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

Source file repositories/reference/linux-study-clean/tools/perf/pmu-events/arch/x86/emeraldrapids/uncore-memory.json

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/x86/emeraldrapids/uncore-memory.json
Extension
.json
Size
157975 bytes
Lines
4175
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

[
    {
        "BriefDescription": "Cycles - at UCLK",
        "Counter": "0,1,2,3",
        "EventCode": "0x01",
        "EventName": "UNC_M2HBM_CLOCKTICKS",
        "PerPkg": "1",
        "Unit": "M2HBM"
    },
    {
        "BriefDescription": "CMS Clockticks",
        "Counter": "0,1,2,3",
        "EventCode": "0xc0",
        "EventName": "UNC_M2HBM_CMS_CLOCKTICKS",
        "PerPkg": "1",
        "Unit": "M2HBM"
    },
    {
        "BriefDescription": "Cycles when direct to core mode (which bypasses the CHA) was disabled",
        "Counter": "0,1,2,3",
        "EventCode": "0x17",
        "EventName": "UNC_M2HBM_DIRECT2CORE_NOT_TAKEN_DIRSTATE",
        "Experimental": "1",
        "PerPkg": "1",
        "UMask": "0x7",
        "Unit": "M2HBM"
    },
    {
        "BriefDescription": "Cycles when direct to core mode, which bypasses the CHA, was disabled : Non Cisgress",
        "Counter": "0,1,2,3",
        "EventCode": "0x17",
        "EventName": "UNC_M2HBM_DIRECT2CORE_NOT_TAKEN_DIRSTATE.NON_CISGRESS",
        "Experimental": "1",
        "PerPkg": "1",
        "PublicDescription": "Counts the number of time non cisgress D2C was not honoured by egress due to directory state constraints",
        "UMask": "0x2",
        "Unit": "M2HBM"
    },
    {
        "BriefDescription": "Counts the time when FM didn't do d2c for fill reads (cross tile case)",
        "Counter": "0,1,2,3",
        "EventCode": "0x4a",
        "EventName": "UNC_M2HBM_DIRECT2CORE_NOT_TAKEN_NOTFORKED",
        "Experimental": "1",
        "PerPkg": "1",
        "Unit": "M2HBM"
    },
    {
        "BriefDescription": "Number of reads in which direct to core transaction were overridden",
        "Counter": "0,1,2,3",
        "EventCode": "0x18",
        "EventName": "UNC_M2HBM_DIRECT2CORE_TXN_OVERRIDE",
        "Experimental": "1",
        "PerPkg": "1",
        "UMask": "0x3",
        "Unit": "M2HBM"
    },
    {
        "BriefDescription": "Number of reads in which direct to core transaction was overridden : Cisgress",
        "Counter": "0,1,2,3",
        "EventCode": "0x18",
        "EventName": "UNC_M2HBM_DIRECT2CORE_TXN_OVERRIDE.CISGRESS",
        "Experimental": "1",
        "PerPkg": "1",
        "UMask": "0x2",
        "Unit": "M2HBM"
    },
    {
        "BriefDescription": "Number of reads in which direct to Intel UPI transactions were overridden",
        "Counter": "0,1,2,3",

Annotation

Implementation Notes