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Programming Interface Information:
The Monitor Records are intended Programming Interfaces that allow the customer to write programs to obtain services of z/VM. |
MRSYTASG
PrologControl Block Contents
Cross Reference
MRSYTASG Prolog
DSECT NAME - SYTASG
FUNCTION - Map a Monitor record.
LOCATED BY -
Through the Monitor Control Area
REFERENCED CONTROL BLOCKS -
MRRECHDR Monitor Record Header
NAME - MRSYTASG
DESCRIPTIVE NAME - Monitor Sample Record
Domain 0 - System Domain
Record 6 - Auxiliary Storage (Global)
DESCRIPTION - Allocation and use of storage between CP and users.
MRSYTASG Control Block Contents
Offsets Dec Hex Type Len Name (Dim) Description 0 0 Structure 92 SYTASG 0 0 Character 0 SYTASG_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 Unsigned 4 SYTASG_CAL90FUL Number of times available paging slots were 90 percent full. SAL90FUL in paging data area of HCPPGD 24 18 Unsigned 4 SYTASG_CAL91FUL Number of times available spooling slots were 90 percent full. SAL90FUL in spooling data area of HCPPGD 28 1C Unsigned 4 SYTASG_CALSLTA1 Total number of slots which have been allocated for paging. SALSLTAV in paging data area of HCPPGD. 32 20 Unsigned 4 SYTASG_CALSLTI1 Total number of slots which are currently being used by paging. SALSLTIU in paging data area of HCPPDG. 36 24 Unsigned 4 * Reserved for IBM use 40 28 Unsigned 4 * Reserved for IBM use 44 2C Unsigned 4 SYTASG_CALSLTA2 Total number of slots which have been allocated for spooling. SALSLTAV in spooling data area of HCPPGD. 48 30 Unsigned 4 SYTASG_CALSLTI2 Total number of slots which are currently being used by spooling. SALSLTIU in spooling data area of HCPPGD. 52 34 Unsigned 4 SYTASG_SYSSFCRT Cumulative number of files which have been created. This includes both spool files and system data files, but not those files which have already been purged. 56 38 Unsigned 4 SYTASG_SYSSFPUR Number of files which have been purged. This includes both spool and system data files, but not the system data files in the pending purge state. 60 3C Unsigned 4 SYTASG_CALTOTM1 Sum of modified Device Load (MLOAD) on system paging exposures. MLOAD is the product of the number of pages in the outstanding I/O requests on the device multiplied by the service time of the device. From SALTOTML in paging area of HCPPGD. 64 40 Unsigned 4 SYTASG_CALAVGM1 Average system MLOAD (Modified Device Load). From SALAVGML in paging area of HCPPGD 68 44 Unsigned 4 SYTASG_CALTOTM2 Sum of modified Device Load (MLOAD) on system spooling exposures. MLOAD is the product of the number of pages in the outstanding I/O requests on the device multiplied by the service time of the device. From SALTOTML in spooling area of HCPPGD. 72 48 Unsigned 4 SYTASG_CALAVGM2 Average system MLOAD (Modified Device Load). From SALAVGML spooling area of HCPPGD 76 4C Unsigned 4 SYTASG_CALDMPAV Total number of dump slots available on special dump-only volumes 80 50 Unsigned 4 SYTASG_CALDMPIU Total number of dump slots in use on special dump-only volumes 84 54 Unsigned 4 SYTASG_RSAPGQHI High water mark for paging queue backlog. This is reset to zero at each sample. 88 58 Unsigned 4 SYTASG_RSAPGOVR Cumulative count of times a paging overrun was detected (that is, the queue length has exceeded the point to keep the paging bandwidth full). 92 5C Character 0 SYTASG_END
MRSYTASG 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
SYTASG 0 92
SYTASG_CALAVGM1 40 4
SYTASG_CALAVGM2 48 4
SYTASG_CALDMPAV 4C 4
SYTASG_CALDMPIU 50 4
SYTASG_CALSLTA1 1C 4
SYTASG_CALSLTA2 2C 4
SYTASG_CALSLTI1 20 4
SYTASG_CALSLTI2 30 4
SYTASG_CALTOTM1 3C 4
SYTASG_CALTOTM2 44 4
SYTASG_CAL90FUL 14 4
SYTASG_CAL91FUL 18 4
SYTASG_END 5C 0
SYTASG_MRHDR 0 0
SYTASG_RSAPGOVR 58 4
SYTASG_RSAPGQHI 54 4
SYTASG_SYSSFCRT 34 4
SYTASG_SYSSFPUR 38 4
This information is based on z/VM V6R4.0.
Last updated on 4 Oct 2016 at 13:20:49.
Copyright IBM Corporation, 1990, 2016