PerfCounter - This extension allows to monitor performance.
To enable this extension in the configuration file use the plugin name: "IvtDefaults" and the extension name: "PerfCounter". Futhermore you need to setup the OIV_PERFCOUNTER_ENABLE environment variable to 1, to enable Open Inventor monitoring feature.
This extension adds a panel to IvTune to monitor performance issue. You can specifically configure this extension with the file $OIVHOME/data/ivtune/perfcounter.xml