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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | DEBUGGING OPTIONS | PCP ENVIRONMENT | SEE ALSO | COLOPHON |
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PMLOGSIZE(1) General Commands Manual PMLOGSIZE(1)
pmlogsize - report sizes for parts of PCP archive(s)
pmlogsize [-drv?] [-D debug] [-x threshold] archive [...]
pmlogsize prints information about the size of the index, metadata
and data sections of a Performance Co-Pilot (PCP) archive. The
output is intended to guide improvements in archive encoding
format for PCP developers and to help trim pmlogger(1)
configuration files to remove metrics that are bloating the PCP
archives with low-value data in production environments.
The archive arguments can be any mixture of the names of the
physical files of a PCP archive or the basename that is common to
all the component physical files in a single archive. In the
latter case archive is replaced by a list of all of the matching
component file names.
Note the semantics is a little different to other PCP tools in
that foo.meta means just the file foo.meta, not foo.index,
foo.meta, foo.0, etc.
The available command line options are:
-d, --detail
Enable detailed reporting. This means space per instance
domain in a metadata file and space per metric (for values)
in a data file.
-r, --replication
Display additional information about possible replicated
values in the data file and replicated instances in the
metadata file. This option implies -d.
-x threshold, --threshold=threshold
With -d (or -r), cut off the report after at least threshold
percent of the associated space (metric values or instance
domains) has been reported. The default behaviour is
equivalent to threshold being set to 100.
-v, --verbose
Enable verbose mode. This option can be provided more than
once for additional verbosity.
-?, --help
Display usage message and exit.
The -D or --debug option enables the output of additional
diagnostics on stderr to help triage problems, although the
information is sometimes cryptic and primarily intended to provide
guidance for developers rather end-users. debug is a comma
separated list of debugging options; use pmdbg(1) with the -l
option to obtain a list of the available debugging options and
their meaning.
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).
PCPIntro(1), pmlogcheck(1), pmlogdump(1) and pmlogger(1).
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 [email protected]. This page was obtained from the
project's upstream Git repository
⟨https://github.com/performancecopilot/pcp.git⟩ on 2025-08-11.
(At that time, the date of the most recent commit that was found
in the repository was 2025-08-11.) 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
[email protected]
Performance Co-Pilot PCP PMLOGSIZE(1)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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