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Lunar Lake Client - Uncore Events

Microarchitectures

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

Uncore Events

Event Name Description Programming Info
UNC_CLOCK.SOCKET This 48-bit fixed counter counts the UCLK cycles. MSR_UNC_PERF_FIXED_CTR Fixed
UNC_M_CAS_COUNT_RD Read CAS command sent to DRAM EventSel=22H UMask=00H Counter=0,1,2,3,4
UNC_M_CAS_COUNT_WR Write CAS command sent to DRAM EventSel=23H UMask=00H Counter=0,1,2,3,4
UNC_M_TOTAL_DATA Total number of read and write byte transfers to/from DRAM, in 32B chunk, per DDR channel. Counter increments by 1 after sending or receiving 32B chunk data. EventSel=3CH UMask=00H Counter=0,1,2,3,4