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Differential D57639

tools/regression/pmc: hwpmc multiplex rejection test
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Authored by afscoelho_gmail.com on Jun 18 2026, 7:06 AM.
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Details

Reviewers
imp
mhorne
markj
jhb
ali_mashtizadeh.com
raghavendra.kt_amd.com
anascime_amd.com
ojanerif_amd.com
davichazbh_gmail.com
Group Reviewers
pmc
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>

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Skipped
Unit
Tests Skipped
Build Status
Buildable 73967
Build 70850: arc lint + arc unit

Event Timeline

raghavendra.kt_amd.com requested review of this revision.Jun 18 2026, 7:06 AM
raghavendra.kt_amd.com created this revision.
Harbormaster completed remote builds in B73967: Diff 179984.Jun 18 2026, 7:06 AM
raghavendra.kt_amd.com added a parent revision: D57638: tools/regression/pmc: hwpmc grouping regression test.Jun 18 2026, 7:06 AM
raghavendra.kt_amd.com added a child revision: D57640: tools/regression/pmc: hwpmc multiplex positive-path test.
afscoelho_gmail.com commandeered this revision.Sep 8 2026, 12:33 PM
afscoelho_gmail.com updated this revision to Diff 185753.
afscoelho_gmail.com edited reviewers, added: raghavendra.kt_amd.com; removed: afscoelho_gmail.com.

Update to the rebuilt PerfMonV2 grouping and multiplexing stack.

Harbormaster completed remote builds in B76450: Diff 185753.Sep 8 2026, 12:35 PM
afscoelho_gmail.com added a reviewer: pmc.Tue, Sep 8, 3:34 PM
afscoelho_gmail.com added reviewers: anascime_amd.com, ojanerif_amd.com, davichazbh_gmail.com.Thu, Sep 10, 12:45 PM
afscoelho_gmail.com updated this revision to Diff 188106.Tue, Sep 29, 7:38 PM

Rebase onto main after D58256 landed.

Harbormaster completed remote builds in B77482: Diff 188106.Tue, Sep 29, 7:38 PM
afscoelho_gmail.com updated this revision to Diff 188254.Wed, Sep 30, 9:07 PM

Rebase only. No change.

Harbormaster completed remote builds in B77549: Diff 188254.Wed, Sep 30, 9:07 PM
afscoelho_gmail.com updated this revision to Diff 188469.Fri, Oct 2, 6:39 PM

Rebase on main (D60141 and D60185 are committed). No change.

Harbormaster completed remote builds in B77643: Diff 188469.Fri, Oct 2, 6:39 PM

Revision Contents
Changeset List

PathSize
tools/
regression/
pmc/
181 lines

Diff 179984

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tools/regression/pmc/pmc_mux_test.c

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