Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Jing Zhang <renyu.zj@linux.alibaba.com>
To:     John Garry <john.g.garry@oracle.com>,
        Ian Rogers <irogers@google.com>,
        Xing Zhengjun <zhengjun.xing@linux.intel.com>,
        Will Deacon <will@kernel.org>,
        James Clark <james.clark@arm.com>,
        Mike Leach <mike.leach@linaro.org>,
        Leo Yan <leo.yan@linaro.org>
Cc:     linux-arm-kernel@lists.infradead.org,
        linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Andrew Kilroy <andrew.kilroy@arm.com>,
        Shuai Xue <xueshuai@linux.alibaba.com>,
        Zhuo Song <zhuo.song@linux.alibaba.com>,
        Jing Zhang <renyu.zj@linux.alibaba.com>
Subject: [PATCH v4 4/6] perf vendor events arm64: Add branch metrics for neoverse-n2
Date:   Fri, 23 Dec 2022 20:37:23 +0800
Message-Id: <1671799045-1108027-5-git-send-email-renyu.zj@linux.alibaba.com>
In-Reply-To: <1671799045-1108027-1-git-send-email-renyu.zj@linux.alibaba.com>
References: <1671799045-1108027-1-git-send-email-renyu.zj@linux.alibaba.com>
Precedence: bulk

Add branch related metrics.

Signed-off-by: Jing Zhang <renyu.zj@linux.alibaba.com>
---
 .../arch/arm64/arm/neoverse-n2/metrics.json           | 19 +++++++++++++++++++
 1 file changed, 19 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 817d80c..73d50f6 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
@@ -145,5 +145,24 @@
         "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"
+    },
+    {
+        "MetricExpr": "BR_RETIRED / INST_RETIRED * 1000",
+        "BriefDescription": "The rate of branches retired per kilo instructions",
+        "MetricGroup": "Branch",
+        "MetricName": "branch_pki"
+    },
+    {
+        "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