tools/perf/pmu-events/arch/x86/haswellx/uncore-power.json

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

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/x86/haswellx/uncore-power.json
Extension
.json
Size
25543 bytes
Lines
563
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": "pclk Cycles",
        "Counter": "0,1,2,3",
        "EventName": "UNC_P_CLOCKTICKS",
        "PerPkg": "1",
        "PublicDescription": "The PCU runs off a fixed 800 MHz clock.  This event counts the number of pclk cycles measured while the counter was enabled.  The pclk, like the Memory Controller's dclk, counts at a constant rate making it a good measure of actual wall time.",
        "Unit": "PCU"
    },
    {
        "BriefDescription": "Core C State Transition Cycles",
        "Counter": "0,1,2,3",
        "EventCode": "0x60",
        "EventName": "UNC_P_CORE0_TRANSITION_CYCLES",
        "PerPkg": "1",
        "PublicDescription": "Number of cycles spent performing core C state transitions.  There is one event per core.",
        "Unit": "PCU"
    },
    {
        "BriefDescription": "Core C State Transition Cycles",
        "Counter": "0,1,2,3",
        "EventCode": "0x6A",
        "EventName": "UNC_P_CORE10_TRANSITION_CYCLES",
        "PerPkg": "1",
        "PublicDescription": "Number of cycles spent performing core C state transitions.  There is one event per core.",
        "Unit": "PCU"
    },
    {
        "BriefDescription": "Core C State Transition Cycles",
        "Counter": "0,1,2,3",
        "EventCode": "0x6B",
        "EventName": "UNC_P_CORE11_TRANSITION_CYCLES",
        "PerPkg": "1",
        "PublicDescription": "Number of cycles spent performing core C state transitions.  There is one event per core.",
        "Unit": "PCU"
    },
    {
        "BriefDescription": "Core C State Transition Cycles",
        "Counter": "0,1,2,3",
        "EventCode": "0x6C",
        "EventName": "UNC_P_CORE12_TRANSITION_CYCLES",
        "PerPkg": "1",
        "PublicDescription": "Number of cycles spent performing core C state transitions.  There is one event per core.",
        "Unit": "PCU"
    },
    {
        "BriefDescription": "Core C State Transition Cycles",
        "Counter": "0,1,2,3",
        "EventCode": "0x6D",
        "EventName": "UNC_P_CORE13_TRANSITION_CYCLES",
        "PerPkg": "1",
        "PublicDescription": "Number of cycles spent performing core C state transitions.  There is one event per core.",
        "Unit": "PCU"
    },
    {
        "BriefDescription": "Core C State Transition Cycles",
        "Counter": "0,1,2,3",
        "EventCode": "0x6E",
        "EventName": "UNC_P_CORE14_TRANSITION_CYCLES",
        "PerPkg": "1",
        "PublicDescription": "Number of cycles spent performing core C state transitions.  There is one event per core.",
        "Unit": "PCU"
    },
    {
        "BriefDescription": "Core C State Transition Cycles",
        "Counter": "0,1,2,3",
        "EventCode": "0x6F",
        "EventName": "UNC_P_CORE15_TRANSITION_CYCLES",
        "PerPkg": "1",
        "PublicDescription": "Number of cycles spent performing core C state transitions.  There is one event per core.",

Annotation

Implementation Notes