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Subject[PATCH V3 2/4] perf vendor events: Add JSON metrics for imx8mn DDR Perf
Date
Add JSON metrics for imx8mn DDR Perf.

Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
---
.../arch/arm64/freescale/imx8mn/sys/ddrc.json | 37 +++++++++++++++++++
.../arm64/freescale/imx8mn/sys/metrics.json | 18 +++++++++
2 files changed, 55 insertions(+)
create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/imx8mn/sys/ddrc.json
create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/imx8mn/sys/metrics.json

diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx8mn/sys/ddrc.json b/tools/perf/pmu-events/arch/arm64/freescale/imx8mn/sys/ddrc.json
new file mode 100644
index 000000000000..8352e73d6d35
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/freescale/imx8mn/sys/ddrc.json
@@ -0,0 +1,37 @@
+[
+ {
+ "BriefDescription": "ddr cycles event",
+ "EventCode": "0x00",
+ "EventName": "imx8mn_ddr.cycles",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MN"
+ },
+ {
+ "BriefDescription": "ddr read-cycles event",
+ "EventCode": "0x2a",
+ "EventName": "imx8mn_ddr.read_cycles",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MN"
+ },
+ {
+ "BriefDescription": "ddr write-cycles event",
+ "EventCode": "0x2b",
+ "EventName": "imx8mn_ddr.write_cycles",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MN"
+ },
+ {
+ "BriefDescription": "ddr read event",
+ "EventCode": "0x35",
+ "EventName": "imx8mn_ddr.read",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MN"
+ },
+ {
+ "BriefDescription": "ddr write event",
+ "EventCode": "0x38",
+ "EventName": "imx8mn_ddr.write",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MN"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx8mn/sys/metrics.json b/tools/perf/pmu-events/arch/arm64/freescale/imx8mn/sys/metrics.json
new file mode 100644
index 000000000000..2bbba4d8ea5b
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/freescale/imx8mn/sys/metrics.json
@@ -0,0 +1,18 @@
+[
+ {
+ "BriefDescription": "bytes all masters read from ddr based on read-cycles event",
+ "MetricName": "imx8mn_ddr_read.all",
+ "MetricExpr": "imx8mn_ddr.read_cycles * 4 * 2",
+ "ScaleUnit": "9.765625e-4KB",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MN"
+ },
+ {
+ "BriefDescription": "bytes all masters write to ddr based on write-cycles event",
+ "MetricName": "imx8mn_ddr_write.all",
+ "MetricExpr": "imx8mn_ddr.write_cycles * 4 * 2",
+ "ScaleUnit": "9.765625e-4KB",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MN"
+ }
+]
--
2.17.1
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