[ RHEL9 ] kernel-rt : TEST-51-Read-backward-ring-buffer FAIL: Unexpected counter [moved to RHELTEST-156]

This issue has been closed and moved to JIRA: https://issues.redhat.com/browse/RHELTEST-156

Please continue with your actions and comments in the linked Jira ticket.

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Snippet of test failure

------------------------------------------------------------
perf_event_attr:
  type                             2
  size                             128
  config                           0xc1
  { sample_period, sample_freq }   1
  sample_type                      IP|TID|TIME|CPU|PERIOD|RAW
  read_format                      ID
  disabled                         1
  mmap                             1
  comm                             1
  task                             1
  sample_id_all                    1
  exclude_guest                    1
  mmap2                            1
  comm_exec                        1
  write_backward                   1
  ksymbol                          1
  bpf_event                        1
------------------------------------------------------------
sys_perf_event_open: pid 45028  cpu -1  group_fd -1  flags 0x8 = 3
mmap size 1052672B
0x5571fab74dc8: mmap mask[0]: 
Unexpected counter: sample_count=110, comm_count=111
---- end ----
Read backward ring buffer: FAILED!
  FAILED -- 51: Read backward ring buffer

Test logs on DataWarehouse

https://datawarehouse.cki-project.org/kcidb/tests/12190472

Additional details

Issue encountered twice on 2 x consecutive RHEL90z RT builds on baremetal :

https://datawarehouse.cki-project.org/kcidb/tests/12151708

https://datawarehouse.cki-project.org/kcidb/tests/12190472

Only reference is :

https://issues.redhat.com/browse/RHELPLAN-166448 , it was treated as a one time event.