tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/metrics.json

   1 [
   2     {
   3         "ArchStdEvent": "FRONTEND_BOUND",
   4         "MetricExpr": "((stall_slot_frontend) if (#slots - 5) else (stall_slot_frontend - cpu_cycles)) / (#slots * cpu_cycles)"
   5     },
   6     {
   7         "ArchStdEvent": "BAD_SPECULATION",
   8         "MetricExpr": "(1 - op_retired / op_spec) * (1 - (stall_slot if (#slots - 5) else (stall_slot - cpu_cycles)) / (#slots * cpu_cycles))"
   9     },
  10     {
  11         "ArchStdEvent": "RETIRING",
  12         "MetricExpr": "(op_retired / op_spec) * (1 - (stall_slot if (#slots - 5) else (stall_slot - cpu_cycles)) / (#slots * cpu_cycles))"
  13     },
  14     {
  15         "ArchStdEvent": "BACKEND_BOUND"
  16     },
  17     {
  18         "MetricExpr": "L1D_TLB_REFILL / L1D_TLB",
  19         "BriefDescription": "The rate of L1D TLB refill to the overall L1D TLB lookups",
  20         "MetricGroup": "TLB",
  21         "MetricName": "l1d_tlb_miss_rate",
  22         "ScaleUnit": "100%"
  23     },
  24     {
  25         "MetricExpr": "L1I_TLB_REFILL / L1I_TLB",
  26         "BriefDescription": "The rate of L1I TLB refill to the overall L1I TLB lookups",
  27         "MetricGroup": "TLB",
  28         "MetricName": "l1i_tlb_miss_rate",
  29         "ScaleUnit": "100%"
  30     },
  31     {
  32         "MetricExpr": "L2D_TLB_REFILL / L2D_TLB",
  33         "BriefDescription": "The rate of L2D TLB refill to the overall L2D TLB lookups",
  34         "MetricGroup": "TLB",
  35         "MetricName": "l2_tlb_miss_rate",
  36         "ScaleUnit": "100%"
  37     },
  38     {
  39         "MetricExpr": "DTLB_WALK / INST_RETIRED * 1000",
  40         "BriefDescription": "The rate of TLB Walks per kilo instructions for data accesses",
  41         "MetricGroup": "TLB",
  42         "MetricName": "dtlb_mpki",
  43         "ScaleUnit": "1MPKI"
  44     },
  45     {
  46         "MetricExpr": "DTLB_WALK / L1D_TLB",
  47         "BriefDescription": "The rate of DTLB Walks to the overall L1D TLB lookups",
  48         "MetricGroup": "TLB",
  49         "MetricName": "dtlb_walk_rate",
  50         "ScaleUnit": "100%"
  51     },
  52     {
  53         "MetricExpr": "ITLB_WALK / INST_RETIRED * 1000",
  54         "BriefDescription": "The rate of TLB Walks per kilo instructions for instruction accesses",
  55         "MetricGroup": "TLB",
  56         "MetricName": "itlb_mpki",
  57         "ScaleUnit": "1MPKI"
  58     },
  59     {
  60         "MetricExpr": "ITLB_WALK / L1I_TLB",
  61         "BriefDescription": "The rate of ITLB Walks to the overall L1I TLB lookups",
  62         "MetricGroup": "TLB",
  63         "MetricName": "itlb_walk_rate",
  64         "ScaleUnit": "100%"
  65     },
  66     {
  67         "MetricExpr": "L1I_CACHE_REFILL / INST_RETIRED * 1000",
  68         "BriefDescription": "The rate of L1 I-Cache misses per kilo instructions",
  69         "MetricGroup": "Cache",
  70         "MetricName": "l1i_cache_mpki",
  71         "ScaleUnit": "1MPKI"
  72     },
  73     {
  74         "MetricExpr": "L1I_CACHE_REFILL / L1I_CACHE",
  75         "BriefDescription": "The rate of L1 I-Cache misses to the overall L1 I-Cache",
  76         "MetricGroup": "Cache",
  77         "MetricName": "l1i_cache_miss_rate",
  78         "ScaleUnit": "100%"
  79     },
  80     {
  81         "MetricExpr": "L1D_CACHE_REFILL / INST_RETIRED * 1000",
  82         "BriefDescription": "The rate of L1 D-Cache misses per kilo instructions",
  83         "MetricGroup": "Cache",
  84         "MetricName": "l1d_cache_mpki",
  85         "ScaleUnit": "1MPKI"
  86     },
  87     {
  88         "MetricExpr": "L1D_CACHE_REFILL / L1D_CACHE",
  89         "BriefDescription": "The rate of L1 D-Cache misses to the overall L1 D-Cache",
  90         "MetricGroup": "Cache",
  91         "MetricName": "l1d_cache_miss_rate",
  92         "ScaleUnit": "100%"
  93     },
  94     {
  95         "MetricExpr": "L2D_CACHE_REFILL / INST_RETIRED * 1000",
  96         "BriefDescription": "The rate of L2 D-Cache misses per kilo instructions",
  97         "MetricGroup": "Cache",
  98         "MetricName": "l2d_cache_mpki",
  99         "ScaleUnit": "1MPKI"
 100     },
 101     {
 102         "MetricExpr": "L2D_CACHE_REFILL / L2D_CACHE",
 103         "BriefDescription": "The rate of L2 D-Cache misses to the overall L2 D-Cache",
 104         "MetricGroup": "Cache",
 105         "MetricName": "l2d_cache_miss_rate",
 106         "ScaleUnit": "100%"
 107     },
 108     {
 109         "MetricExpr": "L3D_CACHE_REFILL / INST_RETIRED * 1000",
 110         "BriefDescription": "The rate of L3 D-Cache misses per kilo instructions",
 111         "MetricGroup": "Cache",
 112         "MetricName": "l3d_cache_mpki",
 113         "ScaleUnit": "1MPKI"
 114     },
 115     {
 116         "MetricExpr": "L3D_CACHE_REFILL / L3D_CACHE",
 117         "BriefDescription": "The rate of L3 D-Cache misses to the overall L3 D-Cache",
 118         "MetricGroup": "Cache",
 119         "MetricName": "l3d_cache_miss_rate",
 120         "ScaleUnit": "100%"
 121     },
 122     {
 123         "MetricExpr": "LL_CACHE_MISS_RD / INST_RETIRED * 1000",
 124         "BriefDescription": "The rate of LL Cache read misses per kilo instructions",
 125         "MetricGroup": "Cache",
 126         "MetricName": "ll_cache_read_mpki",
 127         "ScaleUnit": "1MPKI"
 128     },
 129     {
 130         "MetricExpr": "LL_CACHE_MISS_RD / LL_CACHE_RD",
 131         "BriefDescription": "The rate of LL Cache read misses to the overall LL Cache read",
 132         "MetricGroup": "Cache",
 133         "MetricName": "ll_cache_read_miss_rate",
 134         "ScaleUnit": "100%"
 135     },
 136     {
 137         "MetricExpr": "(LL_CACHE_RD - LL_CACHE_MISS_RD) / LL_CACHE_RD",
 138         "BriefDescription": "The rate of LL Cache read hit to the overall LL Cache read",
 139         "MetricGroup": "Cache",
 140         "MetricName": "ll_cache_read_hit_rate",
 141         "ScaleUnit": "100%"
 142     },
 143     {
 144         "MetricExpr": "BR_MIS_PRED_RETIRED / INST_RETIRED * 1000",
 145         "BriefDescription": "The rate of branches mis-predicted per kilo instructions",
 146         "MetricGroup": "Branch",
 147         "MetricName": "branch_mpki",
 148         "ScaleUnit": "1MPKI"
 149     },
 150     {
 151         "MetricExpr": "BR_RETIRED / INST_RETIRED * 1000",
 152         "BriefDescription": "The rate of branches retired per kilo instructions",
 153         "MetricGroup": "Branch",
 154         "MetricName": "branch_pki",
 155         "ScaleUnit": "1PKI"
 156     },
 157     {
 158         "MetricExpr": "BR_MIS_PRED_RETIRED / BR_RETIRED",
 159         "BriefDescription": "The rate of branches mis-predited to the overall branches",
 160         "MetricGroup": "Branch",
 161         "MetricName": "branch_miss_pred_rate",
 162         "ScaleUnit": "100%"
 163     },
 164     {
 165         "MetricExpr": "instructions / CPU_CYCLES",
 166         "BriefDescription": "The average number of instructions executed for each cycle.",
 167         "MetricGroup": "PEutilization",
 168         "MetricName": "ipc"
 169     },
 170     {
 171         "MetricExpr": "ipc / 5",
 172         "BriefDescription": "IPC percentage of peak. The peak of IPC is 5.",
 173         "MetricGroup": "PEutilization",
 174         "MetricName": "ipc_rate",
 175         "ScaleUnit": "100%"
 176     },
 177     {
 178         "MetricExpr": "INST_RETIRED / CPU_CYCLES",
 179         "BriefDescription": "Architecturally executed Instructions Per Cycle (IPC)",
 180         "MetricGroup": "PEutilization",
 181         "MetricName": "retired_ipc"
 182     },
 183     {
 184         "MetricExpr": "INST_SPEC / CPU_CYCLES",
 185         "BriefDescription": "Speculatively executed Instructions Per Cycle (IPC)",
 186         "MetricGroup": "PEutilization",
 187         "MetricName": "spec_ipc"
 188     },
 189     {
 190         "MetricExpr": "OP_RETIRED / OP_SPEC",
 191         "BriefDescription": "Of all the micro-operations issued, what percentage are retired(committed)",
 192         "MetricGroup": "PEutilization",
 193         "MetricName": "retired_rate",
 194         "ScaleUnit": "100%"
 195     },
 196     {
 197         "MetricExpr": "1 - OP_RETIRED / OP_SPEC",
 198         "BriefDescription": "Of all the micro-operations issued, what percentage are not retired(committed)",
 199         "MetricGroup": "PEutilization",
 200         "MetricName": "wasted_rate",
 201         "ScaleUnit": "100%"
 202     },
 203     {
 204         "MetricExpr": "OP_RETIRED / OP_SPEC * (1 - (STALL_SLOT if (#slots - 5) else (STALL_SLOT - CPU_CYCLES)) / (#slots * CPU_CYCLES))",
 205         "BriefDescription": "The truly effective ratio of micro-operations executed by the CPU, which means that misprediction and stall are not included",
 206         "MetricGroup": "PEutilization",
 207         "MetricName": "cpu_utilization",
 208         "ScaleUnit": "100%"
 209     },
 210     {
 211         "MetricExpr": "LD_SPEC / INST_SPEC",
 212         "BriefDescription": "The rate of load instructions speculatively executed to overall instructions speclatively executed",
 213         "MetricGroup": "InstructionMix",
 214         "MetricName": "load_spec_rate",
 215         "ScaleUnit": "100%"
 216     },
 217     {
 218         "MetricExpr": "ST_SPEC / INST_SPEC",
 219         "BriefDescription": "The rate of store instructions speculatively executed to overall instructions speclatively executed",
 220         "MetricGroup": "InstructionMix",
 221         "MetricName": "store_spec_rate",
 222         "ScaleUnit": "100%"
 223     },
 224     {
 225         "MetricExpr": "DP_SPEC / INST_SPEC",
 226         "BriefDescription": "The rate of integer data-processing instructions speculatively executed to overall instructions speclatively executed",
 227         "MetricGroup": "InstructionMix",
 228         "MetricName": "data_process_spec_rate",
 229         "ScaleUnit": "100%"
 230     },
 231     {
 232         "MetricExpr": "ASE_SPEC / INST_SPEC",
 233         "BriefDescription": "The rate of advanced SIMD instructions speculatively executed to overall instructions speclatively executed",
 234         "MetricGroup": "InstructionMix",
 235         "MetricName": "advanced_simd_spec_rate",
 236         "ScaleUnit": "100%"
 237     },
 238     {
 239         "MetricExpr": "VFP_SPEC / INST_SPEC",
 240         "BriefDescription": "The rate of floating point instructions speculatively executed to overall instructions speclatively executed",
 241         "MetricGroup": "InstructionMix",
 242         "MetricName": "float_point_spec_rate",
 243         "ScaleUnit": "100%"
 244     },
 245     {
 246         "MetricExpr": "CRYPTO_SPEC / INST_SPEC",
 247         "BriefDescription": "The rate of crypto instructions speculatively executed to overall instructions speclatively executed",
 248         "MetricGroup": "InstructionMix",
 249         "MetricName": "crypto_spec_rate",
 250         "ScaleUnit": "100%"
 251     },
 252     {
 253         "MetricExpr": "BR_IMMED_SPEC / INST_SPEC",
 254         "BriefDescription": "The rate of branch immediate instructions speculatively executed to overall instructions speclatively executed",
 255         "MetricGroup": "InstructionMix",
 256         "MetricName": "branch_immed_spec_rate",
 257         "ScaleUnit": "100%"
 258     },
 259     {
 260         "MetricExpr": "BR_RETURN_SPEC / INST_SPEC",
 261         "BriefDescription": "The rate of procedure return instructions speculatively executed to overall instructions speclatively executed",
 262         "MetricGroup": "InstructionMix",
 263         "MetricName": "branch_return_spec_rate",
 264         "ScaleUnit": "100%"
 265     },
 266     {
 267         "MetricExpr": "BR_INDIRECT_SPEC / INST_SPEC",
 268         "BriefDescription": "The rate of indirect branch instructions speculatively executed to overall instructions speclatively executed",
 269         "MetricGroup": "InstructionMix",
 270         "MetricName": "branch_indirect_spec_rate",
 271         "ScaleUnit": "100%"
 272     }
 273 ]