Skip to content

Lunar Lake Client - E-Core Offcore Events

Microarchitectures

  • Intel® Microarchitecture Code Named Lion Cove (Performance Core)
  • Intel® Microarchitecture Code Named Skymont (Efficient Core)

E-Core Offcore Events

Event Name Description Programming Info
OCR.DEMAND_DATA_RD.ANY_RESPONSE Counts demand data reads that have any type of response. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=10001H
OCR.DEMAND_RFO.ANY_RESPONSE Counts demand read for ownership (RFO) requests and software prefetches for exclusive ownership (PREFETCHW) that have any type of response. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=10002H
OCR.DEMAND_CODE_RD.ANY_RESPONSE Counts demand instruction fetches and L1 instruction cache prefetches that have any type of response. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=10004H
OCR.COREWB_M.ANY_RESPONSE Counts writebacks of modified cachelines that have any type of response. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=10008H
OCR.STREAMING_WR.ANY_RESPONSE Counts streaming stores that have any type of response. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=10800H
OCR.COREWB_NONM.ANY_RESPONSE Counts writebacks of non-modified cachelines that have any type of response. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=11000H
OCR.PARTIAL_STREAMING_WR.ANY_RESPONSE Counts partial streaming stores (less than 64 bytes, WCiL) that have any type of response. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=10000H
OCR.FULL_STREAMING_WR.ANY_RESPONSE Counts full streaming stores (64 bytes, WCiLF) that have any type of response. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=10000H
OCR.ALL_REQUESTS.ANY_RESPONSE Counts all requests that have any type of response. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=1DFFFH
OCR.DEMAND_DATA_RD.DRAM Counts demand data reads that were supplied by DRAM. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=1FBC000001H
OCR.DEMAND_RFO.DRAM Counts demand read for ownership (RFO) requests and software prefetches for exclusive ownership (PREFETCHW) that were supplied by DRAM. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=1FBC000002H
OCR.DEMAND_CODE_RD.DRAM Counts demand instruction fetches and L1 instruction cache prefetches that were supplied by DRAM. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=1FBC000004H
OCR.DEMAND_DATA_RD.L3_MISS Counts demand data reads that were not supplied by the L3 cache and were supplied by the system memory (DRAM, MSC, or MMIO). EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=3FBFC00001H
OCR.DEMAND_RFO.L3_MISS Counts demand read for ownership (RFO) requests and software prefetches for exclusive ownership (PREFETCHW) that were not supplied by the L3 cache and were supplied by the system memory (DRAM, MSC, or MMIO). EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=3FBFC00002H
OCR.DEMAND_CODE_RD.L3_MISS Counts demand instruction fetches and L1 instruction cache prefetches that were not supplied by the L3 cache and were supplied by the system memory (DRAM, MSC, or MMIO). EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=3FBFC00004H
OCR.DEMAND_DATA_RD.MEMSIDE_CACHE Counts demand data reads that were supplied by mem side cache. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=1F80000001H
OCR.DEMAND_CODE_RD.MEMSIDE_CACHE Counts demand instruction fetches and L1 instruction cache prefetches that were supplied by mem side cache. EventSel=(B7H) UMask={01H,02H} MSR_OFFCORE_RSPx{1A6H,1A7H}=1F80000004H