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"