преобразовать имя метрики динамической производительности в PMID (translate a dynamic performance metric name into a PMID)
Дубль
(статьи:
pmdapmid - преобразовать имя метрики динамической производительности в PMID )
Имя (Name)
pmdaPMID
- translate a dynamic performance metric name into a
PMID
Синопсис C (C Synopsis)
#include <pcp/pmapi.h>
#include <pcp/pmda.h>
int pmdaPMID(char *
name, pmID *
pmid, pmdaExt *
pmda);
cc ... -lpcp_pmda -lpcp
Описание (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.
Предостережение (Caveat)
The PMDA must be using PMDA_PROTOCOL_4
or later, as specified in
the call to pmdaDSO(3) or pmdaDaemon(3).
Диагностика (Diagnostic)
pmdaPMID
returns PM_ERR_NAME
if the name is not recognized or
cannot be translated, else returns 0.
Смотри также (See also)
PMAPI(3), PMDA(3), pmdaDaemon(3), pmdaDSO(3), pmdaMain(3) and
pmLookupName(3).