NAME
pmDerivedErrStr - return error message from failure to parse derived metric definitionC SYNOPSIS
#include <pcp/pmapi.h>DESCRIPTION
When pmRegisterDerived(3) is called to add a new derived metric definition and an error occurs, pmDerivedErrStr may be called to return the associated error message. The pmRegisterDerivedMetric interface provides a convenience wrapper around both pmRegisterDerived and pmDerivedErrStr.SEE ALSO
PCPIntro(1), PMAPI(3) and pmRegisterDerived(3).| Performance Co-Pilot |