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[Intel][6.6] PMU: Add new precise OMR events for DMR and PEBS data source fixes - #158

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[Intel][6.6] PMU: Add new precise OMR events for DMR and PEBS data source fixes#158
x56Jason wants to merge 58 commits into
6.6-velinuxfrom
omr-pebs-velinux

Commits on Oct 14, 2026
- perf/x86/intel: Switch to new Intel CPU model defines
  
  aegl
  authored and
  x56Jason
  committed
  c1f8a6a
- perf/x86/intel: Support the 4 new OMR MSRs introduced in DMR and NVL
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  1d5998e
- perf/x86/intel: Add support for PEBS memory auxiliary info field in DMR
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  bd14337
- perf/x86/intel: Add core PMU support for DMR
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  6a84794
- perf/x86: Use macros to replace magic numbers in attr_rdpmc
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  19e52e1
- perf/x86/intel: Add support for rdpmc user disable feature
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  3449be4
- perf/x86/intel: Add missing branch counters constraint apply
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  8572e93
- perf/x86/intel: Fix OMR snoop information parsing issues
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  5cf4ab4
- perf/x86: Fix potential bad container_of in intel_pmu_hw_config
  
  captain5050
  authored and
  x56Jason
  committed
  a7e736d
- perf/x86/intel: Only check GP counters for PEBS constraints validation
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  7b03bf5
- perf/x86/intel: Improve validation and configuration of ACR masks
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  c15e3b1
- perf/x86/intel: Always reprogram ACR events to prevent stale masks
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  5b1b614
- perf/x86/intel: Disable PMI for self-reloaded ACR events
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  537dccd
- perf/x86/intel: Enable auto counter reload for DMR
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  e0bd8ec
- perf/x86/intel: Consolidate MSR_IA32_PERF_CFG_C tracking
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  a5b7091
- perf/x86/intel: Extend the ref-cycles event to GP counters
  
  Kan Liang
  authored and
  x56Jason
  committed
  addc001
- perf/x86/intel: Update event constraints and cache_extra_regsfor ICX
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  baa8a0d
- perf/x86/intel: Update event constraints and cache_extra_regsfor SPR
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  f194f4b
- perf/x86/intel: Update event constraints for DMR
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  7fdbf32
- perf/x86/intel: Add Panther Lake support
  
  Kan Liang
  authored and
  x56Jason
  committed
  2ea8a18
- perf/x86/intel: Update event constraints and cache_extra_regsfor ADL
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  46b9c88
- perf/x86/intel: Update event constraints and cache_extra_regsfor MTL
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  464d6a3
- perf/x86/intel: Update event constraints and cache_extra_regsfor LNL
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  0bd5f08
- perf/x86/intel: Update event constraints and cache_extra_regsfor ARL
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  79e9008
- perf/x86/intel: Update event constraints for PTL
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  5c8c490
- perf/x86/intel: Update event constraints and cache_extra_regsfor SRF
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  e4dd714
- perf/x86/intel: Update event constraints and cache_extra_regsfor CWF
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  1c29c66
- perf/arm: Drop unused functions
  
  coltonlewis
  authored and
  x56Jason
  committed
  6ee9881
- perf/core: Hoist perf_instruction_pointer() and perf_misc_flags()
  
  coltonlewis
  authored and
  x56Jason
  committed
  427dabc
- perf/powerpc: Use perf_arch_instruction_pointer()
  
  coltonlewis
  authored and
  x56Jason
  committed
  bf379fc
- perf/x86: Refactor misc flag assignments
  
  coltonlewis
  authored and
  x56Jason
  committed
  ab686c2
- perf/core: Correct perf sampling with guest VMs
  
  coltonlewis
  authored and
  x56Jason
  committed
  aa535f9
- perf/x86/intel: Remove anythread_deprecated bit from perf_capabilities
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  2f38fe0
- perf/x86/intel: Keep cap_user_rdpmc in sync with RDPMC user-disable state
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  f2e02d5
- perf/x86/intel: Fallback to sw branch type decoding if no hw decoding
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  a537cc4
- perf/x86/intel: Fix kernel address leakages in LBR stack
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  ba1415a
- perf/x86/intel: Validate the return value of intel_pmu_init_hybrid()
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  984a51e
- perf/x86/intel: Drop fixed-counter PEBS constraints for baseline PEBS
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  823ad74
- perf/core: Fix kernel register info leak via hardware skid
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  04706ba
- perf/core: Check kernel access when kernel callchains are requested
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  696745e
- perf/x86: Unregister PMI handler on PMU init failure
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  fabc737
- perf/x86: Free hybrid state on PMU init failure
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  7e5571a
- perf/x86: Guard intel_pmu_cpu_dead() against invalid hybrid PMU casts
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  390b4c5
- perf/x86/intel: Unwind cpuc state if PEBS buffer setup fails
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  8a4e9a2
- perf/x86: Remove stale fixed counter helper and fix hybrid PMU access
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  db075eb
- perf/x86/intel: Fix intel_cap handling on hybrid PMUs
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  f25e9c5
- perf/x86: Optimize ACR handling in match_prev_assignment()
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  ff97dad
- perf/x86/intel: Correct pt_regs->flags update for PEBS path
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  51c3f37
- perf/x86/intel: Prevent drain_pebs() reentry
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  cbc96e7
- perf/x86/intel: Fix GRT PEBS load/store direction for latency events, to fix sample classification
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  319ff77
- perf/x86/intel: Fix CMT PEBS load/store direction for latency events, to fix sample classification
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  a3ddf99
- perf/x86/intel: Fix DKT PEBS load/store direction for latency events, to fix sample classification
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  2011049
- perf/x86/intel: Remove incorrect LionCove PEBS data-source constraints
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  2036b8d
- perf/x86/intel: Remove incorrect Panther Cove PEBS data-source constraints
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  452703c
- perf/x86/intel: Fix Panther Cove PEBS data-source snoop states
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  0b979bf
- perf/x86/intel: Constrain Panther Cove UOPS_DISPATCHED events to PMCs 0-3
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  5b0e80e
- perf/x86/intel: Fix precise OMR event scheduling for DMR/NVL
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  7f1cef4
- perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rsp
  
  Dapeng Mi
  authored and
  x56Jason
  committed
  83bdcd0

Commits

Commits on Oct 14, 2026