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+Sample PMDA
+===========
+
+This PMDA supports a synthetic collection of metrics that are designed
+to exercise various facilities of the Performance Co-Pilot. The most
+common reasons for installing this PMDA are
+ a. for internal product QA, or
+ b. as part of one of the animated tutorials or demonstrations that
+ accompany the PCP
+
+Two variants of the PMDA are installed, namely "sample" as a daemon
+with an IPC channel to PMCD, and "sampledso" that is attached as a
+Dynamic Shared Object (DSO) by PMCD and called directly.
+
+Metrics
+=======
+
+The file ./help contains descriptions for all of the metrics exported
+by this PMDA.
+
+Once the PMDA has been installed, the following command will list all
+the available metrics and their explanatory "help" text:
+
+ $ pminfo -fT sample sampledso
+
+Installation
+============
+
+ + # cd $PCP_PMDAS_DIR/sample
+
+ + Check that there is no clash in the Performance Metrics Domain
+ defined in ./domain.h and the other PMDAs currently in use (see
+ $PCP_PMCDCONF_PATH). If there is, edit ./domain.h to choose another
+ domain number.
+
+ Note that sampledso uses the next domain number after the one in
+ ./domain.h, so you must check for its uniqueness as well.
+
+ + Then simply use
+
+ # ./Install
+
+ and choose both the "collector" and "monitor" installation
+ configuration options.
+
+ You will be prompted to choose the IPC channel for the daemon
+ implementation of the sample PMDA -- everything else is automated
+
+De-installation
+===============
+
+ + Simply use
+
+ # cd $PCP_PMDAS_DIR/sample
+ # ./Remove
+
+Troubleshooting
+===============
+
+ + After installing or restarting the agent, the PMCD log file
+ ($PCP_LOG_DIR/pmcd/pmcd.log) and the PMDA log file
+ ($PCP_LOG_DIR/pmcd/sample.log) should be checked for any warnings
+ or errors.