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Contents of a Snap Dump

The table below lists the order and contents of a DC formatted snap dump. All of the following information is listed if the ALL parameter of the SNAP command is specified.

Structure

Title starts with

Notes

Summary of all resources for all active tasks

SYSTEM PHOTO

Always listed with task and system snaps unless PHOTO disabled

System registers User registers

SYSTEM REGISTERS

Task and system snaps

System trace entries

TRACE ENTRIES, ORDERED OLDEST TO NEWEST

Task snaps that result from program checks and system snaps

Abend control element (ACE) including PSW, data at PSW, and registers

ABEND C.E.

Task snaps that result from program checks and system snaps

Maps of region and nucleus

MAP OF REGION

System snaps

Task's TCE

TASKS TCE ADDRESS

Task and system snaps

Task's DCE

TASKS DCE ADDRESS

Task and system snaps

Task's LTE

TASKS LTE ADDRESS

Task and system snaps

Task's PTE

TASKS PTE ADDRESS

Task and system snaps

Task's PLE

TASKS PLE ADDRESS

Task and system snaps

Task's resources

TASKS RESOURCE CHAIN

Task and system snaps

Options

OPTIONS ADDRESS

Task snaps that result from program checks and system snaps

CCE

CCE ADDRESS

Task snaps that result from program checks and system snaps

SVC parms

SVC PARMS ADDRESS

Task snaps that result from program checks and system snaps

ESE

ESE ADDRESS

System snaps

ERE area

ERE AREA ADDRESS

System snaps

CSA

CSA ADDRESS

Task snaps that result from program checks and system snaps

TCA header

TCA HEADER ADDRESS

System snaps

DCE area

DCE AREA ADDRESS

System snaps

TCE area

TCE AREA ADDRESS

System snaps

RCA header

RCA HEADER ADDRESS

System snaps

RLE area

RLE AREA ADDRESS

System snaps

RCE area

RCE AREA ADDRESS

System snaps

DPE area

DPE AREA ADDRESS

System snaps

Loader DCBs

LOADER DCBS

System snaps

LTERM table

LTERM TABLE ADDRESS

System snaps

PLE, Z/OS storage, PTEs, sets

PHYSICAL LINE ENTRY

System snaps

Task table

TASK TABLE ADDRESS

System snaps

Queue table

QUEUE TABLE ADDRESS

System snaps

Destination table

DEST TABLE ADDRESS

System snaps

STG headers (SCTs and SCEs)

STG TBL HDR ADDRESS

System snaps

All storage pools (0 through nnn)

STORAGE POOL NNN

System snaps

Program tables (PDTs and PDEs)

PGM TABLES ADDRESS

System snaps

All program pools present in the system

24 BIT PROGRAM POOL

24 BIT REENTRANT POOL

31 BIT PROGRAM POOL

31 BIT REENTRANT POOL

System snaps

Run unit table

SYS-RU-TAB ADDRESS

System snaps

Extent table

SYS-EXT-TAB ADDRESS

System snaps

DMCL table

DMCL TABLE ADDRESS

System snaps

Operating-system- dependent module

OSXX MODULE ADDRESS

System snaps

Nucleus modules

NUCLEUS ADDRESS

System snaps (reentrant systems only)

SVC module

SVC MODULE ADDRESS

System snaps (reentrant systems only)

Drivers

DRIVERS ADDRESS

 

DBIO module

DBIO MODULE ADDRESS

System snaps (reentrant systems only)

DBMS module

DBMS MODULE ADDRESS

System snaps (reentrant systems only)