Man page - pmderivederrstr(3)
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Manual
PMDERIVEDERRSTR
NAMEC SYNOPSIS
DESCRIPTION
SEE ALSO
NAME
pmDerivedErrStr - return error message from failure to parse derived metric definition
C SYNOPSIS
#include <pcp/pmapi.h>
char *pmDerivedErrStr(void);
cc ... -lpcp
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).