pmdaStore - store a value into a metric for a PMDA
int pmdaStore(pmResult *result, pmdaExt *pmda);
cc ... -lpcp_pmda -lpcp
As part of the Performance Metrics Domain Agent (PMDA) API (see
PMDA(3)), pmdaStore is the generic callback for storing a value into a
metric. pmdaStore is usually a no-op as, by default, no metrics can be
altered. Also, the implementation of a store callback which does
permit metrics to be altered by pmstore(1) is very application
pmdaStore returns EACCESS to indicate that no metrics may be modified.
The PMDA must be using PMDA_PROTOCOL_2 or later, as specified in the
call to pmdaDSO(3) or pmdaDaemon(3).
pmstore(1), PMAPI(3), PMDA(3), pmdaDaemon(3), pmdaDSO(3) and