PMDADESC(3)

NAME
pmdaDesc - get the description of a metric from a PMDA

C SYNOPSIS
#include <pcp/pmapi.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.

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

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

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