Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

[
  {
    "Unit": "CBO",
    "EventCode": "0x22",
    "UMask": "0x01",
    "EventName": "UNC_CBO_XSNP_RESPONSE.MISS",
    "BriefDescription": "A snoop misses in some processor core.",
    "PublicDescription": "A snoop misses in some processor core.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x22",
    "UMask": "0x02",
    "EventName": "UNC_CBO_XSNP_RESPONSE.INVAL",
    "BriefDescription": "A snoop invalidates a non-modified line in some processor core.",
    "PublicDescription": "A snoop invalidates a non-modified line in some processor core.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x22",
    "UMask": "0x04",
    "EventName": "UNC_CBO_XSNP_RESPONSE.HIT",
    "BriefDescription": "A snoop hits a non-modified line in some processor core.",
    "PublicDescription": "A snoop hits a non-modified line in some processor core.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x22",
    "UMask": "0x08",
    "EventName": "UNC_CBO_XSNP_RESPONSE.HITM",
    "BriefDescription": "A snoop hits a modified line in some processor core.",
    "PublicDescription": "A snoop hits a modified line in some processor core.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x22",
    "UMask": "0x10",
    "EventName": "UNC_CBO_XSNP_RESPONSE.INVAL_M",
    "BriefDescription": "A snoop invalidates a modified line in some processor core.",
    "PublicDescription": "A snoop invalidates a modified line in some processor core.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x22",
    "UMask": "0x20",
    "EventName": "UNC_CBO_XSNP_RESPONSE.EXTERNAL_FILTER",
    "BriefDescription": "Filter on cross-core snoops initiated by this Cbox due to external snoop request.",
    "PublicDescription": "Filter on cross-core snoops initiated by this Cbox due to external snoop request.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x22",
    "UMask": "0x40",
    "EventName": "UNC_CBO_XSNP_RESPONSE.XCORE_FILTER",
    "BriefDescription": "Filter on cross-core snoops initiated by this Cbox due to processor core memory request.",
    "PublicDescription": "Filter on cross-core snoops initiated by this Cbox due to processor core memory request.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x22",
    "UMask": "0x80",
    "EventName": "UNC_CBO_XSNP_RESPONSE.EVICTION_FILTER",
    "BriefDescription": "Filter on cross-core snoops initiated by this Cbox due to LLC eviction.",
    "PublicDescription": "Filter on cross-core snoops initiated by this Cbox due to LLC eviction.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x34",
    "UMask": "0x01",
    "EventName": "UNC_CBO_CACHE_LOOKUP.M",
    "BriefDescription": "LLC lookup request that access cache and found line in M-state.",
    "PublicDescription": "LLC lookup request that access cache and found line in M-state.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x34",
    "UMask": "0x02",
    "EventName": "UNC_CBO_CACHE_LOOKUP.E",
    "BriefDescription": "LLC lookup request that access cache and found line in E-state.",
    "PublicDescription": "LLC lookup request that access cache and found line in E-state.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x34",
    "UMask": "0x04",
    "EventName": "UNC_CBO_CACHE_LOOKUP.S",
    "BriefDescription": "LLC lookup request that access cache and found line in S-state.",
    "PublicDescription": "LLC lookup request that access cache and found line in S-state.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x34",
    "UMask": "0x08",
    "EventName": "UNC_CBO_CACHE_LOOKUP.I",
    "BriefDescription": "LLC lookup request that access cache and found line in I-state.",
    "PublicDescription": "LLC lookup request that access cache and found line in I-state.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x34",
    "UMask": "0x10",
    "EventName": "UNC_CBO_CACHE_LOOKUP.READ_FILTER",
    "BriefDescription": "Filter on processor core initiated cacheable read requests.",
    "PublicDescription": "Filter on processor core initiated cacheable read requests.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x34",
    "UMask": "0x20",
    "EventName": "UNC_CBO_CACHE_LOOKUP.WRITE_FILTER",
    "BriefDescription": "Filter on processor core initiated cacheable write requests.",
    "PublicDescription": "Filter on processor core initiated cacheable write requests.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x34",
    "UMask": "0x40",
    "EventName": "UNC_CBO_CACHE_LOOKUP.EXTSNP_FILTER",
    "BriefDescription": "Filter on external snoop requests.",
    "PublicDescription": "Filter on external snoop requests.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x34",
    "UMask": "0x80",
    "EventName": "UNC_CBO_CACHE_LOOKUP.ANY_REQUEST_FILTER",
    "BriefDescription": "Filter on any IRQ or IPQ initiated requests including uncacheable, non-coherent requests.",
    "PublicDescription": "Filter on any IRQ or IPQ initiated requests including uncacheable, non-coherent requests.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "ARB",
    "EventCode": "0x80",
    "UMask": "0x01",
    "EventName": "UNC_ARB_TRK_OCCUPANCY.ALL",
    "BriefDescription": "Counts cycles weighted by the number of requests waiting for data returning from the memory controller. Accounts for coherent and non-coherent requests initiated by IA cores, processor graphic units, or LLC.",
    "PublicDescription": "Counts cycles weighted by the number of requests waiting for data returning from the memory controller. Accounts for coherent and non-coherent requests initiated by IA cores, processor graphic units, or LLC.",
    "Counter": "0",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "ARB",
    "EventCode": "0x81",
    "UMask": "0x01",
    "EventName": "UNC_ARB_TRK_REQUESTS.ALL",
    "BriefDescription": "Counts the number of coherent and in-coherent requests initiated by IA cores, processor graphic units, or LLC.",
    "PublicDescription": "Counts the number of coherent and in-coherent requests initiated by IA cores, processor graphic units, or LLC.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "ARB",
    "EventCode": "0x81",
    "UMask": "0x20",
    "EventName": "UNC_ARB_TRK_REQUESTS.WRITES",
    "BriefDescription": "Counts the number of allocated write entries, include full, partial, and LLC evictions.",
    "PublicDescription": "Counts the number of allocated write entries, include full, partial, and LLC evictions.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "ARB",
    "EventCode": "0x81",
    "UMask": "0x80",
    "EventName": "UNC_ARB_TRK_REQUESTS.EVICTIONS",
    "BriefDescription": "Counts the number of LLC evictions allocated.",
    "PublicDescription": "Counts the number of LLC evictions allocated.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "ARB",
    "EventCode": "0x83",
    "UMask": "0x01",
    "EventName": "UNC_ARB_COH_TRK_OCCUPANCY.ALL",
    "BriefDescription": "Cycles weighted by number of requests pending in Coherency Tracker.",
    "PublicDescription": "Cycles weighted by number of requests pending in Coherency Tracker.",
    "Counter": "0",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "ARB",
    "EventCode": "0x84",
    "UMask": "0x01",
    "EventName": "UNC_ARB_COH_TRK_REQUESTS.ALL",
    "BriefDescription": "Number of requests allocated in Coherency Tracker.",
    "PublicDescription": "Number of requests allocated in Coherency Tracker.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "ARB",
    "EventCode": "0x80",
    "UMask": "0x01",
    "EventName": "UNC_ARB_TRK_OCCUPANCY.CYCLES_WITH_ANY_REQUEST",
    "BriefDescription": "Cycles with at least one request outstanding is waiting for data return from memory controller. Account for coherent and non-coherent requests initiated by IA Cores, Processor Graphics Unit, or LLC.",
    "PublicDescription": "Cycles with at least one request outstanding is waiting for data return from memory controller. Account for coherent and non-coherent requests initiated by IA Cores, Processor Graphics Unit, or LLC.",
    "Counter": "0,1",
    "CounterMask": "1",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "ARB",
    "EventCode": "0x80",
    "UMask": "0x01",
    "EventName": "UNC_ARB_TRK_OCCUPANCY.CYCLES_OVER_HALF_FULL",
    "BriefDescription": "Cycles with at least half of the requests outstanding are waiting for data return from memory controller. Account for coherent and non-coherent requests initiated by IA Cores, Processor Graphics Unit, or LLC.",
    "PublicDescription": "Cycles with at least half of the requests outstanding are waiting for data return from memory controller. Account for coherent and non-coherent requests initiated by IA Cores, Processor Graphics Unit, or LLC.",
    "Counter": "0,1",
    "CounterMask": "10",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "ARB",
    "EventCode": "0x0",
    "UMask": "0x01",
    "EventName": "UNC_CLOCK.SOCKET",
    "BriefDescription": "This 48-bit fixed counter counts the UCLK cycles.",
    "PublicDescription": "This 48-bit fixed counter counts the UCLK cycles.",
    "Counter": "Fixed",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  },
  {
    "Unit": "CBO",
    "EventCode": "0x34",
    "UMask": "0x06",
    "EventName": "UNC_CBO_CACHE_LOOKUP.ES",
    "BriefDescription": "LLC lookup request that access cache and found line in E-state or S-state.",
    "PublicDescription": "LLC lookup request that access cache and found line in E-state or S-state.",
    "Counter": "0,1",
    "CounterMask": "0",
    "Invert": "0",
    "EdgeDetect": "0"
  }
]