tools/perf/pmu-events/arch/x86/skylake/cache.json

Source file repositories/reference/linux-study-clean/tools/perf/pmu-events/arch/x86/skylake/cache.json

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/x86/skylake/cache.json
Extension
.json
Size
90613 bytes
Lines
2399
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": "L1D data line replacements",
        "Counter": "0,1,2,3",
        "EventCode": "0x51",
        "EventName": "L1D.REPLACEMENT",
        "PublicDescription": "Counts L1D data line replacements including opportunistic replacements, and replacements that require stall-for-replace or block-for-replace.",
        "SampleAfterValue": "2000003",
        "UMask": "0x1"
    },
    {
        "BriefDescription": "Number of times a request needed a FB entry but there was no entry available for it. That is the FB unavailability was dominant reason for blocking the request. A request includes cacheable/uncacheable demands that is load, store or SW prefetch.",
        "Counter": "0,1,2,3",
        "EventCode": "0x48",
        "EventName": "L1D_PEND_MISS.FB_FULL",
        "PublicDescription": "Number of times a request needed a FB (Fill Buffer) entry but there was no entry available for it. A request includes cacheable/uncacheable demands that are load, store or SW prefetch instructions.",
        "SampleAfterValue": "2000003",
        "UMask": "0x2"
    },
    {
        "BriefDescription": "L1D miss outstandings duration in cycles",
        "Counter": "0,1,2,3",
        "EventCode": "0x48",
        "EventName": "L1D_PEND_MISS.PENDING",
        "PublicDescription": "Counts duration of L1D miss outstanding, that is each cycle number of Fill Buffers (FB) outstanding required by Demand Reads. FB either is held by demand loads, or it is held by non-demand loads and gets hit at least once by demand. The valid outstanding interval is defined until the FB deallocation by one of the following ways: from FB allocation, if FB is allocated by demand from the demand Hit FB, if it is allocated by hardware or software prefetch.Note: In the L1D, a Demand Read contains cacheable or noncacheable demand loads, including ones causing cache-line splits and reads due to page walks resulted from any request type.",
        "SampleAfterValue": "2000003",
        "UMask": "0x1"
    },
    {
        "BriefDescription": "Cycles with L1D load Misses outstanding.",
        "Counter": "0,1,2,3",
        "CounterMask": "1",
        "EventCode": "0x48",
        "EventName": "L1D_PEND_MISS.PENDING_CYCLES",
        "PublicDescription": "Counts duration of L1D miss outstanding in cycles.",
        "SampleAfterValue": "2000003",
        "UMask": "0x1"
    },
    {
        "AnyThread": "1",
        "BriefDescription": "Cycles with L1D load Misses outstanding from any thread on physical core.",
        "Counter": "0,1,2,3",
        "CounterMask": "1",
        "EventCode": "0x48",
        "EventName": "L1D_PEND_MISS.PENDING_CYCLES_ANY",
        "SampleAfterValue": "2000003",
        "UMask": "0x1"
    },
    {
        "BriefDescription": "L2 cache lines filling L2",
        "Counter": "0,1,2,3",
        "EventCode": "0xF1",
        "EventName": "L2_LINES_IN.ALL",
        "PublicDescription": "Counts the number of L2 cache lines filling the L2. Counting does not cover rejects.",
        "SampleAfterValue": "100003",
        "UMask": "0x1f"
    },
    {
        "BriefDescription": "Counts the number of lines that are evicted by L2 cache when triggered by an L2 cache fill. Those lines are in Modified state. Modified lines are written back to L3",
        "Counter": "0,1,2,3",
        "EventCode": "0xF2",
        "EventName": "L2_LINES_OUT.NON_SILENT",
        "SampleAfterValue": "200003",
        "UMask": "0x2"
    },
    {
        "BriefDescription": "Counts the number of lines that are silently dropped by L2 cache when triggered by an L2 cache fill. These lines are typically in Shared or Exclusive state. A non-threaded event.",
        "Counter": "0,1,2,3",
        "EventCode": "0xF2",
        "EventName": "L2_LINES_OUT.SILENT",

Annotation

Implementation Notes