perf vendor events arm64: Add Hisi hip08 L2 metrics

Add L2 metrics.
Reviewed-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Shaokun Zhang <zhangshaokun@hisilicon.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxarm@huawei.com
Link: https://lore.kernel.org/r/1617791570-165223-6-git-send-email-john.garry@huawei.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json

@@ -27,4 +27,46 @@
         "MetricGroup": "TopDownL1",
         "MetricName": "backend_bound"
     },
+    {
+        "MetricExpr": "armv8_pmuv3_0@event\\=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@event\\=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@event\\=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@event\\=0x7005@) / CPU_CYCLES",
+        "PublicDescription": "Memory bound L2 topdown metric",
+        "BriefDescription": "Memory bound L2 topdown metric",
+        "MetricGroup": "TopDownL2",
+        "MetricName": "memory_bound"
+    },
 ]