The onperf utility on UNIX

The onperf utility is a windowing environment that you can use to monitor the database server performance. The onperf utility monitors the database server running on the UNIX operating system.

Overview of the onperf utility
The onperf utility is a graphical tool that you can use for displaying most of the same database server metrics that you can view on onstat utility reports.
Requirements for running the onperf utility
The computer that is running the onperf utility must support the X terminal and the mwm window manager.
Starting the onperf utility and exiting from it
Before you start the onperf utility, set the DISPLAY and LD_LIBRARY_PATH environment variables.
The onperf user interface
When you invoke the onperf utility, it displays an initial graph-tool window. From this graph-tool window, you can display additional graph-tool windows as well as the query-tree, data-collector, and activity tools.
Why you might want to use onperf
You can use the onperf utility for routine monitoring, diagnosing sudden performance loss, and diagnosing performance degradation.
onperf utility metrics
When you use the onperf utility, you can view various metric classes.

Parent topic: Performance Guide

Related reference:

Database server tools