tools/perf/pmu-events/arch/x86/alderlake/uncore-memory.json

[
    {
        "BriefDescription": "Counts every 64B read  request entering the Memory Controller 0 to DRAM (sum of all channels).",
        "EventName": "UNC_MC0_RDCAS_COUNT_FREERUN",
        "PerPkg": "1",
        "PublicDescription": "Counts every 64B read request entering the Memory Controller 0 to DRAM (sum of all channels).",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "Counts every 64B write request entering the Memory Controller 0 to DRAM (sum of all channels). Each write request counts as a new request incrementing this counter. However, same cache line write requests (both full and partial) are combined to a single 64 byte data transfer to DRAM.",
        "EventName": "UNC_MC0_WRCAS_COUNT_FREERUN",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "Counts every 64B read request entering the Memory Controller 1 to DRAM (sum of all channels).",
        "EventName": "UNC_MC1_RDCAS_COUNT_FREERUN",
        "PerPkg": "1",
        "PublicDescription": "Counts every 64B read entering the Memory Controller 1 to DRAM (sum of all channels).",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "Counts every 64B write request entering the Memory Controller 1 to DRAM (sum of all channels). Each write request counts as a new request incrementing this counter. However, same cache line write requests (both full and partial) are combined to a single 64 byte data transfer to DRAM.",
        "EventName": "UNC_MC1_WRCAS_COUNT_FREERUN",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "ACT command for a read request sent to DRAM",
        "EventCode": "0x24",
        "EventName": "UNC_M_ACT_COUNT_RD",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "ACT command sent to DRAM",
        "EventCode": "0x26",
        "EventName": "UNC_M_ACT_COUNT_TOTAL",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "ACT command for a write request sent to DRAM",
        "EventCode": "0x25",
        "EventName": "UNC_M_ACT_COUNT_WR",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "Read CAS command sent to DRAM",
        "EventCode": "0x22",
        "EventName": "UNC_M_CAS_COUNT_RD",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "Write CAS command sent to DRAM",
        "EventCode": "0x23",
        "EventName": "UNC_M_CAS_COUNT_WR",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "Number of clocks",
        "EventCode": "0x01",
        "EventName": "UNC_M_CLOCKTICKS",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "incoming read request page status is Page Empty",
        "EventCode": "0x1D",
        "EventName": "UNC_M_DRAM_PAGE_EMPTY_RD",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "incoming write request page status is Page Empty",
        "EventCode": "0x20",
        "EventName": "UNC_M_DRAM_PAGE_EMPTY_WR",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "incoming read request page status is Page Hit",
        "EventCode": "0x1C",
        "EventName": "UNC_M_DRAM_PAGE_HIT_RD",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "incoming write request page status is Page Hit",
        "EventCode": "0x1F",
        "EventName": "UNC_M_DRAM_PAGE_HIT_WR",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "incoming read request page status is Page Miss",
        "EventCode": "0x1E",
        "EventName": "UNC_M_DRAM_PAGE_MISS_RD",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "incoming write request page status is Page Miss",
        "EventCode": "0x21",
        "EventName": "UNC_M_DRAM_PAGE_MISS_WR",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "Any Rank at Hot state",
        "EventCode": "0x19",
        "EventName": "UNC_M_DRAM_THERMAL_HOT",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "Any Rank at Warm state",
        "EventCode": "0x1A",
        "EventName": "UNC_M_DRAM_THERMAL_WARM",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "Incoming read prefetch request from IA.",
        "EventCode": "0x0A",
        "EventName": "UNC_M_PREFETCH_RD",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "PRE command sent to DRAM due to page table idle timer expiration",
        "EventCode": "0x28",
        "EventName": "UNC_M_PRE_COUNT_IDLE",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "PRE command sent to DRAM for a read/write request",
        "EventCode": "0x27",
        "EventName": "UNC_M_PRE_COUNT_PAGE_MISS",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "Incoming VC0 read request",
        "EventCode": "0x02",
        "EventName": "UNC_M_VC0_REQUESTS_RD",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "Incoming VC0 write request",
        "EventCode": "0x03",
        "EventName": "UNC_M_VC0_REQUESTS_WR",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "Incoming VC1 read request",
        "EventCode": "0x04",
        "EventName": "UNC_M_VC1_REQUESTS_RD",
        "PerPkg": "1",
        "Unit": "iMC"
    },
    {
        "BriefDescription": "Incoming VC1 write request",
        "EventCode": "0x05",
        "EventName": "UNC_M_VC1_REQUESTS_WR",
        "PerPkg": "1",
        "Unit": "iMC"
    }
]