Keywords

The following table includes all allowed keywords for the BARS utility:

Keyword

Description

LASTCYCLE

Number of seconds since last display

AVGCYCLE

Average number of seconds between displays

IDLE

Percentage of available processor time spent idling

MCP

Percentage of available processor time spent on nonvisible user or operating system processes

USER

Percentage of available processor time spent on visible user or operating system processes

OVHD

Percentage of available processor time spent stack switching or stack searching, and IOfinish time

PBIT

Percentage of total available processor time spent performing presence bit operations

INIT

Percentage of total available processor time spent doing initial presence bit operations

FREE

Percentage of total available processor time spent performing presence bit operations after resumption

SAVE

Save memory

OLAY

Overlayable memory

AVAIL

Available memory

OVRFL

Overlay-file words for overlayable memory

CCACT

Number of core-to-core moves

COACT

Number of overlays

OCACT

Number of overlay-file presence bit operations

PCACT

Number of code file presence bit operations

CLACT

Number of core-to-limbo overlays

CCWRD

Number of words moved core-to-core

COWRD

Number of words overlayed

OCWRD

Number of words read from overlay files

PCWRD

Number of words read from code files

CLWRD

Number of read-only words overlayed

TRFC

Percentage of time when overlay I/O in process

MIX

Number of tasks in mix

STED

Number of tasks suspended by the system

READY

Number of tasks waiting for processors

SCHED

Number of scheduled tasks

In addition, a keyword is shown for each online labeled pack, which allows the number of I/O operations waiting for that unit to be displayed.

For a system that has a reduced capacity processor, the available processor time used in calculating processor percentage utilization does not include reduce capacity processor time.