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Diffstat (limited to 'tools/perf/pmu-events/arch/x86/amdzen4/pipeline.json')
-rw-r--r-- | tools/perf/pmu-events/arch/x86/amdzen4/pipeline.json | 98 |
1 files changed, 98 insertions, 0 deletions
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..4ae8316c7507 --- /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": "PipelineL1", + "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": "PipelineL1", + "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": "PipelineL1", + "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": "PipelineL1", + "ScaleUnit": "100%" + }, + { + "MetricName": "retiring", + "BriefDescription": "Fraction of dispatch slots used by ops that retired.", + "MetricExpr": "d_ratio(ex_ret_ops, total_dispatch_slots)", + "MetricGroup": "PipelineL1", + "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": "PipelineL2;frontend_bound_group", + "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": "PipelineL2;frontend_bound_group", + "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": "PipelineL2;bad_speculation_group", + "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": "PipelineL2;bad_speculation_group", + "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": "PipelineL2;backend_bound_group", + "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": "PipelineL2;backend_bound_group", + "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": "PipelineL2;retiring_group", + "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": "PipelineL2;retiring_group", + "ScaleUnit": "100%" + } +] |