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