Address Space List screen


The Address Space List screen summarizes current address space activity on your system. Address spaces that are currently in storage are highlighted. From this screen, you can enter line commands to navigate to other screens.

This screen is invoked from the CMFMON Primary Option Menu or by entering an ASL command from any CMFMON Online screen.

Warning

Note

This screen is available only in the CMFMON Online facility. There is no CMFMON batch report equivalent.

CMFMON-ASL ------------------ Address Space List ---------- Screen ASL changed
COMMAND ===>                                                  SCROLL ===> CSR
                                                              SYSTEM ===> SJSC

 CPU  27/ 25 UIC 2540 Paging      0 ES Mig Age    N/A Time 16:35:14 Mode TOTAL

SEL  JOBNAME  AST ASID  ASIDX SERVICE  S C  R  DP  XDP PAGE DCPU  CPU  DELT EXCP REAL X A WORKLOAD RESOURCE
                              CLASS    P L  LS PR  PR  RATE TIME  RATE EXCP RATE      M            GROUP
     ________ ___ _____ _____ ________ _ __ __ ___ ___ ____ _____ ____ ____ ____ ____ _ _ ________ ________
>-------------------------------------------------------------------------------------------------------------
____ *MASTER* STC     1 0001  SYSTEM   1 NS    255 FF                            6190   Y SYSTEM
____ PCAUTH   STC     2 0002  SYSTEM   1 NS    255 FF                            1540 X Y SYSTEM
____ RASP     STC     3 0003  SYSTEM   1 NS    255 FF                             671 X Y SYSTEM
____ TRACE    STC     4 0004  SYSTEM   1 NS    255 FF                            2177 X Y SYSTEM
____ DUMPSRV  STC     5 0005  SYSTEM   1 NS    255 FF                             313   Y SYSTEM
____ XCFAS    STC     6 0006  SYSTEM   1 NS    255 FF                             11K X Y SYSTEM
____ GRS      STC     7 0007  SYSTEM   1 NS    255 FF                            3919 X Y SYSTEM
____ SMSPDSE  STC     8 0008  SYSTEM   1 NS    255 FF

The following table lists the header; ID (used when specifying keywords); whether the column appears in Total mode, Delta mode, or both modes; and a brief description of each column in this report.

Column descriptions for the Address Space List report

Column Header

Column ID

Mode

Description

SEL

SEL

Both

Input field that allows you to fastpath to one of three address space screens for a specific job name.

In the SEL field next to the desired job in the JOBNAME column, enter one of the following values:

  • ARD to display the Address Space Resource Data screen
  • ASD to display the Address Space State Data screen
  • ASRM to display the Address Space SRM Data screen for that job

JOBNAME

JOBNAME

Both

One- to eight-character name associated with the address space

AST

AST

Both

Contains the type of the address space; valid values are as follows:

  • ASC-APPC address space
  • JOB-Batch job
  • MNT-Mount task
  • OMV-OpenEdition address space
  • STC-Started task
  • TSU-TSO user

ASID

ASID

Both

Address space identifier of the job as assigned by the system

ASIDX

ASIDX

Both

Hexadecimal representation of the address space ID

SERVICE CLASS

SRVCLASS

Both

One- to eight-character name of a service class or a report class

S

P

SERV_PER

Both

Service Class Period field—contains the performance period of a service class; possible values range from 1 to 8

C

L

CL

Both

Current Location field—contains two characters identifying the current location of the job; possible values are as follows:

  • IN-In storage
  • OT-Swapped out and ready
  • LO-Logically swapped out
  • NS-Non-swappable
  • WM-Wait queue: MSO
  • WL-Wait queue: long wait
  • WT-Wait queue: terminal wait
  • WO-Wait queue: reasons other than WM, WL, or WT
  • DL-RTO delay
  • PR-Privileged
  • >>-Currently being swapped out
  • << -Currently being swapped in

R

LS

RLS

Both

Reason: Last Swap field —contains two characters identifying the reason for the last swap out with the job.

Possible values for this field are as follows:

  • TI-Terminal input wait
  • TO-Terminal output wait
  • LW-Long wait
  • XS-Auxiliary storage shortage
  • MP-Memory pool shortage (PTF BPP0309 applied)
  • DW-Detected wait
  • RS-Real storage shortage
  • NQ-Enqueue exchange
  • EX-Exchange swap based on recommendation value US
  • US-Unilateral
  • TS-Transition swap
  • IC-Improve central storage usage
  • IP-Improve system paging rate
  • MR-Make room to swap in a user that has been swapped out too long
  • AW-APPC wait
  • IW-OMVS input wait
  • OW-OMVS output wait

If the current location of the job is NS, IN, or PR, this field is blank.

DP

PR

DPPR

Both

Dispatch Priority field—contains the ASCB dispatch priority for the address space

Address spaces compete with each other for processor time based upon their dispatching priorities. Priorities range from 1 to 255, and are specified in SYS1.PARMLIB (IEAIPSxx).

XDP

PR

XDPPR

Both

Hex Dispatch Priority field—contains a hexadecimal representation of the dispatching priority for the domain

Address spaces compete with each other for processor time based upon their dispatching priorities. Priorities range from 1 to 255, and are specified in SYS1.PARMLIB (IEAIPSxx).

PAGE

RATE

PAGERATE

Total

Rate per second of pages being brought into central storage for a job

For cross-memory address spaces:

Page-in rate =  Number of page-ins / Transaction residency time

For all other address spaces:

Page-in rate =  Number of page-ins / Seconds of CPU time

The number of page-ins is the sum of the number of pages brought into central storage, one at a time.

DCPU

TIME

DCPUTIME

Delta

Delta CPU Time field—contains the number of CPU seconds used by the job since you last pressed Enter; this figure is known as the delta value

Warning

Note

This field is available only if the job was present in the previous snapshot (that is, the last time you pressed Enter) and the job is still in the same step in the current snapshot. If this condition is not met, this field is blank.

To return to total mode—in which this field reflects the rate at which CPU is being utilized by the job—enter DElta OFF on the COMMAND line.

CPU

RATE

CPURATE

Total

Contains the percentage of CPU time used by the job since you last pressed Enter

The value is adjusted for multiple CPUs, if applicable, but is not adjusted for partition weights.

Warning

Note

This field is available only if the job was present in the previous snapshot (that is, the last time you pressed Enter) and the job is still in the same step in the current snapshot. If this condition is not met, this field is blank.

When you first display the ASL screen, this field always contains blanks because there is no previous snapshot.

To see the delta value—that is, the actual number of CPU seconds used by the job between snapshots—enter DElta OFF on the COMMAND line.

DELT

EXCP

DELTEXCP

Delta

Delta EXCP Count field—contains the number of SSCH instructions issued by the job since you last pressed Enter; this figure is called the delta value

Warning

Note

This field is available only if the job was present in the previous snapshot (that is, the last time you pressed Enter) and the job is still in the same step in the current snapshot. If this condition is not met, this field is blank.

To return to total mode—in which this field reflects the rate at which SSCH instructions are being issued—enter DElta OFF on the COMMAND line.

EXCP RATE

EXCPRATE

Total

Contains the number of SSCH instructions issued per second for the current transaction:

 delta(SSCH count) / elapsed time
Warning

Note

This field is available only if the job was present in the previous snapshot (that is, the last time you pressed Enter) and the job is still in the same step in the current snapshot. If this condition is not met, this field is blank.

When you first display the ASL screen, this field always contains blanks because there is no previous snapshot.

To see the delta value—that is, the actual number of SSCH instructions issued by the job between snapshots—enter DElta ON on the COMMAND line.

REAL

REAL

Both

Real Storage field—contains the amount of real frames in central storage occupied by the address space

X

M

XM

Both

Cross Memory field—contains an X for address spaces considered to be cross memory address spaces

This statement implies that the address space provides services used by other address spaces, and that the address space is accessed in cross memory mode.

If the address space is not a cross memory address space, this field is blank.

A

A

Both

ACTIVE field—contains Y if the address space is active and N if it is inactive

An address space is considered active if it is

  • currently swapped in
  • executing non-swappable
  • executing in privileged mode

Specify a filter of Y if you want to display only active address spaces; specify a filter of N to display only inactive address spaces.

WORKLOAD

WORKLOAD

Both

One- to eight-character name of a workload

A workload is a group of work to be monitored, managed, and reported. It consists of one or more service classes.

RESOURCE

GROUP

RESOURCE

Both

One- to eight-character name of a resource group

A resource group is an amount of processor capacity. It has minimum and maximum capacity values. Assigning a service class to a resource group effectively guarantees a minimum capacity and sets a maximum capacity for the transactions belonging to the service class.


 

Tip: For faster searching, add an asterisk to the end of your partial query. Example: cert*

CMF MONITOR 6.1