Re: [PATCH 4/4] perf vendor events amd: Add Zen 4 metrics

[Ian Rogers]

On Tue, Dec 6, 2022 at 9:32 PM Sandipan Das <sandipan.das@xxxxxxx> wrote:
>
> Add metrics taken from Section 2.1.15.2 "Performance Measurement" in
> the Processor Programming Reference (PPR) for AMD Family 19h Model 11h
> Revision B1 processors.
>
> The recommended metrics are sourced from Table 27 "Guidance for Common
> Performance Statistics with Complex Event Selects".
>
> The pipeline utilization metrics are sourced from Table 28 "Guidance
> for Pipeline Utilization Analysis Statistics". These are new to Zen 4
> processors and useful for finding performance bottlenecks by analyzing
> activity at different stages of the pipeline. Metric groups have been
> added for Level 1 and Level 2 analysis.
>
> Signed-off-by: Sandipan Das <sandipan.das@xxxxxxx>
> ---
>  .../pmu-events/arch/x86/amdzen4/pipeline.json |  98 +++++
>  .../arch/x86/amdzen4/recommended.json         | 334 ++++++++++++++++++
>  2 files changed, 432 insertions(+)
>  create mode 100644 tools/perf/pmu-events/arch/x86/amdzen4/pipeline.json
>  create mode 100644 tools/perf/pmu-events/arch/x86/amdzen4/recommended.json
>
> diff --git a/tools/perf/pmu-events/arch/x86/amdzen4/pipeline.json b/tools/perf/pmu-events/arch/x86/amdzen4/pipeline.json
> new file mode 100644
> index 000000000000..23d1f35d0903
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/x86/amdzen4/pipeline.json
> @@ -0,0 +1,98 @@
> +[
> +  {
> +    "MetricName": "total_dispatch_slots",
> +    "BriefDescription": "Total dispatch slots (upto 6 instructions can be dispatched in each cycle).",
> +    "MetricExpr": "6 * ls_not_halted_cyc"
> +  },
> +  {
> +    "MetricName": "frontend_bound",
> +    "BriefDescription": "Fraction of dispatch slots that remained unused because the frontend did not supply enough instructions/ops.",
> +    "MetricExpr": "d_ratio(de_no_dispatch_per_slot.no_ops_from_frontend, total_dispatch_slots)",
> +    "MetricGroup": "pipeline_utilization_level1",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "bad_speculation",
> +    "BriefDescription": "Fraction of dispatched ops that did not retire.",
> +    "MetricExpr": "d_ratio(de_src_op_disp.all - ex_ret_ops, total_dispatch_slots)",
> +    "MetricGroup": "pipeline_utilization_level1",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "backend_bound",
> +    "BriefDescription": "Fraction of dispatch slots that remained unused because of backend stalls.",
> +    "MetricExpr": "d_ratio(de_no_dispatch_per_slot.backend_stalls, total_dispatch_slots)",
> +    "MetricGroup": "pipeline_utilization_level1",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "smt_contention",
> +    "BriefDescription": "Fraction of dispatch slots that remained unused because the other thread was selected.",
> +    "MetricExpr": "d_ratio(de_no_dispatch_per_slot.smt_contention, total_dispatch_slots)",
> +    "MetricGroup": "pipeline_utilization_level1",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "retiring",
> +    "BriefDescription": "Fraction of dispatch slots used by ops that retired.",
> +    "MetricExpr": "d_ratio(ex_ret_ops, total_dispatch_slots)",
> +    "MetricGroup": "pipeline_utilization_level1",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "frontend_bound_latency",
> +    "BriefDescription": "Fraction of dispatch slots that remained unused because of a latency bottleneck in the frontend (such as instruction cache or TLB misses).",
> +    "MetricExpr": "d_ratio((6 * cpu@de_no_dispatch_per_slot.no_ops_from_frontend\\,cmask\\=0x6@), total_dispatch_slots)",
> +    "MetricGroup": "pipeline_utilization_level2;frontend_bound_level2",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "frontend_bound_bandwidth",
> +    "BriefDescription": "Fraction of dispatch slots that remained unused because of a bandwidth bottleneck in the frontend (such as decode or op cache fetch bandwidth).",
> +    "MetricExpr": "d_ratio(de_no_dispatch_per_slot.no_ops_from_frontend - (6 * cpu@de_no_dispatch_per_slot.no_ops_from_frontend\\,cmask\\=0x6@), total_dispatch_slots)",
> +    "MetricGroup": "pipeline_utilization_level2;frontend_bound_level2",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "bad_speculation_mispredicts",
> +    "BriefDescription": "Fraction of dispatched ops that were flushed due to branch mispredicts.",
> +    "MetricExpr": "d_ratio(bad_speculation * ex_ret_brn_misp, ex_ret_brn_misp + resyncs_or_nc_redirects)",
> +    "MetricGroup": "pipeline_utilization_level2;bad_speculation_level2",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "bad_speculation_pipeline_restarts",
> +    "BriefDescription": "Fraction of dispatched ops that were flushed due to pipeline restarts (resyncs).",
> +    "MetricExpr": "d_ratio(bad_speculation * resyncs_or_nc_redirects, ex_ret_brn_misp + resyncs_or_nc_redirects)",
> +    "MetricGroup": "pipeline_utilization_level2;bad_speculation_level2",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "backend_bound_memory",
> +    "BriefDescription": "Fraction of dispatch slots that remained unused because of stalls due to the memory subsystem.",
> +    "MetricExpr": "backend_bound * d_ratio(ex_no_retire.load_not_complete, ex_no_retire.not_complete)",
> +    "MetricGroup": "pipeline_utilization_level2;backend_bound_level2",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "backend_bound_cpu",
> +    "BriefDescription": "Fraction of dispatch slots that remained unused because of stalls not related to the memory subsystem.",
> +    "MetricExpr": "backend_bound * (1 - d_ratio(ex_no_retire.load_not_complete, ex_no_retire.not_complete))",
> +    "MetricGroup": "pipeline_utilization_level2;backend_bound_level2",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "retiring_fastpath",
> +    "BriefDescription": "Fraction of dispatch slots used by fastpath ops that retired.",
> +    "MetricExpr": "retiring * (1 - d_ratio(ex_ret_ucode_ops, ex_ret_ops))",
> +    "MetricGroup": "pipeline_utilization_level2;retiring_level2",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "retiring_microcode",
> +    "BriefDescription": "Fraction of dispatch slots used by microcode ops that retired.",
> +    "MetricExpr": "retiring * d_ratio(ex_ret_ucode_ops, ex_ret_ops)",
> +    "MetricGroup": "pipeline_utilization_level2;retiring_level2",
> +    "ScaleUnit": "100%"
> +  }
> +]
> diff --git a/tools/perf/pmu-events/arch/x86/amdzen4/recommended.json b/tools/perf/pmu-events/arch/x86/amdzen4/recommended.json
> new file mode 100644
> index 000000000000..2e3c9d8942b9
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/x86/amdzen4/recommended.json
> @@ -0,0 +1,334 @@
> +[
> +  {
> +    "MetricName": "branch_misprediction_ratio",
> +    "BriefDescription": "Execution-time branch misprediction ratio (non-speculative).",
> +    "MetricExpr": "d_ratio(ex_ret_brn_misp, ex_ret_brn)",
> +    "MetricGroup": "branch_prediction",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "EventName": "all_data_cache_accesses",
> +    "EventCode": "0x29",
> +    "BriefDescription": "All data cache accesses.",
> +    "UMask": "0x07"
> +  },
> +  {
> +    "MetricName": "all_l2_cache_accesses",
> +    "BriefDescription": "All L2 cache accesses.",
> +    "MetricExpr": "l2_request_g1.all_no_prefetch + l2_pf_hit_l2.all + l2_pf_miss_l2_hit_l3.all + l2_pf_miss_l2_l3.all",
> +    "MetricGroup": "l2_cache"
> +  },
> +  {
> +    "MetricName": "l2_cache_accesses_from_l1_ic_misses",
> +    "BriefDescription": "L2 cache accesses from L1 instruction cache misses (including prefetch).",
> +    "MetricExpr": "l2_request_g1.cacheable_ic_read",
> +    "MetricGroup": "l2_cache"
> +  },
> +  {
> +    "MetricName": "l2_cache_accesses_from_l1_dc_misses",
> +    "BriefDescription": "L2 cache accesses from L1 data cache misses (including prefetch).",
> +    "MetricExpr": "l2_request_g1.all_dc",
> +    "MetricGroup": "l2_cache"
> +  },
> +  {
> +    "MetricName": "l2_cache_accesses_from_l2_hwpf",
> +    "BriefDescription": "L2 cache accesses from L2 cache hardware prefetcher.",
> +    "MetricExpr": "l2_pf_hit_l2.all + l2_pf_miss_l2_hit_l3.all + l2_pf_miss_l2_l3.all",
> +    "MetricGroup": "l2_cache"
> +  },
> +  {
> +    "MetricName": "all_l2_cache_misses",
> +    "BriefDescription": "All L2 cache misses.",
> +    "MetricExpr": "l2_cache_req_stat.ic_dc_miss_in_l2 + l2_pf_miss_l2_hit_l3.all + l2_pf_miss_l2_l3.all",
> +    "MetricGroup": "l2_cache"
> +  },
> +  {
> +    "MetricName": "l2_cache_misses_from_l1_ic_miss",
> +    "BriefDescription": "L2 cache misses from L1 instruction cache misses.",
> +    "MetricExpr": "l2_cache_req_stat.ic_fill_miss",
> +    "MetricGroup": "l2_cache"
> +  },
> +  {
> +    "MetricName": "l2_cache_misses_from_l1_dc_miss",
> +    "BriefDescription": "L2 cache misses from L1 data cache misses.",
> +    "MetricExpr": "l2_cache_req_stat.ls_rd_blk_c",
> +    "MetricGroup": "l2_cache"
> +  },
> +  {
> +    "MetricName": "l2_cache_misses_from_l2_hwpf",
> +    "BriefDescription": "L2 cache misses from L2 cache hardware prefetcher.",
> +    "MetricExpr": "l2_pf_miss_l2_hit_l3.all + l2_pf_miss_l2_l3.all",
> +    "MetricGroup": "l2_cache"
> +  },
> +  {
> +    "MetricName": "all_l2_cache_hits",
> +    "BriefDescription": "All L2 cache hits.",
> +    "MetricExpr": "l2_cache_req_stat.ic_dc_hit_in_l2 + l2_pf_hit_l2.all",
> +    "MetricGroup": "l2_cache"
> +  },
> +  {
> +    "MetricName": "l2_cache_hits_from_l1_ic_miss",
> +    "BriefDescription": "L2 cache hits from L1 instruction cache misses.",
> +    "MetricExpr": "l2_cache_req_stat.ic_hit_in_l2",
> +    "MetricGroup": "l2_cache"
> +  },
> +  {
> +    "MetricName": "l2_cache_hits_from_l1_dc_miss",
> +    "BriefDescription": "L2 cache hits from L1 data cache misses.",
> +    "MetricExpr": "l2_cache_req_stat.dc_hit_in_l2",
> +    "MetricGroup": "l2_cache"
> +  },
> +  {
> +    "MetricName": "l2_cache_hits_from_l2_hwpf",
> +    "BriefDescription": "L2 cache hits from L2 cache hardware prefetcher.",
> +    "MetricExpr": "l2_pf_hit_l2.all",
> +    "MetricGroup": "l2_cache"
> +  },
> +  {
> +    "MetricName": "l3_cache_accesses",
> +    "BriefDescription": "L3 cache accesses.",
> +    "MetricExpr": "l3_lookup_state.all_coherent_accesses_to_l3",
> +    "MetricGroup": "l3_cache"
> +  },
> +  {
> +    "MetricName": "l3_misses",
> +    "BriefDescription": "L3 misses (including cacheline state change requests).",
> +    "MetricExpr": "l3_lookup_state.l3_miss",
> +    "MetricGroup": "l3_cache"
> +  },
> +  {
> +    "MetricName": "l3_read_miss_latency",
> +    "BriefDescription": "Average L3 read miss latency (in core clocks).",
> +    "MetricExpr": "(l3_xi_sampled_latency.all * 10) / l3_xi_sampled_latency_requests.all",
> +    "MetricGroup": "l3_cache",
> +    "ScaleUnit": "1core clocks"
> +  },
> +  {
> +    "MetricName": "op_cache_fetch_miss_ratio",
> +    "BriefDescription": "Op cache miss ratio for all fetches.",
> +    "MetricExpr": "d_ratio(op_cache_hit_miss.op_cache_miss, op_cache_hit_miss.all_op_cache_accesses)",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "ic_fetch_miss_ratio",
> +    "BriefDescription": "Instruction cache miss ratio for all fetches. An instruction cache miss will not be counted by this metric if it is an OC hit.",
> +    "MetricExpr": "d_ratio(ic_tag_hit_miss.instruction_cache_miss, ic_tag_hit_miss.all_instruction_cache_accesses)",
> +    "ScaleUnit": "100%"
> +  },
> +  {
> +    "MetricName": "l1_data_cache_fills_from_memory",
> +    "BriefDescription": "L1 data cache fills from DRAM or MMIO in any NUMA node.",
> +    "MetricExpr": "ls_any_fills_from_sys.dram_io_all",
> +    "MetricGroup": "l1_dcache"
> +  },
> +  {
> +    "MetricName": "l1_data_cache_fills_from_remote_node",
> +    "BriefDescription": "L1 data cache fills from a different NUMA node.",
> +    "MetricExpr": "ls_any_fills_from_sys.far_all",
> +    "MetricGroup": "l1_dcache"
> +  },
> +  {
> +    "MetricName": "l1_data_cache_fills_from_same_ccx",
> +    "BriefDescription": "L1 data cache fills from within the same CCX.",
> +    "MetricExpr": "ls_any_fills_from_sys.local_all",
> +    "MetricGroup": "l1_dcache"
> +  },
> +  {
> +    "MetricName": "l1_data_cache_fills_from_different_ccx",
> +    "BriefDescription": "L1 data cache fills from another CCX cache in any NUMA node.",
> +    "MetricExpr": "ls_any_fills_from_sys.remote_cache",
> +    "MetricGroup": "l1_dcache"
> +  },
> +  {
> +    "MetricName": "all_l1_data_cache_fills",
> +    "BriefDescription": "All L1 data cache fills.",
> +    "MetricExpr": "ls_any_fills_from_sys.all",
> +    "MetricGroup": "l1_dcache"
> +  },
> +  {
> +    "MetricName": "l1_demand_data_cache_fills_from_local_l2",
> +    "BriefDescription": "L1 demand data cache fills from local L2 cache.",
> +    "MetricExpr": "ls_dmnd_fills_from_sys.local_l2",
> +    "MetricGroup": "l1_dcache"
> +  },
> +  {
> +    "MetricName": "l1_demand_data_cache_fills_from_same_ccx",
> +    "BriefDescription": "L1 demand data cache fills from within the same CCX.",
> +    "MetricExpr": "ls_dmnd_fills_from_sys.local_ccx",
> +    "MetricGroup": "l1_dcache"
> +  },
> +  {
> +    "MetricName": "l1_demand_data_cache_fills_from_near_cache",
> +    "BriefDescription": "L1 demand data cache fills from another CCX cache in the same NUMA node.",
> +    "MetricExpr": "ls_dmnd_fills_from_sys.near_cache",
> +    "MetricGroup": "l1_dcache"
> +  },
> +  {
> +    "MetricName": "l1_demand_data_cache_fills_from_near_memory",
> +    "BriefDescription": "L1 demand data cache fills from DRAM or MMIO in the same NUMA node.",
> +    "MetricExpr": "ls_dmnd_fills_from_sys.dram_io_near",
> +    "MetricGroup": "l1_dcache"
> +  },
> +  {
> +    "MetricName": "l1_demand_data_cache_fills_from_far_cache",
> +    "BriefDescription": "L1 demand data cache fills from another CCX cache in a different NUMA node.",
> +    "MetricExpr": "ls_dmnd_fills_from_sys.far_cache",
> +    "MetricGroup": "l1_dcache"
> +  },
> +  {
> +    "MetricName": "l1_demand_data_cache_fills_from_far_memory",
> +    "BriefDescription": "L1 demand data cache fills from DRAM or MMIO in a different NUMA node.",
> +    "MetricExpr": "ls_dmnd_fills_from_sys.dram_io_far",
> +    "MetricGroup": "l1_dcache"
> +  },
> +  {
> +    "MetricName": "l1_itlb_misses",
> +    "BriefDescription": "L1 instruction TLB misses.",
> +    "MetricExpr": "bp_l1_tlb_miss_l2_tlb_hit + bp_l1_tlb_miss_l2_tlb_miss.all",
> +    "MetricGroup": "tlb"
> +  },
> +  {
> +    "MetricName": "l2_itlb_misses",
> +    "BriefDescription": "L2 instruction TLB misses and instruction page walks.",
> +    "MetricExpr": "bp_l1_tlb_miss_l2_tlb_miss.all",
> +    "MetricGroup": "tlb"
> +  },
> +  {
> +    "MetricName": "l1_dtlb_misses",
> +    "BriefDescription": "L1 data TLB misses.",
> +    "MetricExpr": "ls_l1_d_tlb_miss.all",
> +    "MetricGroup": "tlb"
> +  },
> +  {
> +    "MetricName": "l2_dtlb_misses",
> +    "BriefDescription": "L2 data TLB misses and data page walks.",
> +    "MetricExpr": "ls_l1_d_tlb_miss.all_l2_miss",
> +    "MetricGroup": "tlb"
> +  },
> +  {
> +    "MetricName": "all_tlbs_flushed",
> +    "BriefDescription": "All TLBs flushed.",
> +    "MetricExpr": "ls_tlb_flush.all",
> +    "MetricGroup": "tlb"
> +  },
> +  {
> +    "MetricName": "macro_ops_dispatched",
> +    "BriefDescription": "Macro-ops dispatched.",
> +    "MetricExpr": "de_src_op_disp.all",
> +    "MetricGroup": "decoder"
> +  },
> +  {
> +    "MetricName": "sse_avx_stalls",
> +    "BriefDescription": "Mixed SSE/AVX stalls.",
> +    "MetricExpr": "fp_disp_faults.sse_avx_all"
> +  },
> +  {
> +    "MetricName": "macro_ops_retired",
> +    "BriefDescription": "Macro-ops retired.",
> +    "MetricExpr": "ex_ret_ops"
> +  },
> +  {
> +    "MetricName": "dram_read_data_bytes_for_local_processor",

nit: Is "bytes" redundant in the name here? It may even be confusing
given the units.

> +    "BriefDescription": "DRAM read data bytes for local processor.",
> +    "MetricExpr": "local_processor_read_data_beats_cs0 + local_processor_read_data_beats_cs1 + local_processor_read_data_beats_cs2 + local_processor_read_data_beats_cs3 + local_processor_read_data_beats_cs4 + local_processor_read_data_beats_cs5 + local_processor_read_data_beats_cs6 + local_processor_read_data_beats_cs7 + local_processor_read_data_beats_cs8 + local_processor_read_data_beats_cs9 + local_processor_read_data_beats_cs10 + local_processor_read_data_beats_cs11",
> +    "MetricGroup": "data_fabric",
> +    "PerPkg": "1",
> +    "ScaleUnit": "6.103515625e-5MiB"
> +  },
> +  {
> +    "MetricName": "dram_write_data_bytes_for_local_processor",
> +    "BriefDescription": "DRAM write data bytes for local processor.",
> +    "MetricExpr": "local_processor_write_data_beats_cs0 + local_processor_write_data_beats_cs1 + local_processor_write_data_beats_cs2 + local_processor_write_data_beats_cs3 + local_processor_write_data_beats_cs4 + local_processor_write_data_beats_cs5 + local_processor_write_data_beats_cs6 + local_processor_write_data_beats_cs7 + local_processor_write_data_beats_cs8 + local_processor_write_data_beats_cs9 + local_processor_write_data_beats_cs10 + local_processor_write_data_beats_cs11",
> +    "MetricGroup": "data_fabric",
> +    "PerPkg": "1",
> +    "ScaleUnit": "6.103515625e-5MiB"
> +  },
> +  {
> +    "MetricName": "dram_read_data_bytes_for_remote_processor",
> +    "BriefDescription": "DRAM read data bytes for remote processor.",
> +    "MetricExpr": "remote_processor_read_data_beats_cs0 + remote_processor_read_data_beats_cs1 + remote_processor_read_data_beats_cs2 + remote_processor_read_data_beats_cs3 + remote_processor_read_data_beats_cs4 + remote_processor_read_data_beats_cs5 + remote_processor_read_data_beats_cs6 + remote_processor_read_data_beats_cs7 + remote_processor_read_data_beats_cs8 + remote_processor_read_data_beats_cs9 + remote_processor_read_data_beats_cs10 + remote_processor_read_data_beats_cs11",
> +    "MetricGroup": "data_fabric",
> +    "PerPkg": "1",
> +    "ScaleUnit": "6.103515625e-5MiB"
> +  },
> +  {
> +    "MetricName": "dram_write_data_bytes_for_remote_processor",
> +    "BriefDescription": "DRAM write data bytes for remote processor.",
> +    "MetricExpr": "remote_processor_write_data_beats_cs0 + remote_processor_write_data_beats_cs1 + remote_processor_write_data_beats_cs2 + remote_processor_write_data_beats_cs3 + remote_processor_write_data_beats_cs4 + remote_processor_write_data_beats_cs5 + remote_processor_write_data_beats_cs6 + remote_processor_write_data_beats_cs7 + remote_processor_write_data_beats_cs8 + remote_processor_write_data_beats_cs9 + remote_processor_write_data_beats_cs10 + remote_processor_write_data_beats_cs11",
> +    "MetricGroup": "data_fabric",
> +    "PerPkg": "1",
> +    "ScaleUnit": "6.103515625e-5MiB"
> +  },
> +  {
> +    "MetricName": "local_socket_upstream_dma_read_data_bytes",
> +    "BriefDescription": "Local socket upstream DMA read data bytes.",
> +    "MetricExpr": "local_socket_upstream_read_beats_iom0 + local_socket_upstream_read_beats_iom1 + local_socket_upstream_read_beats_iom2 + local_socket_upstream_read_beats_iom3",
> +    "MetricGroup": "data_fabric",
> +    "PerPkg": "1",
> +    "ScaleUnit": "6.103515625e-5MiB"
> +  },
> +  {
> +    "MetricName": "local_socket_upstream_dma_write_data_bytes",
> +    "BriefDescription": "Local socket upstream DMA write data bytes.",
> +    "MetricExpr": "local_socket_upstream_write_beats_iom0 + local_socket_upstream_write_beats_iom1 + local_socket_upstream_write_beats_iom2 + local_socket_upstream_write_beats_iom3",
> +    "MetricGroup": "data_fabric",
> +    "PerPkg": "1",
> +    "ScaleUnit": "6.103515625e-5MiB"
> +  },
> +  {
> +    "MetricName": "remote_socket_upstream_dma_read_data_bytes",
> +    "BriefDescription": "Remote socket upstream DMA read data bytes.",
> +    "MetricExpr": "remote_socket_upstream_read_beats_iom0 + remote_socket_upstream_read_beats_iom1 + remote_socket_upstream_read_beats_iom2 + remote_socket_upstream_read_beats_iom3",
> +    "MetricGroup": "data_fabric",
> +    "PerPkg": "1",
> +    "ScaleUnit": "6.103515625e-5MiB"
> +  },
> +  {
> +    "MetricName": "remote_socket_upstream_dma_write_data_bytes",
> +    "BriefDescription": "Remote socket upstream DMA write data bytes.",
> +    "MetricExpr": "remote_socket_upstream_write_beats_iom0 + remote_socket_upstream_write_beats_iom1 + remote_socket_upstream_write_beats_iom2 + remote_socket_upstream_write_beats_iom3",
> +    "MetricGroup": "data_fabric",
> +    "PerPkg": "1",
> +    "ScaleUnit": "6.103515625e-5MiB"
> +  },
> +  {
> +    "MetricName": "local_socket_inbound_data_bytes_to_cpu",
> +    "BriefDescription": "Local socket inbound data bytes to the CPU (e.g. read data).",
> +    "MetricExpr": "local_socket_inf0_inbound_data_beats_ccm0 + local_socket_inf1_inbound_data_beats_ccm0 + local_socket_inf0_inbound_data_beats_ccm1 + local_socket_inf1_inbound_data_beats_ccm1 + local_socket_inf0_inbound_data_beats_ccm2 + local_socket_inf1_inbound_data_beats_ccm2 + local_socket_inf0_inbound_data_beats_ccm3 + local_socket_inf1_inbound_data_beats_ccm3 + local_socket_inf0_inbound_data_beats_ccm4 + local_socket_inf1_inbound_data_beats_ccm4 + local_socket_inf0_inbound_data_beats_ccm5 + local_socket_inf1_inbound_data_beats_ccm5 + local_socket_inf0_inbound_data_beats_ccm6 + local_socket_inf1_inbound_data_beats_ccm6 + local_socket_inf0_inbound_data_beats_ccm7 + local_socket_inf1_inbound_data_beats_ccm7",
> +    "MetricGroup": "data_fabric",
> +    "PerPkg": "1",
> +    "ScaleUnit": "3.0517578125e-5MiB"
> +  },
> +  {
> +    "MetricName": "local_socket_outbound_data_bytes_from_cpu",
> +    "BriefDescription": "Local socket outbound data bytes from the CPU (e.g. write data).",
> +    "MetricExpr": "local_socket_inf0_outbound_data_beats_ccm0 + local_socket_inf1_outbound_data_beats_ccm0 + local_socket_inf0_outbound_data_beats_ccm1 + local_socket_inf1_outbound_data_beats_ccm1 + local_socket_inf0_outbound_data_beats_ccm2 + local_socket_inf1_outbound_data_beats_ccm2 + local_socket_inf0_outbound_data_beats_ccm3 + local_socket_inf1_outbound_data_beats_ccm3 + local_socket_inf0_outbound_data_beats_ccm4 + local_socket_inf1_outbound_data_beats_ccm4 + local_socket_inf0_outbound_data_beats_ccm5 + local_socket_inf1_outbound_data_beats_ccm5 + local_socket_inf0_outbound_data_beats_ccm6 + local_socket_inf1_outbound_data_beats_ccm6 + local_socket_inf0_outbound_data_beats_ccm7 + local_socket_inf1_outbound_data_beats_ccm7",
> +    "MetricGroup": "data_fabric",
> +    "PerPkg": "1",
> +    "ScaleUnit": "6.103515625e-5MiB"
> +  },
> +  {
> +    "MetricName": "remote_socket_inbound_data_bytes_to_cpu",
> +    "BriefDescription": "Remote socket inbound data bytes to the CPU (e.g. read data).",
> +    "MetricExpr": "remote_socket_inf0_inbound_data_beats_ccm0 + remote_socket_inf1_inbound_data_beats_ccm0 + remote_socket_inf0_inbound_data_beats_ccm1 + remote_socket_inf1_inbound_data_beats_ccm1 + remote_socket_inf0_inbound_data_beats_ccm2 + remote_socket_inf1_inbound_data_beats_ccm2 + remote_socket_inf0_inbound_data_beats_ccm3 + remote_socket_inf1_inbound_data_beats_ccm3 + remote_socket_inf0_inbound_data_beats_ccm4 + remote_socket_inf1_inbound_data_beats_ccm4 + remote_socket_inf0_inbound_data_beats_ccm5 + remote_socket_inf1_inbound_data_beats_ccm5 + remote_socket_inf0_inbound_data_beats_ccm6 + remote_socket_inf1_inbound_data_beats_ccm6 + remote_socket_inf0_inbound_data_beats_ccm7 + remote_socket_inf1_inbound_data_beats_ccm7",
> +    "MetricGroup": "data_fabric",
> +    "PerPkg": "1",
> +    "ScaleUnit": "3.0517578125e-5MiB"
> +  },
> +  {
> +    "MetricName": "remote_socket_outbound_data_bytes_from_cpu",
> +    "BriefDescription": "Remote socket outbound data bytes from the CPU (e.g. write data).",
> +    "MetricExpr": "remote_socket_inf0_outbound_data_beats_ccm0 + remote_socket_inf1_outbound_data_beats_ccm0 + remote_socket_inf0_outbound_data_beats_ccm1 + remote_socket_inf1_outbound_data_beats_ccm1 + remote_socket_inf0_outbound_data_beats_ccm2 + remote_socket_inf1_outbound_data_beats_ccm2 + remote_socket_inf0_outbound_data_beats_ccm3 + remote_socket_inf1_outbound_data_beats_ccm3 + remote_socket_inf0_outbound_data_beats_ccm4 + remote_socket_inf1_outbound_data_beats_ccm4 + remote_socket_inf0_outbound_data_beats_ccm5 + remote_socket_inf1_outbound_data_beats_ccm5 + remote_socket_inf0_outbound_data_beats_ccm6 + remote_socket_inf1_outbound_data_beats_ccm6 + remote_socket_inf0_outbound_data_beats_ccm7 + remote_socket_inf1_outbound_data_beats_ccm7",
> +    "MetricGroup": "data_fabric",
> +    "PerPkg": "1",
> +    "ScaleUnit": "6.103515625e-5MiB"
> +  },
> +  {
> +    "MetricName": "local_socket_outbound_data_bytes_from_all_links",
> +    "BriefDescription": "Outbound data bytes from all links (local socket).",
> +    "MetricExpr": "local_socket_outbound_data_beats_link0 + local_socket_outbound_data_beats_link1 + local_socket_outbound_data_beats_link2 + local_socket_outbound_data_beats_link3 + local_socket_outbound_data_beats_link4 + local_socket_outbound_data_beats_link5 + local_socket_outbound_data_beats_link6 + local_socket_outbound_data_beats_link7",
> +    "MetricGroup": "data_fabric",
> +    "PerPkg": "1",
> +    "ScaleUnit": "6.103515625e-5MiB"
> +  }
> +]
> --
> 2.34.1
>