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Subject[PATCH RFC v5 13/13] perf vendor events: Add JSON metrics for imx8mm DDR Perf
Date
From: Joakim Zhang <qiangqing.zhang@nxp.com>

Add JSON metrics for imx8mm DDR Perf.

Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: John Garry <john.garry@huawei.com>
---
.../arch/arm64/freescale/imx8mm/sys/ddrc.json | 39 +++++++++++++++++++
.../arm64/freescale/imx8mm/sys/metrics.json | 18 +++++++++
tools/perf/pmu-events/jevents.c | 1 +
3 files changed, 58 insertions(+)
create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/ddrc.json
create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/metrics.json

diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/ddrc.json b/tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/ddrc.json
new file mode 100644
index 000000000000..3b1cd708f568
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/ddrc.json
@@ -0,0 +1,39 @@
+[
+ {
+ "BriefDescription": "ddr cycles event",
+ "EventCode": "0x00",
+ "EventName": "imx8mm_ddr.cycles",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MM"
+ },
+ {
+ "BriefDescription": "ddr read-cycles event",
+ "EventCode": "0x2a",
+ "EventName": "imx8mm_ddr.read_cycles",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MM"
+ },
+ {
+ "BriefDescription": "ddr write-cycles event",
+ "EventCode": "0x2b",
+ "EventName": "imx8mm_ddr.write_cycles",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MM"
+ },
+ {
+ "BriefDescription": "ddr read event",
+ "EventCode": "0x35",
+ "EventName": "imx8mm_ddr.read",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MM"
+ },
+ {
+ "BriefDescription": "ddr write event",
+ "EventCode": "0x38",
+ "EventName": "imx8mm_ddr.write",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MM"
+ }
+]
+
+
diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/metrics.json b/tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/metrics.json
new file mode 100644
index 000000000000..8e553b67cae6
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/metrics.json
@@ -0,0 +1,18 @@
+[
+ {
+ "BriefDescription": "bytes all masters read from ddr based on read-cycles event",
+ "MetricName": "imx8mm_ddr_read.all",
+ "MetricExpr": "imx8mm_ddr.read_cycles * 4 * 4",
+ "ScaleUnit": "9.765625e-4KB",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MM"
+ },
+ {
+ "BriefDescription": "bytes all masters write to ddr based on write-cycles event",
+ "MetricName": "imx8mm_ddr_write.all",
+ "MetricExpr": "imx8mm_ddr.write_cycles * 4 * 4",
+ "ScaleUnit": "9.765625e-4KB",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MM"
+ }
+]
diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
index 46e5253b0862..89add92de45c 100644
--- a/tools/perf/pmu-events/jevents.c
+++ b/tools/perf/pmu-events/jevents.c
@@ -282,6 +282,7 @@ static struct map {
{ "hisi_sccl,hha", "hisi_sccl,hha" },
{ "hisi_sccl,l3c", "hisi_sccl,l3c" },
/* it's not realistic to keep adding these, we need something more scalable ... */
+ { "imx8_ddr", "imx8_ddr" },
{ "smmuv3_pmcg", "smmuv3_pmcg" },
{ "L3PMC", "amd_l3" },
{ "DFPMC", "amd_df" },
--
2.26.2
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