[PATCH v3 2/6] perf vendor events arm64: Add TLB metrics for neoverse-n2
From: Jing Zhang <renyu.zj@linux.alibaba.com>
Date: 2022-11-24 17:15:11
Also in:
linux-perf-users, lkml
Subsystem:
performance events subsystem, performance events tooling arm64, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
Add TLB related metrics. Signed-off-by: Jing Zhang <renyu.zj@linux.alibaba.com> --- .../arch/arm64/arm/neoverse-n2/metrics.json | 54 ++++++++++++++++++++++ 1 file changed, 54 insertions(+)
diff --git a/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json
index 8628140..bb19960 100644
--- a/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json
+++ b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json@@ -30,5 +30,59 @@ "MetricGroup": "TopdownL1", "MetricName": "backend_bound", "ScaleUnit": "100%" + }, + { + "MetricExpr": "L1D_TLB_REFILL / L1D_TLB", + "PublicDescription": "The rate of L1D TLB refill to the overall L1D TLB lookups", + "BriefDescription": "L1 data TLB miss rate", + "MetricGroup": "TLB", + "MetricName": "l1d_tlb_miss_rate", + "ScaleUnit": "100%" + }, + { + "MetricExpr": "L1I_TLB_REFILL / L1I_TLB", + "PublicDescription": "The rate of L1I TLB refill to the overall L1I TLB lookups", + "BriefDescription": "L1 instruction TLB miss rate", + "MetricGroup": "TLB", + "MetricName": "l1i_tlb_miss_rate", + "ScaleUnit": "100%" + }, + { + "MetricExpr": "L2D_TLB_REFILL / L2D_TLB", + "PublicDescription": "The rate of L2D TLB refill to the overall L2D TLB lookups", + "BriefDescription": "L2 TLB miss rate", + "MetricGroup": "TLB", + "MetricName": "l2_tlb_miss_rate", + "ScaleUnit": "100%" + }, + { + "MetricExpr": "DTLB_WALK / INST_RETIRED * 1000", + "PublicDescription": "The rate of TLB Walks per kilo instructions for data accesses", + "BriefDescription": "The rate of TLB Walks per kilo instructions for data accesses", + "MetricGroup": "TLB", + "MetricName": "dtlb_mpki" + }, + { + "MetricExpr": "DTLB_WALK / L1D_TLB", + "PublicDescription": "The rate of DTLB Walks to the overall L1D TLB lookups", + "BriefDescription": "D-side page table walk rate", + "MetricGroup": "TLB", + "MetricName": "dtlb_walk_rate", + "ScaleUnit": "100%" + }, + { + "MetricExpr": "ITLB_WALK / INST_RETIRED * 1000", + "PublicDescription": "The rate of TLB Walks per kilo instructions for instruction accesses", + "BriefDescription": "The rate of TLB Walks per kilo instructions for instruction accesses", + "MetricGroup": "TLB", + "MetricName": "itlb_mpki" + }, + { + "MetricExpr": "ITLB_WALK / L1I_TLB", + "PublicDescription": "The rate of ITLB Walks to the overall L1I TLB lookups", + "BriefDescription": "I-side page table walk rate", + "MetricGroup": "TLB", + "MetricName": "itlb_walk_rate", + "ScaleUnit": "100%" } ]
--
1.8.3.1
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