tools/perf/pmu-events/arch/s390/cf_z15/transaction.json

Source file repositories/reference/linux-study-clean/tools/perf/pmu-events/arch/s390/cf_z15/transaction.json

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/s390/cf_z15/transaction.json
Extension
.json
Size
3653 bytes
Lines
73
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": "Transaction count",
    "MetricName": "transaction",
    "MetricExpr": "TX_C_TEND + TX_NC_TEND + TX_NC_TABORT + TX_C_TABORT_SPECIAL + TX_C_TABORT_NO_SPECIAL"
  },
  {
    "BriefDescription": "Cycles per Instruction",
    "MetricName": "cpi",
    "MetricExpr": "CPU_CYCLES / INSTRUCTIONS"
  },
  {
    "BriefDescription": "Problem State Instruction Ratio",
    "MetricName": "prbstate",
    "MetricExpr": "(PROBLEM_STATE_INSTRUCTIONS / INSTRUCTIONS) * 100"
  },
  {
    "BriefDescription": "Level One Miss per 100 Instructions",
    "MetricName": "l1mp",
    "MetricExpr": "((L1I_DIR_WRITES + L1D_DIR_WRITES) / INSTRUCTIONS) * 100"
  },
  {
    "BriefDescription": "Percentage sourced from Level 2 cache",
    "MetricName": "l2p",
    "MetricExpr": "((L1D_L2D_SOURCED_WRITES + L1I_L2I_SOURCED_WRITES) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100"
  },
  {
    "BriefDescription": "Percentage sourced from Level 3 on same chip cache",
    "MetricName": "l3p",
    "MetricExpr": "((L1D_ONCHIP_L3_SOURCED_WRITES + L1D_ONCHIP_L3_SOURCED_WRITES_IV + L1I_ONCHIP_L3_SOURCED_WRITES + L1I_ONCHIP_L3_SOURCED_WRITES_IV) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100"
  },
  {
    "BriefDescription": "Percentage sourced from Level 4 Local cache on same book",
    "MetricName": "l4lp",
    "MetricExpr": "((L1D_ONCLUSTER_L3_SOURCED_WRITES + L1D_ONCLUSTER_L3_SOURCED_WRITES_IV + L1D_ONDRAWER_L4_SOURCED_WRITES + L1I_ONCLUSTER_L3_SOURCED_WRITES + L1I_ONCLUSTER_L3_SOURCED_WRITES_IV + L1I_ONDRAWER_L4_SOURCED_WRITES + L1D_OFFCLUSTER_L3_SOURCED_WRITES + L1D_OFFCLUSTER_L3_SOURCED_WRITES_IV + L1D_ONCHIP_L3_SOURCED_WRITES_RO + L1I_OFFCLUSTER_L3_SOURCED_WRITES + L1I_OFFCLUSTER_L3_SOURCED_WRITES_IV) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100"
  },
  {
    "BriefDescription": "Percentage sourced from Level 4 Remote cache on different book",
    "MetricName": "l4rp",
    "MetricExpr": "((L1D_OFFDRAWER_L3_SOURCED_WRITES + L1D_OFFDRAWER_L3_SOURCED_WRITES_IV + L1D_OFFDRAWER_L4_SOURCED_WRITES + L1I_OFFDRAWER_L3_SOURCED_WRITES + L1I_OFFDRAWER_L3_SOURCED_WRITES_IV + L1I_OFFDRAWER_L4_SOURCED_WRITES) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100"
  },
  {
    "BriefDescription": "Percentage sourced from memory",
    "MetricName": "memp",
    "MetricExpr": "((L1D_ONCHIP_MEMORY_SOURCED_WRITES + L1D_ONCLUSTER_MEMORY_SOURCED_WRITES + L1D_OFFCLUSTER_MEMORY_SOURCED_WRITES + L1D_OFFDRAWER_MEMORY_SOURCED_WRITES + L1I_ONCHIP_MEMORY_SOURCED_WRITES + L1I_ONCLUSTER_MEMORY_SOURCED_WRITES + L1I_OFFCLUSTER_MEMORY_SOURCED_WRITES + L1I_OFFDRAWER_MEMORY_SOURCED_WRITES) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100"
  },
  {
    "BriefDescription": "Cycles per Instructions from Finite cache/memory",
    "MetricName": "finite_cpi",
    "MetricExpr": "L1C_TLB2_MISSES / INSTRUCTIONS"
  },
  {
    "BriefDescription": "Estimated Instruction Complexity CPI infinite Level 1",
    "MetricName": "est_cpi",
    "MetricExpr": "(CPU_CYCLES / INSTRUCTIONS) - (L1C_TLB2_MISSES / INSTRUCTIONS)"
  },
  {
    "BriefDescription": "Estimated Sourcing Cycles per Level 1 Miss",
    "MetricName": "scpl1m",
    "MetricExpr": "L1C_TLB2_MISSES / (L1I_DIR_WRITES + L1D_DIR_WRITES)"
  },
  {
    "BriefDescription": "Estimated TLB CPU percentage of Total CPU",
    "MetricName": "tlb_percent",
    "MetricExpr": "((DTLB2_MISSES + ITLB2_MISSES) / CPU_CYCLES) * (L1C_TLB2_MISSES / (L1I_PENALTY_CYCLES + L1D_PENALTY_CYCLES)) * 100"
  },
  {
    "BriefDescription": "Estimated Cycles per TLB Miss",
    "MetricName": "tlb_miss",
    "MetricExpr": "((DTLB2_MISSES + ITLB2_MISSES) / (DTLB2_WRITES + ITLB2_WRITES)) * (L1C_TLB2_MISSES / (L1I_PENALTY_CYCLES + L1D_PENALTY_CYCLES))"

Annotation

Implementation Notes