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PMDAPMID

PMDAPMID

Section: C Library Functions (3) Updated: SGI
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NAME

pmdaPMID - translate a dynamic performance metric name into a PMID  

C SYNOPSIS

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

int pmdaPMID(char *name, pmID *pmid, pmdaExt *pmda)

cc ... -lpcp_pmda -lpcp  

DESCRIPTION

As part of the Performance Metrics Domain Agent (PMDA) API (see PMDA(3)), pmdaPMID is the generic callback for translating a dynamic metric name into a PMID (pmid).

Because implementing dynamic performance metrics requires specific PMDA support, and the facility is an optional component of a PMDA (most PMDAs do not support dynamic performance metrics), pmdaPMID is a skeleton implementation that returns PM_ERR_NAME.

A PMDA that supports dynamic performance metrics will provide a private callback that replaces pmdaPMID (by assignment to version.four.pmid of the pmdaInterface structure) and implements the translation from a dynamic performance metric name into the associated pmid.  

DIAGNOSTICS

pmdaPMID returns PM_ERR_NAME if the name is not recognized or cannot be translated, else returns 0.  

CAVEAT

The PMDA must be using PMDA_PROTOCOL_4 or later, as specified in the call to pmdaDSO(3) or pmdaDaemon(3).  

SEE ALSO

PMAPI(3), PMDA(3), pmdaDaemon(3), pmdaDSO(3), pmdaMain(3) and pmLookupName(3).


 

Index

NAME
C SYNOPSIS
DESCRIPTION
DIAGNOSTICS
CAVEAT
SEE ALSO

This document was created by man2html, using the manual pages.
Time: 21:52:36 GMT, April 16, 2011