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

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

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/x86/grandridge/uncore-memory.json
Extension
.json
Size
26672 bytes
Lines
790
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": "DRAM Activate Count : Counts the number of DRAM Activate commands sent on this channel.  Activate commands are issued to open up a page on the DRAM devices so that it can be read or written to with a CAS.  One can calculate the number of Page Misses by subtracting the number of Page Miss precharges from the number of Activates.",
        "Counter": "0,1,2,3",
        "EventCode": "0x02",
        "EventName": "UNC_M_ACT_COUNT.ALL",
        "PerPkg": "1",
        "UMask": "0xf7",
        "Unit": "IMC"
    },
    {
        "BriefDescription": "DRAM Activate Count : Read transaction on Page Empty or Page Miss : Counts the number of DRAM Activate commands sent on this channel.  Activate commands are issued to open up a page on the DRAM devices so that it can be read or written to with a CAS.  One can calculate the number of Page Misses by subtracting the number of Page Miss precharges from the number of Activates.",
        "Counter": "0,1,2,3",
        "EventCode": "0x02",
        "EventName": "UNC_M_ACT_COUNT.RD",
        "Experimental": "1",
        "PerPkg": "1",
        "UMask": "0xf1",
        "Unit": "IMC"
    },
    {
        "BriefDescription": "DRAM Activate Count : Underfill Read transaction on Page Empty or Page Miss : Counts the number of DRAM Activate commands sent on this channel.  Activate commands are issued to open up a page on the DRAM devices so that it can be read or written to with a CAS.  One can calculate the number of Page Misses by subtracting the number of Page Miss precharges from the number of Activates.",
        "Counter": "0,1,2,3",
        "EventCode": "0x02",
        "EventName": "UNC_M_ACT_COUNT.UFILL",
        "Experimental": "1",
        "PerPkg": "1",
        "UMask": "0xf4",
        "Unit": "IMC"
    },
    {
        "BriefDescription": "DRAM Activate Count : Write transaction on Page Empty or Page Miss : Counts the number of DRAM Activate commands sent on this channel.  Activate commands are issued to open up a page on the DRAM devices so that it can be read or written to with a CAS.  One can calculate the number of Page Misses by subtracting the number of Page Miss precharges from the number of Activates.",
        "Counter": "0,1,2,3",
        "EventCode": "0x02",
        "EventName": "UNC_M_ACT_COUNT.WR",
        "Experimental": "1",
        "PerPkg": "1",
        "UMask": "0xf2",
        "Unit": "IMC"
    },
    {
        "BriefDescription": "CAS count for SubChannel 0, all CAS operations",
        "Counter": "0,1,2,3",
        "EventCode": "0x05",
        "EventName": "UNC_M_CAS_COUNT_SCH0.ALL",
        "PerPkg": "1",
        "UMask": "0xff",
        "Unit": "IMC"
    },
    {
        "BriefDescription": "CAS count for SubChannel 0, all reads",
        "Counter": "0,1,2,3",
        "EventCode": "0x05",
        "EventName": "UNC_M_CAS_COUNT_SCH0.RD",
        "PerPkg": "1",
        "UMask": "0xcf",
        "Unit": "IMC"
    },
    {
        "BriefDescription": "CAS count for SubChannel 0 regular reads",
        "Counter": "0,1,2,3",
        "EventCode": "0x05",
        "EventName": "UNC_M_CAS_COUNT_SCH0.RD_REG",
        "PerPkg": "1",
        "UMask": "0xc1",
        "Unit": "IMC"
    },
    {
        "BriefDescription": "CAS count for SubChannel 0 underfill reads",
        "Counter": "0,1,2,3",

Annotation

Implementation Notes