linux-kernel - [PATCH v2 5/6] perf vendor events arm64: Add Hisi hip08 L2 metrics

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Message-ID: <1616668398-144648-6-git-send-email-john.garry@huawei.com>
Date:   Thu, 25 Mar 2021 18:33:17 +0800
From:   John Garry <john.garry@...wei.com>
To:     <will@...nel.org>, <mathieu.poirier@...aro.org>,
        <leo.yan@...aro.org>, <peterz@...radead.org>, <mingo@...hat.com>,
        <acme@...nel.org>, <mark.rutland@....com>,
        <alexander.shishkin@...ux.intel.com>, <jolsa@...hat.com>,
        <namhyung@...nel.org>, <irogers@...gle.com>
CC:     <linuxarm@...wei.com>, <kjain@...ux.ibm.com>,
        <kan.liang@...ux.intel.com>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <zhangshaokun@...ilicon.com>, <pc@...ibm.com>,
        John Garry <john.garry@...wei.com>
Subject: [PATCH v2 5/6] perf vendor events arm64: Add Hisi hip08 L2 metrics

Add L2 metrics.

Signed-off-by: John Garry <john.garry@...wei.com>
---
 .../arch/arm64/hisilicon/hip08/metrics.json   | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json b/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json
index dc5ff3051639..dda898d23c2d 100644
--- a/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json
+++ b/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json
@@ -27,4 +27,46 @@
         "MetricGroup": "TopDownL1",
         "MetricName": "backend_bound"
     },
+    {
+        "MetricExpr": "armv8_pmuv3_0@...nt\\=0x201d@ / CPU_CYCLES",
+        "PublicDescription": "Fetch latency bound L2 topdown metric",
+        "BriefDescription": "Fetch latency bound L2 topdown metric",
+        "MetricGroup": "TopDownL2",
+        "MetricName": "fetch_latency_bound"
+    },
+    {
+        "MetricExpr": "frontend_bound - fetch_latency_bound",
+        "PublicDescription": "Fetch bandwidth bound L2 topdown metric",
+        "BriefDescription": "Fetch bandwidth bound L2 topdown metric",
+        "MetricGroup": "TopDownL2",
+        "MetricName": "fetch_bandwidth_bound"
+    },
+    {
+        "MetricExpr": "(bad_speculation * BR_MIS_PRED) / (BR_MIS_PRED + armv8_pmuv3_0@...nt\\=0x2013@)",
+        "PublicDescription": "Branch mispredicts L2 topdown metric",
+        "BriefDescription": "Branch mispredicts L2 topdown metric",
+        "MetricGroup": "TopDownL2",
+        "MetricName": "branch_mispredicts"
+    },
+    {
+        "MetricExpr": "bad_speculation - branch_mispredicts",
+        "PublicDescription": "Machine clears L2 topdown metric",
+        "BriefDescription": "Machine clears L2 topdown metric",
+        "MetricGroup": "TopDownL2",
+        "MetricName": "machine_clears"
+    },
+    {
+        "MetricExpr": "(EXE_STALL_CYCLE - (MEM_STALL_ANYLOAD + armv8_pmuv3_0@...nt\\=0x7005@)) / CPU_CYCLES",
+        "PublicDescription": "Core bound L2 topdown metric",
+        "BriefDescription": "Core bound L2 topdown metric",
+        "MetricGroup": "TopDownL2",
+        "MetricName": "core_bound"
+    },
+    {
+        "MetricExpr": "(MEM_STALL_ANYLOAD + armv8_pmuv3_0@...nt\\=0x7005@) / CPU_CYCLES",
+        "PublicDescription": "Memory bound L2 topdown metric",
+        "BriefDescription": "Memory bound L2 topdown metric",
+        "MetricGroup": "TopDownL2",
+        "MetricName": "memory_bound"
+    },
 ]
-- 
2.26.2