diff options
| -rwxr-xr-x | tools/perf/pmu-events/intel_metrics.py | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events/intel_metrics.py index 52035433b505..c3a5c2965f74 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -457,6 +457,67 @@ def IntelIlp() -> MetricGroup: ]) +def IntelIotlb() -> Optional[MetricGroup]: + try: + total_hit = ( + Event("UNC_IIO_IOMMU0.4K_HITS") + + Event("UNC_IIO_IOMMU0.2M_HITS") + + Event("UNC_IIO_IOMMU0.1G_HITS") + ) + total_miss = Event("UNC_IIO_IOMMU0.MISSES") + except: + return None + + miss_rate = d_ratio(total_miss, total_miss + total_hit) + metrics = [ + 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%"), + ] + + try: + interrupt_cache_hit = Event("UNC_IIO_IOMMU3.INT_CACHE_HITS") + interrupt_cache_lookup = Event("UNC_IIO_IOMMU3.INT_CACHE_LOOKUPS") + interrupt_cache_miss = max(interrupt_cache_lookup - interrupt_cache_hit, 0) + interrupt_cache_miss_rate = d_ratio( + interrupt_cache_miss, interrupt_cache_miss + interrupt_cache_hit + ) + metrics += [ + 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%", + ), + ] + except: + pass + + return MetricGroup( + "iotlb", + metrics, + description="IOMMU TLB metrics", + ) + + def IntelL2() -> Optional[MetricGroup]: try: DC_HIT = Event("L2_RQSTS.DEMAND_DATA_RD_HIT") @@ -1105,6 +1166,7 @@ def main() -> None: IntelCtxSw(), IntelFpu(), IntelIlp(), + IntelIotlb(), IntelL2(), IntelLdSt(), IntelMissLat(), |