perf vendor events arm64: Add instruction mix metrics for neoverse-n2-v2

Add instruction mix related metrics.
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Jing Zhang <renyu.zj@linux.alibaba.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrew Kilroy <andrew.kilroy@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Shuai Xue <xueshuai@linux.alibaba.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: Zhuo Song <zhuo.song@linux.alibaba.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/1673940573-90503-10-git-send-email-renyu.zj@linux.alibaba.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/metrics.json

@@ -206,5 +206,68 @@
         "MetricGroup": "PEutilization",
         "MetricName": "cpu_utilization",
         "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "LD_SPEC / INST_SPEC",
+        "BriefDescription": "The rate of load instructions speculatively executed to overall instructions speclatively executed",
+        "MetricGroup": "InstructionMix",
+        "MetricName": "load_spec_rate",
+        "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "ST_SPEC / INST_SPEC",
+        "BriefDescription": "The rate of store instructions speculatively executed to overall instructions speclatively executed",
+        "MetricGroup": "InstructionMix",
+        "MetricName": "store_spec_rate",
+        "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "DP_SPEC / INST_SPEC",
+        "BriefDescription": "The rate of integer data-processing instructions speculatively executed to overall instructions speclatively executed",
+        "MetricGroup": "InstructionMix",
+        "MetricName": "data_process_spec_rate",
+        "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "ASE_SPEC / INST_SPEC",
+        "BriefDescription": "The rate of advanced SIMD instructions speculatively executed to overall instructions speclatively executed",
+        "MetricGroup": "InstructionMix",
+        "MetricName": "advanced_simd_spec_rate",
+        "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "VFP_SPEC / INST_SPEC",
+        "BriefDescription": "The rate of floating point instructions speculatively executed to overall instructions speclatively executed",
+        "MetricGroup": "InstructionMix",
+        "MetricName": "float_point_spec_rate",
+        "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "CRYPTO_SPEC / INST_SPEC",
+        "BriefDescription": "The rate of crypto instructions speculatively executed to overall instructions speclatively executed",
+        "MetricGroup": "InstructionMix",
+        "MetricName": "crypto_spec_rate",
+        "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "BR_IMMED_SPEC / INST_SPEC",
+        "BriefDescription": "The rate of branch immediate instructions speculatively executed to overall instructions speclatively executed",
+        "MetricGroup": "InstructionMix",
+        "MetricName": "branch_immed_spec_rate",
+        "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "BR_RETURN_SPEC / INST_SPEC",
+        "BriefDescription": "The rate of procedure return instructions speculatively executed to overall instructions speclatively executed",
+        "MetricGroup": "InstructionMix",
+        "MetricName": "branch_return_spec_rate",
+        "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "BR_INDIRECT_SPEC / INST_SPEC",
+        "BriefDescription": "The rate of indirect branch instructions speculatively executed to overall instructions speclatively executed",
+        "MetricGroup": "InstructionMix",
+        "MetricName": "branch_indirect_spec_rate",
+        "ScaleUnit": "100%"
     }
 ]