hwpmc_amd: tighten up MSR definitions
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Authored by mhorne on Aug 1 2023, 4:24 PM.

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ali_mashtizadeh.com

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Details

Reviewers

jkoshy
gnn
ali_mashtizadeh.com

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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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.

Abandon this one too.

Herald added a reviewer: ali_mashtizadeh.com. · View Herald TranscriptMar 22 2026, 5:25 PM

mhorne abandoned this revision.Mar 23 2026, 2:08 PM

Revision Contents
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sys/

dev/

hwpmc/

hwpmc_amd.h

27 lines

Diff 125430

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hwpmc_amd: tighten up MSR definitionsAbandonedPublicActions