[PATCH v3 2/6] perf vendor events arm64: Add TLB metrics for neoverse-n2

Jing Zhang
2022-11-24T17:15:11Z

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