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1.4. Client Development and PMAPI

Application developers are encouraged to create new PCP client applications to monitor, display, and analyze performance data in a manner suited to their particular site, application suite, or information processing environment.
PCP client applications are programmed using the Performance Metrics Application Programming Interface (PMAPI), documented in Chapter 3, PMAPI--The Performance Metrics API. The PMAPI, which provides performance tool developers with access to all of the historical and live distributed services of PCP, is the interface used by the standard PCP utilities.