As part of the Performance Metrics Domain Agent (PMDA) API (see
PMDA(3)), pmdaText uses the standard PMDA(3) data structures to
return the help text for metric ident in buffer. The help text must
be located in help text files created with newhelp(1), and the
associated files are automatically opened by pmdaInit(3).
The path to the (basename of the) help text files can be set in the
calls to pmdaDSO(3) or pmdaDaemon(3) and overridden by the -h command
line option in pmdaGetOpt(3).
The encoding of ident follows the internal scheme used below the
routines pmLookupText(3) and pmLookupInDomText(3), namely ident
encodes either a metric identifier or an instance domain identifier,
according to the value of type.
The type argument is a bit mask that encodes the interpretation of
ident and the requested form of help text, as follows: either
PM_TEXT_PMID if ident is a metric identifier, or PM_TEXT_INDOM if
ident is an instance domain identifier, plus either PM_TEXT_ONELINE
for the one line help text or PM_TEXT_HELP for the full help text.
The buffer is managed internally (usually it is cached), and it
should not be released or freed by the caller of pmdaText.
This page is part of the PCP (Performance Co-Pilot) project.
Information about the project can be found at ⟨http://www.pcp.io/⟩.
If you have a bug report for this manual page, send it to
firstname.lastname@example.org. This page was obtained from the project's upstream
Git repository ⟨https://github.com/performancecopilot/pcp.git⟩ on
2020-06-09. (At that time, the date of the most recent commit that
was found in the repository was 2020-06-09.) If you discover any
rendering problems in this HTML version of the page, or you believe
there is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
Performance Co-Pilot PCP PMDATEXT(3)