[PATCH v3 6/7] perf vendor events: Add JSON metrics for Yitian 710 DDR

From: Jing Zhang
Date: Tue May 30 2023 - 05:20:49 EST


Add JSON metrics for T-HEAD Yitian 710 SoC DDR.

Signed-off-by: Jing Zhang <renyu.zj@xxxxxxxxxxxxxxxxx>
Acked-by: Ian Rogers <irogers@xxxxxxxxxx>
Reviewed-by: John Garry <john.g.garry@xxxxxxxxxx>
---
.../arch/arm64/freescale/yitian710/sys/metrics.json | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/yitian710/sys/metrics.json

diff --git a/tools/perf/pmu-events/arch/arm64/freescale/yitian710/sys/metrics.json b/tools/perf/pmu-events/arch/arm64/freescale/yitian710/sys/metrics.json
new file mode 100644
index 0000000..1a92477
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/freescale/yitian710/sys/metrics.json
@@ -0,0 +1,20 @@
+[
+ {
+ "MetricName": "ddr_read_bandwidth.all",
+ "BriefDescription": "The ddr read bandwidth(MB/s).",
+ "MetricGroup": "ali_drw",
+ "MetricExpr": "hif_rd * 64 / 1e6 / duration_time",
+ "ScaleUnit": "1MB/s",
+ "Unit": "ali_drw",
+ "Compat": "ali_drw_pmu"
+ },
+ {
+ "MetricName": "ddr_write_bandwidth.all",
+ "BriefDescription": "The ddr write bandwidth(MB/s).",
+ "MetricGroup": "ali_drw",
+ "MetricExpr": "(hif_wr + hif_rmw) * 64 / 1e6 / duration_time",
+ "ScaleUnit": "1MB/s",
+ "Unit": "ali_drw",
+ "Compat": "ali_drw_pmu"
+ }
+]
--
1.8.3.1