred paging slots for this saved System/Segment. 96 60 Unsigned 4 * Reserved for IBM use - was STOSHR_ASCCTXBK 100 64 Unsigned 4 STOSHR_ASCCTPRG Cardinal count of resident pages >2G for this saved segment. See STOSHR_ASCCTPRS for the <2G value. 104 68 Unsigned 4 STOSHR_ASCHLLC Count of pages locked in Host Logical storage for this saved segment. 108 6C Unsigned 4 STOSHR_ASCHLRC Host logical resident count. 112 70 Unsigned 4 STOSHR_ASCCTRSV Number of frames reserved via the SET RESERVED command. 116 74 Unsigned 4 STOSHR_ASCDSRSV Cumulative count of times demand scan could not move any frames for the saved System/Segment from the SUFO to the global aging list because it would violate its SET RESERVED setting. 120 78 Character 0 STOSHR_END
MRSTOSHR 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 STOSHR 0 120 STOSHR_ASCCSPGR 44 4 STOSHR_ASCCSPGW 48 4 STOSHR_ASCCSPST 34 4 STOSHR_ASCCTPGS 5C 4 STOSHR_ASCCTPRG 64 4 STOSHR_ASCCTPRS 28 4 STOSHR_ASCCTRSV 70 4 STOSHR_ASCDSRSV 74 4 STOSHR_ASCHLLC 68 4 STOSHR_ASCHLRC 6C 4 STOSHR_ASCPTRSH 38 4 STOSHR_END 78 0 STOSHR_MRHDR 0 0 STOSHR_SDFCLTIM 20 4 STOSHR_SDFIDNUM 1C 2 STOSHR_SNTNAME 14 8 STOSHR_SNTNDTCT 30 4 STOSHR_SNTSTRCT 2C 4 STOSHR_SNTUSREX 26 2 STOSHR_SNTUSRSH 24 2
This information is based on z/VM V7R2.0.
Last updated on 08 August 2020 at 13:01:54.
Copyright IBM Corporation, 1990, 2020