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Message-Id: <20240529080358.703784-7-xu.yang_2@nxp.com>
Date: Wed, 29 May 2024 16:03:57 +0800
From: Xu Yang <xu.yang_2@....com>
To: frank.li@....com,
will@...nel.org,
mark.rutland@....com,
robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org,
conor+dt@...nel.org,
shawnguo@...nel.org,
s.hauer@...gutronix.de,
kernel@...gutronix.de,
festevam@...il.com,
john.g.garry@...cle.com,
jolsa@...nel.org,
namhyung@...nel.org,
irogers@...gle.com
Cc: mike.leach@...aro.org,
peterz@...radead.org,
mingo@...hat.com,
acme@...nel.org,
alexander.shishkin@...ux.intel.com,
adrian.hunter@...el.com,
linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-perf-users@...r.kernel.org,
imx@...ts.linux.dev
Subject: [PATCH v12 7/8] perf vendor events arm64:: Add i.MX93 DDR Performance Monitor metrics
Add JSON metrics for i.MX93 DDR Performance Monitor.
Reviewed-by: Frank Li <Frank.Li@....com>
Signed-off-by: Xu Yang <xu.yang_2@....com>
---
Changes in v7:
- new patch
Changes in v8:
- no changes
Changes in v9:
- add Rb tag
Changes in v10:
- no changes
Changes in v11:
- no changes
Changes in v12:
- no changes
---
.../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
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@...c_pm_0@ ) * 2 * 8 ) + (( imx9_ddr0@...c_pm_3@ + imx9_ddr0@...c_pm_5@ + imx9_ddr0@...c_pm_7@ + imx9_ddr0@...c_pm_9@ - imx9_ddr0@...c_pm_2@ - imx9_ddr0@...c_pm_4@ - imx9_ddr0@...c_pm_6@ - imx9_ddr0@...c_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@...c_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@...c_pm_3@ + imx9_ddr0@...c_pm_5@ + imx9_ddr0@...c_pm_7@ + imx9_ddr0@...c_pm_9@ - imx9_ddr0@...c_pm_2@ - imx9_ddr0@...c_pm_4@ - imx9_ddr0@...c_pm_6@ - imx9_ddr0@...c_pm_8@ ) * 32",
+ "ScaleUnit": "9.765625e-4KB",
+ "Unit": "imx9_ddr",
+ "Compat": "imx93"
+ }
+]
--
2.34.1
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