I can confirm that commit 8032a1ae in LTP test suite has corrected this
issue.
It will now return TCONF instead of TBORK:
perf_event_open021 TCONF : perf_event_open02.c:274:
PERF_COUNT_HW_INSTRUCTIONS not supported: errno=ENOENT(2): No such file or
directory
perf_event_open022 TCONF
Related commit in LTP:
https://github.com/linux-test-project/ltp/commit/8032a1ae42afd024bd3e74984108020e7fa756e5
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https://bugs.launchpad.net/bugs/1822032
Title:
perf_event_
Spotted on Bionic as well.
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1822032
Title:
perf_event_op
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