[v3,4/6] perf vendor events arm64: Add Hisi hip08 L1 metrics

Commit Message

John Garry April 7, 2021, 10:32 a.m. UTC

Add L1 metrics. Formula is as consistent as possible with MAN pages
description for these metrics.

Signed-off-by: John Garry <[e-mail]>
Reviewed-by: Kajol Jain <[e-mail]>
---
 .../arch/arm64/hisilicon/hip08/metrics.json   | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json

Patch

diff --git a/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json b/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json
new file mode 100644
index 000000000000..dc5ff3051639
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json
@@ -0,0 +1,30 @@ 
+[
+    {
+        "MetricExpr": "FETCH_BUBBLE / (4 * CPU_CYCLES)",
+        "PublicDescription": "Frontend bound L1 topdown metric",
+        "BriefDescription": "Frontend bound L1 topdown metric",
+        "MetricGroup": "TopDownL1",
+        "MetricName": "frontend_bound"
+    },
+    {
+        "MetricExpr": "(INST_SPEC - INST_RETIRED) / (4 * CPU_CYCLES)",
+        "PublicDescription": "Bad Speculation L1 topdown metric",
+        "BriefDescription": "Bad Speculation L1 topdown metric",
+        "MetricGroup": "TopDownL1",
+        "MetricName": "bad_speculation"
+    },
+    {
+        "MetricExpr": "INST_RETIRED / (CPU_CYCLES * 4)",
+        "PublicDescription": "Retiring L1 topdown metric",
+        "BriefDescription": "Retiring L1 topdown metric",
+        "MetricGroup": "TopDownL1",
+        "MetricName": "retiring"
+    },
+    {
+        "MetricExpr": "1 - (frontend_bound + bad_speculation + retiring)",
+        "PublicDescription": "Backend Bound L1 topdown metric",
+        "BriefDescription": "Backend Bound L1 topdown metric",
+        "MetricGroup": "TopDownL1",
+        "MetricName": "backend_bound"
+    },
+]