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[v7,8/8] perf vendor events arm64:: Add i.MX93 DDR Performance Monitor metrics

Message ID 20240315095555.2628684-8-xu.yang_2@nxp.com (mailing list archive)
State New, archived
Headers show
Series [v7,1/8] dt-bindings: perf: fsl-imx-ddr: Add i.MX95 compatible | expand

Commit Message

Xu Yang March 15, 2024, 9:55 a.m. UTC 
Add JSON metrics for i.MX93 DDR Performance Monitor.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>

---
Changes in v7:
 - new patch
---
 .../arch/arm64/freescale/imx93/sys/ddrc.json  |  9 +++++++
 .../arm64/freescale/imx93/sys/metrics.json    | 26 +++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/imx93/sys/ddrc.json
 create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/imx93/sys/metrics.json
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Patch

diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx93/sys/ddrc.json b/tools/perf/pmu-events/arch/arm64/freescale/imx93/sys/ddrc.json
new file mode 100644
index 000000000000..eeeae4d49fce
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/freescale/imx93/sys/ddrc.json
@@ -0,0 +1,9 @@ 
+[
+   {
+           "BriefDescription": "ddr cycles event",
+           "EventCode": "0x00",
+           "EventName": "imx93_ddr.cycles",
+           "Unit": "imx9_ddr",
+           "Compat": "imx93"
+   }
+]
diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx93/sys/metrics.json b/tools/perf/pmu-events/arch/arm64/freescale/imx93/sys/metrics.json
new file mode 100644
index 000000000000..4d2454ca1259
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/freescale/imx93/sys/metrics.json
@@ -0,0 +1,26 @@ 
+[
+   {
+	    "BriefDescription": "bandwidth usage for lpddr4x evk board",
+	    "MetricName": "imx93_bandwidth_usage.lpddr4x",
+	    "MetricExpr": "(((( imx9_ddr0@ddrc_pm_0@ ) * 2 * 8 ) + (( imx9_ddr0@ddrc_pm_3@ + imx9_ddr0@ddrc_pm_5@ + imx9_ddr0@ddrc_pm_7@ + imx9_ddr0@ddrc_pm_9@ - imx9_ddr0@ddrc_pm_2@ - imx9_ddr0@ddrc_pm_4@ - imx9_ddr0@ddrc_pm_6@ - imx9_ddr0@ddrc_pm_8@ ) * 32 )) / duration_time) / (3733 * 1000000 * 2)",
+	    "ScaleUnit": "1e2%",
+	    "Unit": "imx9_ddr",
+	    "Compat": "imx93"
+   },
+   {
+	    "BriefDescription": "bytes all masters read from ddr",
+	    "MetricName": "imx93_ddr_read.all",
+	    "MetricExpr": "( imx9_ddr0@ddrc_pm_0@ ) * 2 * 8",
+	    "ScaleUnit": "9.765625e-4KB",
+	    "Unit": "imx9_ddr",
+	    "Compat": "imx93"
+   },
+   {
+	    "BriefDescription": "bytes all masters write to ddr",
+	    "MetricName": "imx93_ddr_write.all",
+	    "MetricExpr": "( imx9_ddr0@ddrc_pm_3@ + imx9_ddr0@ddrc_pm_5@ + imx9_ddr0@ddrc_pm_7@ + imx9_ddr0@ddrc_pm_9@ - imx9_ddr0@ddrc_pm_2@ - imx9_ddr0@ddrc_pm_4@ - imx9_ddr0@ddrc_pm_6@ - imx9_ddr0@ddrc_pm_8@ ) * 32",
+	    "ScaleUnit": "9.765625e-4KB",
+	    "Unit": "imx9_ddr",
+	    "Compat": "imx93"
+   }
+]