perf vendor events amd: Address event errata
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- v1 Latest3 patches 4 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | perf vendor events amd: Remove Zen 5 instruction cache eventstools/ tools/ | +0 | 0 replies | |
| 2/3 | perf vendor events amd: Remove Zen 5 TLB flush eventtools/ tools/ | +0 | 0 replies | |
| 3/3 | perf vendor events amd: Remove Zen 5 IBS fetch eventtools/ | +0 | 0 replies |
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Cover letter [PATCH 0/3] perf vendor events amd: Address event errata
Remove unreliable Zen 5 events and metrics. The following errata from the Revision Guide for AMD Family 1Ah Models 00h-0Fh Processors have been addressed.
#1569 PMCx078 Counts Incorrectly in Unpredictable Ways
#1583 PMCx18E May Overcount Instruction Cache Accesses
#1587 PMCx188 May Undercount IBS (Instruction Based Sampling) Fetch Events
The document can be downloaded from
https://bugzilla.kernel.org/attachment.cgi?id=308095
Sandipan Das (3):
perf vendor events amd: Remove Zen 5 instruction cache events perf vendor events amd: Remove Zen 5 TLB flush event perf vendor events amd: Remove Zen 5 IBS fetch event
.../arch/x86/amdzen5/inst-cache.json | 24 ------------------- .../arch/x86/amdzen5/load-store.json | 6 ----- .../arch/x86/amdzen5/recommended.json | 13 ---------- 3 files changed, 43 deletions(-)
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2.43.0