CentOS 7.0 - man page for pmdarpm (centos section 1)
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pmdarpm - RPM packages performance metrics domain agent (PMDA)
$PCP_PMDAS_DIR/rpm/pmdarpm [-C] [-d domain] [-l logfile] [-r path] [-U username]
pmdarpm is a Performance Metrics Domain Agent (PMDA) which extracts performance metrics
reflecting the state of the RPM package database managed by rpm(1).
The rpm PMDA exports metrics that describe each package installed on a system, as well as
some cumulative totals. When the RPM database changes the PMDA automatically detects this
and uses a background thread to asynchronously refresh its values.
A brief description of the pmdarpm command line options follows:
-C Verify the package iteration code by scanning the RPM database once, then exiting.
Only useful for problem diagnosis and testing.
-d It is absolutely crucial that the performance metrics domain number specified here is
unique and consistent. That is, domain should be different for every PMDA on the one
host, and the same domain number should be used for the same PMDA on all hosts.
-l Location of the log file. By default, a log file named rpm.log is written in the
current directory of pmcd(1) when pmdarpm is started, i.e. $PCP_LOG_DIR/pmcd. If
the log file cannot be created or is not writable, output is written to the standard
-r Specify an alternate path to the RPM database (default is /var/lib/rpm/Packages).
-U User account under which to run the agent. The default is the unprivileged "pcp"
If you want access to the names, help text and values for the rpm performance metrics, do
the following as root:
# cd $PCP_PMDAS_DIR/rpm
If you want to undo the installation, do the following as root:
# cd $PCP_PMDAS_DIR/rpm
pmdarpm is launched by pmcd(1) and should never be executed directly. The Install and
Remove scripts notify pmcd(1) when the agent is installed or removed.
command line options used to launch pmdarpm
default help text file for the rpm metrics
installation script for the pmdarpm agent
undo installation script for the pmdarpm agent
default log file for error messages and other information from pmdarpm
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 config-
uration file, as described in pcp.conf(5).
PCPIntro(1), pmcd(1), pcp.conf(5) and pcp.env(5).
Performance Co-Pilot PCP PMDARPM(1)
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