lkml.org 
[lkml]   [2023]   [Jan]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v7 5/9] perf vendor events arm64: Add TLB metrics for neoverse-n2-v2
Date
Add TLB related metrics.

Signed-off-by: Jing Zhang <renyu.zj@linux.alibaba.com>
---
.../arch/arm64/arm/neoverse-n2-v2/metrics.json | 49 ++++++++++++++++++++++
1 file changed, 49 insertions(+)

diff --git a/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/metrics.json b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/metrics.json
index 4e7417f..60bbd8f 100644
--- a/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/metrics.json
+++ b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/metrics.json
@@ -13,5 +13,54 @@
},
{
"ArchStdEvent": "BACKEND_BOUND"
+ },
+ {
+ "MetricExpr": "L1D_TLB_REFILL / L1D_TLB",
+ "BriefDescription": "The rate of L1D TLB refill to the overall L1D TLB lookups",
+ "MetricGroup": "TLB",
+ "MetricName": "l1d_tlb_miss_rate",
+ "ScaleUnit": "100%"
+ },
+ {
+ "MetricExpr": "L1I_TLB_REFILL / L1I_TLB",
+ "BriefDescription": "The rate of L1I TLB refill to the overall L1I TLB lookups",
+ "MetricGroup": "TLB",
+ "MetricName": "l1i_tlb_miss_rate",
+ "ScaleUnit": "100%"
+ },
+ {
+ "MetricExpr": "L2D_TLB_REFILL / L2D_TLB",
+ "BriefDescription": "The rate of L2D TLB refill to the overall L2D TLB lookups",
+ "MetricGroup": "TLB",
+ "MetricName": "l2_tlb_miss_rate",
+ "ScaleUnit": "100%"
+ },
+ {
+ "MetricExpr": "DTLB_WALK / INST_RETIRED * 1000",
+ "BriefDescription": "The rate of TLB Walks per kilo instructions for data accesses",
+ "MetricGroup": "TLB",
+ "MetricName": "dtlb_mpki",
+ "ScaleUnit": "1MPKI"
+ },
+ {
+ "MetricExpr": "DTLB_WALK / L1D_TLB",
+ "BriefDescription": "The rate of DTLB Walks to the overall L1D TLB lookups",
+ "MetricGroup": "TLB",
+ "MetricName": "dtlb_walk_rate",
+ "ScaleUnit": "100%"
+ },
+ {
+ "MetricExpr": "ITLB_WALK / INST_RETIRED * 1000",
+ "BriefDescription": "The rate of TLB Walks per kilo instructions for instruction accesses",
+ "MetricGroup": "TLB",
+ "MetricName": "itlb_mpki",
+ "ScaleUnit": "1MPKI"
+ },
+ {
+ "MetricExpr": "ITLB_WALK / L1I_TLB",
+ "BriefDescription": "The rate of ITLB Walks to the overall L1I TLB lookups",
+ "MetricGroup": "TLB",
+ "MetricName": "itlb_walk_rate",
+ "ScaleUnit": "100%"
}
]
--
1.8.3.1
\
 
 \ /
  Last update: 2023-03-26 23:39    [W:0.085 / U:0.200 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site