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Differential D59370

hwpmc: add deterministic PMU group test controls
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Authored by afscoelho_gmail.com on Sep 3 2026, 9:33 PM.
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Details

Reviewers
gnn
ali_mashtizadeh.com
anascime_amd.com
ojanerif_amd.com
davichazbh_gmail.com
Group Reviewers
pmc
Summary

Add debug-only failpoints, hold gates, live-object counters, sample accounting, and residual-state controls used by the PMU grouping ATF tests. The controls live under kern.hwpmc.test and compile to no-ops when HWPMC_DEBUG is disabled.

Sponsored by: AMD

Signed-off-by: Andre Silva <andasilv@amd.com>

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Skipped
Unit
Tests Skipped
Build Status
Buildable 76474
Build 73357: arc lint + arc unit

Event Timeline

afscoelho_gmail.com created this revision.Sep 3 2026, 9:33 PM
afscoelho_gmail.com held this revision as a draft.
Herald added a reviewer: gnn. · View Herald TranscriptSep 3 2026, 9:33 PM
Herald added a reviewer: ali_mashtizadeh.com. · View Herald Transcript
Herald added a subscriber: imp. · View Herald Transcript
Harbormaster completed remote builds in B76464: Diff 185767.Sep 3 2026, 9:33 PM
afscoelho_gmail.com added a parent revision: D59369: tools/regression/pmc: test inherit-miss logging.Sep 3 2026, 9:34 PM
afscoelho_gmail.com added a child revision: D59371: tests: cover PMC group lifecycle and snapshots.
afscoelho_gmail.com updated this revision to Diff 185778.Sep 3 2026, 10:51 PM

Refresh after repairing the preceding D57633 preview boundary.

Harbormaster completed remote builds in B76474: Diff 185778.Sep 3 2026, 10:51 PM
afscoelho_gmail.com published this revision for review.Sep 8 2026, 12:36 PM
afscoelho_gmail.com added a reviewer: pmc.Sep 8 2026, 3:34 PM
afscoelho_gmail.com edited the summary of this revision. (Show Details)
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 188113.Tue, Sep 29, 7:38 PM

Rebase onto main after D58256 landed. Keep the attach test hook with the new p_candebug() check.

Harbormaster completed remote builds in B77489: Diff 188113.Tue, Sep 29, 7:38 PM
afscoelho_gmail.com updated this revision to Diff 188261.Wed, Sep 30, 9:08 PM

Rebase only. No change.

Harbormaster completed remote builds in B77556: Diff 188261.Wed, Sep 30, 9:08 PM
afscoelho_gmail.com updated this revision to Diff 188476.Fri, Oct 2, 6:39 PM

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

Harbormaster completed remote builds in B77650: Diff 188476.Fri, Oct 2, 6:39 PM

Revision Contents
Changeset List

PathSize
sys/
dev/
hwpmc/
10 lines
791 lines
52 lines
45 lines
sys/
2 lines

Diff 185778

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sys/dev/hwpmc/hwpmc_logging.c

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sys/dev/hwpmc/hwpmc_mod.c

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sys/dev/hwpmc/hwpmc_pmu.h

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sys/dev/hwpmc/hwpmc_pmu.c

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sys/sys/pmclog.h

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