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Differential D41276

hwpmc_amd: tighten up MSR definitions
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Authored by mhorne on Aug 1 2023, 4:24 PM.
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Reviewers
jkoshy
gnn
Group Reviewers
pmc
Summary

For the core performance counters, prefer the newer MSR addresses to the
legacy (32-bit) ones.

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Repository
rG FreeBSD src repository
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Lint Passed
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No Test Coverage
Build Status
Buildable 52934
Build 49825: arc lint + arc unit

Event Timeline

mhorne created this revision.Aug 1 2023, 4:24 PM
Herald added a reviewer: gnn. · View Herald TranscriptAug 1 2023, 4:24 PM
Herald added a subscriber: imp. · View Herald Transcript
mhorne requested review of this revision.Aug 1 2023, 4:24 PM
Harbormaster completed remote builds in B52934: Diff 125430.Aug 1 2023, 4:24 PM
mhorne added a parent revision: D41275: pmc: remove last bits of AMD K7 CPU support.Aug 1 2023, 4:24 PM
mhorne added a child revision: D41277: hwpmc_amd: check extended CPUID bits.
jkoshy accepted this revision.Aug 9 2023, 5:10 AM
This revision is now accepted and ready to land.Aug 9 2023, 5:10 AM
jkoshy added inline comments.Aug 9 2023, 5:13 AM
sys/dev/hwpmc/hwpmc_amd.h
39

We would also need to decline to support CPUs that use the previous MSR addresses.

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sys/
dev/
hwpmc/
27 lines

Diff 125430

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sys/dev/hwpmc/hwpmc_amd.h

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