HP-UX Workload Manager User's Guide

Appendix C 401

C HP-UX command and system

call support

Several HP-UX commands and system calls support WLM in assigning

users and applications to the proper workload groups. Other commands

have options that allow you to use WLM more efficiently. These are

standard HP-UX commands and system calls; they are not shipped as

part of the WLM or PRM products.

Table C-1 lists HP-UX commands and system calls that support

workload groups.

Table C-1 HP-UX commands/system calls that support workload groups

Command/

system call

Supports WLM as follows

at Places the scheduled job in the user’s initial workload

group. If the user does not have an initial group, the job

is placed in the user default group, OTHERS (workload

group ID 1).

cron Places the scheduled job in the user’s initial workload

group. If the user does not have an initial group, the job

is placed in the user default group, OTHERS (workload

group ID 1).

group. If the user does not have an initial group, the

OTHERS (workload group ID 1).

exec() Process remains in its current workload group.

fork() Starts child process in the parent’s workload group.

pstat() Returns a process’s workload group ID.