chkhelp - Online in the Cloud

PROGRAM:

NAME

chkhelp - check performance metrics help text files

SYNOPSIS

$PCP_BINADM_DIR/chkhelp [-eHiOp] [-n pmnsfile] [-v version] helpfile [metricname ...]

DESCRIPTION

chkhelp checks the consistency of Performance Co-Pilot help text files generated by
newhelp(1) and used by Performance Metric Domain Agents (PMDAs). The checking involves
scanning the files, and optionally displaying selected entries.

The files helpfile.dir and helpfile.pag are created by newhelp(1), and are assumed to
already exist.

Without any options or metricname arguments, chkhelp silently verifies the structural
integrity of the help files.

If any metricname arguments are specified, then the help entries for only the
corresponding metrics will be processed.

If no metricname arguments are specified, then at least one of the options -i or -p must
be given. The -i option causes entries for all instance domains to be processed (ignoring
entries for performance metrics). The -p option causes entries for all metrics to be
displayed (ignoring entries for instance domains).

When metric entries are to be processed (via either the metricname arguments or the -p
option or the -i option), the -O and -H options request the display of the one-line and
verbose help text respectively. The default is -O.

Although historically there have been multiple help text file formats, the only format
currently supported using the -v option is version 2, and this is the default if no -v
flag is provided.

Normally chkhelp operates on the default Performance Metrics Name Space (PMNS), however if
the -n option is specified an alternative namespace is loaded from the file pmnsfile.

The -e option provides an existence check where all of the specified metrics from the PMNS
(note, not from helpfile) are scanned, and only the names of the metrics for which no help
text exists are reported. The -e option is mutually exclusive with the -i and/or -p
options.

PCP ENVIRONMENT

Environment variables with the prefix PCP_ are used to parameterize the file and directory
names used by PCP. On each installation, the file /etc/pcp.conf contains the local values
for these variables. The $PCP_CONF variable may be used to specify an alternative
configuration file, as described in pcp.conf(5).

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