diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/amd_metrics.py index 971f6e7af1f8..dccfcacaf148 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -265,6 +265,62 @@ def AmdDtlb() -> Optional[MetricGroup]: ], description="Data TLB metrics") +def AmdIotlb() -> Optional[MetricGroup]: + global _zen_model + if _zen_model < 2: + return None + + # On AMD, the pde events cover both 2M and 1G pages. + total_hit = Event("amd_iommu/mem_iommu_tlb_pte_hit/") + Event( + "amd_iommu/mem_iommu_tlb_pde_hit/" + ) + total_miss = Event("amd_iommu/mem_iommu_tlb_pte_mis/") + Event( + "amd_iommu/mem_iommu_tlb_pde_mis/" + ) + miss_rate = d_ratio(total_miss, total_miss + total_hit) + + interrupt_cache_hit = Event("amd_iommu/int_dte_hit/") + interrupt_cache_miss = Event("amd_iommu/int_dte_mis/") + interrupt_cache_lookup = interrupt_cache_hit + interrupt_cache_miss + interrupt_cache_miss_rate = d_ratio( + interrupt_cache_miss, interrupt_cache_miss + interrupt_cache_hit + ) + + return MetricGroup( + "iotlb", + [ + Metric("iotlb_total_hit", "IOTLB total hit", total_hit, "hits"), + Metric("iotlb_total_miss", "IOTLB total miss", total_miss, "misses"), + Metric("iotlb_miss_rate", "IOTLB miss rate", miss_rate, "100%"), + Metric( + "iotlb_interrupt_cache_hit", + "IOTLB interrupt cache hit", + interrupt_cache_hit, + "hits", + ), + Metric( + "iotlb_interrupt_cache_miss", + "IOTLB interrupt cache miss", + interrupt_cache_miss, + "misses", + ), + Metric( + "iotlb_interrupt_cache_lookup", + "IOTLB interrupt cache lookup", + interrupt_cache_lookup, + "lookups", + ), + Metric( + "iotlb_interrupt_cache_miss_rate", + "IOTLB interrupt cache miss rate", + interrupt_cache_miss_rate, + "100%", + ), + ], + description="IOMMU TLB metrics", + ) + + def AmdItlb(): global _zen_model l2h = Event("bp_l1_tlb_miss_l2_tlb_hit", "bp_l1_tlb_miss_l2_hit") @@ -473,6 +529,7 @@ def main() -> None: AmdBr(), AmdCtxSw(), AmdDtlb(), + AmdIotlb(), AmdItlb(), AmdLdSt(), AmdUpc(),