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tools/regression/pmc: hwpmc multiplex rejection test
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Authored by raghavendra.kt_amd.com on Thu, Jun 18, 7:06 AM.
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Details

Summary

Negative-path multiplex regression test: build a (cores + 1)-event
group with no PMC_F_GROUP_MUX, expect commit to return ENOSPC.

Sized off probe_core_pmcs() so it adapts to any AMD Zen variant
(6 PMCs on Zen2/3/4, 6 on Zen5 core, etc.).

Sponsored by: AMD
Signed-off-by: Raghavendra K T <raghavendra.kt@amd.com>

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rG FreeBSD src repository
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Build Status
Buildable 73967
Build 70850: arc lint + arc unit