Performance Analyzer saves your configuration settings automatically when you exit the tool. Experiment settings such as the metrics and data views that you have enabled are stored in the experiment. When you open the same experiment again, it is configured as it was when you previously closed the experiment.
You can save some settings in a configuration file whose name ends in config.xml and apply the configuration file to any experiment when you open it from the Open Experiment dialog. You can save configurations in a location only for your use or save to a shared location for use by other users.
When you open an experiment, Performance Analyzer searches default locations for available configuration files and enables you to choose which configuration to apply to the experiment you are opening.
You can also export settings into a .er.rc file that can be read by er_print using Tools > Export Settings as .er.rc. This enables you to have the same metrics enabled in er_print and Performance Analyzer.