mrtg2pcp man page

mrtg2pcp — import MRTG data and create a PCP archive


mrtg2pcp hostname devname timezone infile outfile


mrtg2pcp is intended to read an MRTG log file as created by mrtg(1) and translate this into a Performance Co-Pilot (PCP) archive with the basename outfile. The hostname, devname, and timezone arguments specify information about the system for which the statistics were gathered.

The resultant PCP achive may be used with all the PCP client tools to graph subsets of the data using pmchart(1), perform data reduction and reporting, filter with the PCP inference engine pmie(1), etc.

A series of physical files will be created with the prefix outfile. These are outfile.0 (the performance data), outfile.meta (the metadata that describes the performance data) and outfile.index (a temporal index to improve efficiency of replay operations for the archive). If any of these files exists already, then mrtg2pcp will not overwrite them and will exit with an error message of the form

__pmLogNewFile: blah.0 already exists, not over-written

mrtg2pcp is a Perl script that uses the PCP::LogImport Perl wrapper around the PCP libpcp_import library, and as such could be used as an example to develop new tools to import other types of performance data and create PCP archives.

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).

See Also

mrtg(1), pmchart(1), pmie(1), pmlogger(1), LOGIMPORT(3) and PCP::LogImport(3pm).


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