pmdaDesc(3)
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 identified 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 specified in the call to
pmdaDSO(3)
or
pmdaDaemon(3).