From: Xu Yang <xu.yang_2@nxp.com>
To: Frank.li@nxp.com, will@kernel.org, mark.rutland@arm.com,
robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com,
john.g.garry@oracle.com, james.clark@linaro.org,
mike.leach@linaro.org, leo.yan@linux.dev, peterz@infradead.org,
mingo@redhat.com, acme@kernel.org, namhyung@kernel.org,
alexander.shishkin@linux.intel.com, jolsa@kernel.org,
irogers@google.com, adrian.hunter@intel.com,
kan.liang@linux.intel.com
Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
imx@lists.linux.dev, linux-perf-users@vger.kernel.org
Subject: [PATCH 3/3] perf vendor events arm64: Add i.MX91 DDR Performance Monitor metrics
Date: Tue, 24 Sep 2024 14:12:51 +0800 [thread overview]
Message-ID: <20240924061251.3387850-3-xu.yang_2@nxp.com> (raw)
In-Reply-To: <20240924061251.3387850-1-xu.yang_2@nxp.com>
Add JSON metrics for i.MX91 DDR Performance Monitor.
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
---
.../arch/arm64/freescale/imx91/sys/ddrc.json | 9 +++++++
.../arm64/freescale/imx91/sys/metrics.json | 26 +++++++++++++++++++
2 files changed, 35 insertions(+)
create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/imx91/sys/ddrc.json
create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/imx91/sys/metrics.json
diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx91/sys/ddrc.json b/tools/perf/pmu-events/arch/arm64/freescale/imx91/sys/ddrc.json
new file mode 100644
index 000000000000..74ac12660a29
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/freescale/imx91/sys/ddrc.json
@@ -0,0 +1,9 @@
+[
+ {
+ "BriefDescription": "ddr cycles event",
+ "EventCode": "0x00",
+ "EventName": "imx91_ddr.cycles",
+ "Unit": "imx9_ddr",
+ "Compat": "imx91"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx91/sys/metrics.json b/tools/perf/pmu-events/arch/arm64/freescale/imx91/sys/metrics.json
new file mode 100644
index 000000000000..f0c5911eb2d0
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/freescale/imx91/sys/metrics.json
@@ -0,0 +1,26 @@
+[
+ {
+ "BriefDescription": "bandwidth usage for lpddr4 evk board",
+ "MetricName": "imx91_bandwidth_usage.lpddr4",
+ "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) / (2400 * 1000000 * 2)",
+ "ScaleUnit": "1e2%",
+ "Unit": "imx9_ddr",
+ "Compat": "imx91"
+ },
+ {
+ "BriefDescription": "bytes all masters read from ddr",
+ "MetricName": "imx91_ddr_read.all",
+ "MetricExpr": "( imx9_ddr0@ddrc_pm_0@ ) * 2 * 8",
+ "ScaleUnit": "9.765625e-4KB",
+ "Unit": "imx9_ddr",
+ "Compat": "imx91"
+ },
+ {
+ "BriefDescription": "bytes all masters write to ddr",
+ "MetricName": "imx91_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": "imx91"
+ }
+]
--
2.34.1
next prev parent reply other threads:[~2024-09-24 6:12 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-24 6:12 [PATCH 1/3] dt-bindings: perf: fsl-imx-ddr: Add i.MX91 compatible Xu Yang
2024-09-24 6:12 ` [PATCH 2/3] perf: imx_perf: add support for i.MX91 platform Xu Yang
2024-09-24 18:09 ` Frank Li
2024-09-24 6:12 ` Xu Yang [this message]
2024-09-30 21:07 ` [PATCH 3/3] perf vendor events arm64: Add i.MX91 DDR Performance Monitor metrics Namhyung Kim
2024-10-08 5:49 ` Xu Yang
2024-10-09 6:49 ` Namhyung Kim
2024-10-09 9:38 ` Xu Yang
2024-10-10 0:21 ` Namhyung Kim
2024-10-29 8:31 ` Xu Yang
2024-10-24 12:26 ` Will Deacon
2024-10-29 18:29 ` Namhyung Kim
2024-09-24 16:27 ` [PATCH 1/3] dt-bindings: perf: fsl-imx-ddr: Add i.MX91 compatible Conor Dooley
2024-10-09 17:42 ` Frank Li
2024-10-24 12:25 ` Will Deacon
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