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Message-Id: <1673940573-90503-8-git-send-email-renyu.zj@linux.alibaba.com>
Date:   Tue, 17 Jan 2023 15:29:31 +0800
From:   Jing Zhang <renyu.zj@...ux.alibaba.com>
To:     John Garry <john.g.garry@...cle.com>,
        Ian Rogers <irogers@...gle.com>
Cc:     Xing Zhengjun <zhengjun.xing@...ux.intel.com>,
        Will Deacon <will@...nel.org>,
        James Clark <james.clark@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        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: [PATCH v8 7/9] perf vendor events arm64: Add branch metrics for neoverse-n2-v2

Add branch related metrics.

Signed-off-by: Jing Zhang <renyu.zj@...ux.alibaba.com>
Reviewed-by: John Garry <john.g.garry@...cle.com>
Acked-by: Ian Rogers <irogers@...gle.com>
---
 .../arch/arm64/arm/neoverse-n2-v2/metrics.json      | 21 +++++++++++++++++++++
 1 file changed, 21 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 08c6aaa..afcdb17 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
@@ -139,5 +139,26 @@
         "MetricGroup": "Cache",
         "MetricName": "ll_cache_read_hit_rate",
         "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "BR_MIS_PRED_RETIRED / INST_RETIRED * 1000",
+        "BriefDescription": "The rate of branches mis-predicted per kilo instructions",
+        "MetricGroup": "Branch",
+        "MetricName": "branch_mpki",
+        "ScaleUnit": "1MPKI"
+    },
+    {
+        "MetricExpr": "BR_RETIRED / INST_RETIRED * 1000",
+        "BriefDescription": "The rate of branches retired per kilo instructions",
+        "MetricGroup": "Branch",
+        "MetricName": "branch_pki",
+        "ScaleUnit": "1PKI"
+    },
+    {
+        "MetricExpr": "BR_MIS_PRED_RETIRED / BR_RETIRED",
+        "BriefDescription": "The rate of branches mis-predited to the overall branches",
+        "MetricGroup": "Branch",
+        "MetricName": "branch_miss_pred_rate",
+        "ScaleUnit": "100%"
     }
 ]
-- 
1.8.3.1

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