NAME

       pmdaDesc - get the description of a metric from a PMDA


C SYNOPSIS

       #include <pcp/pmapi.h>
       #include <pcp/impl.h>
       #include <pcp/pmda.h>

       int pmdaDesc(pmID pmid, pmDesc *desc, pmdaExt *pmda);

       cc ... -lpcp_pmda -lpcp


DESCRIPTION

       pmdaDesc  uses  the  standard  PMDA(3)  data structures to
       return the pmDesc description in desc for the metric iden­
       tified by pmid.


DIAGNOSTICS

       If the pmid does not correspond to any metric supported by
       this PMDA, pmdaDesc returns PM_ERR_PMID.


CAVEAT

       The PMDA must be using PMDA_INTERFACE_2 or later, as spec­
       ified in the call to pmdaDSO(3) or pmdaDaemon(3).


SEE ALSO

       PMAPI(3),    PMDA(3),    pmdaDaemon(3),   pmdaDSO(3)   and
       pmLookupDesc(3).


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