linux-kernel - [RFC PATCH v2 2/6] perf vendor events arm64: Add TLB metrics for neoverse-n2

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1668411720-3581-3-git-send-email-renyu.zj@linux.alibaba.com>
Date:   Mon, 14 Nov 2022 15:41:56 +0800
From:   Jing Zhang <renyu.zj@...ux.alibaba.com>
To:     linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        John Garry <john.garry@...wei.com>,
        Will Deacon <will@...nel.org>,
        James Clark <james.clark@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Andrew Kilroy <andrew.kilroy@....com>,
        Shuai Xue <xueshuai@...ux.alibaba.com>,
        Zhuo Song <zhuo.song@...ux.alibaba.com>,
        Jing Zhang <renyu.zj@...ux.alibaba.com>
Subject: [RFC PATCH v2 2/6] perf vendor events arm64: Add TLB metrics for neoverse-n2

Add TLB related metrics.

Signed-off-by: Jing Zhang <renyu.zj@...ux.alibaba.com>
---
 .../arch/arm64/arm/neoverse-n2/metrics.json        | 28 ++++++++++++++++++++++
 1 file changed, 28 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 0048dfe..324ca12 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
@@ -26,5 +26,33 @@
         "BriefDescription": "Backend Bound L1 topdown metric",
         "MetricGroup": "TopDownL1",
         "MetricName": "backend_bound"
+    },
+    {
+        "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 TLB lookups initiated from the instruction side",
+        "BriefDescription": "The rate of ITLB Walks to the overall TLB lookups",
+        "MetricGroup": "TLB",
+        "MetricName": "itlb_walk_rate"
+    },
+    {
+        "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 TLB lookups made by the program",
+        "BriefDescription": "The rate of DTLB Walks to the overall TLB lookups",
+        "MetricGroup": "TLB",
+        "MetricName": "dtlb_walk_rate"
     }
 ]
\ No newline at end of file
-- 
1.8.3.1