The following subroutines can be used in monitoring and tuning performance:
| Subroutines | Function |
|---|---|
| getpri | Determines the scheduling priority of a running process. |
| getpriority | Determines the nice value of a running process |
| getrusage | Retrieves information about the use of system resources. |
| nice | Increments the nice value of the current process. |
| psdanger | Retrieves information about paging space use. |
| setpri | Changes the priority of a running process to a fixed priority. |
| setpriority | Sets the nice value of a running process. |
AIX Performance Monitoring and Tuning Commands