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
Referenced By
The man page pmderivederrstr(3) is an alias of pmDerivedErrStr(3).
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