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Description of problem:
pmrep(1) archive creation does not work with scaled metrics, this fix is needed to avoid that issue (and ensure created archive are pmlogger(1) compatible):
https://github.com/performancecopilot/pcp/commit/3806df81a6711833cde20f014ebd29fb85013ea2
This BZ is about requesting backporting the fix for RHEL 8.5.
Thanks.
Version-Release number of selected component (if applicable):
RHEL 8.5
These are the upstream commits needed here:
commit 5ed5940a25307c56ae30aaa814afd0fcdabad92d
Author: Nathan Scott <nathans>
Date: Mon Jun 21 09:55:59 2021 +1000
libpcp_import: fix per-instance error handling in pmiWrite
Marko encountered a double-fault failure condition where we
would attempt to use a prior error code in memory allocation
size calculations of a subsequent attempt to add an instance
value.
New C test program added to poke the exact failure condition
and we run it in both with/without valgrind configurations -
so two new tests.
Related to https://github.com/performancecopilot/pcp/issues/1327
commit 3806df81a6711833cde20f014ebd29fb85013ea2
Author: Marko Myllynen <myllynen>
Date: Mon Jun 21 09:13:53 2021 +0300
pmrep/pmconfig.py: fix archive writing with scaled metrics
pmrep/pmconfig.py were already using metadata from the source to
write archive metadata and raw values instead of counter rates.
For scaled metrics the native type needs to be used so that created
archives remain compatible with pmlogger created archives and that
stored metadata and values match each other.
QA 1072 updated to test this.
commit ac4edfb0cbef8d6618c8fbd063dc9c5727f0d085
Author: Nathan Scott <nathans>
Date: Tue Jun 22 09:09:11 2021 +1000
qa: correct the hex indom output in tests 1627, 1628
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-2021:4171