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Description of problem:
pcp-dstat should provide "--top-*" options like --top-cpu, as stand alone 'dstat' provides

Version-Release number of selected component (if applicable):
pcp 5.3 does not provide this

How reproducible:
If implemented, for example "pcp dstat --top-cpu" would provide
comparable output to "dstat --top-cpu" with dstat.

Minimal feature work is now being scheduled for PCP in RHEL 8 - we plan on adding this functionality in the 9.2 release with PCP v6.

Upstream: https://github.com/performancecopilot/pcp/pull/1595

commit a4a85f5d63160cec88672e432c617a496ee40103
Author: Nathan Scott <nathans>
Date:   Thu May 5 08:44:09 2022 +1000

    pcp-dstat: implement support for the top-alike plugins
    
    Resolves Red Hat BZ #2020988.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (pcp bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2023:2180