summaryrefslogtreecommitdiffstats
path: root/tools/perf/pmu-events
diff options
context:
space:
mode:
authorXu Yang <xu.yang_2@nxp.com>2024-05-29 16:03:57 +0800
committerNamhyung Kim <namhyung@kernel.org>2024-07-03 16:46:05 -0700
commit2697b79a469b68e3ad3640f55284359c1396278d (patch)
treee05c38cfdc1c9091a73b6787ee13c9405dcec9c9 /tools/perf/pmu-events
parent1059fb529114a4ac524e4c366f0a0933810efddf (diff)
downloadlinux-stable-2697b79a469b68e3ad3640f55284359c1396278d.tar.gz
linux-stable-2697b79a469b68e3ad3640f55284359c1396278d.tar.bz2
linux-stable-2697b79a469b68e3ad3640f55284359c1396278d.zip
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@nxp.com> Signed-off-by: Xu Yang <xu.yang_2@nxp.com> Cc: festevam@gmail.com Cc: conor+dt@kernel.org Cc: robh+dt@kernel.org Cc: shawnguo@kernel.org Cc: will@kernel.org Cc: krzysztof.kozlowski+dt@linaro.org Cc: mike.leach@linaro.org Cc: linux-arm-kernel@lists.infradead.org Cc: imx@lists.linux.dev Cc: john.g.garry@oracle.com Cc: kernel@pengutronix.de Cc: s.hauer@pengutronix.de Cc: devicetree@vger.kernel.org Link: https://lore.kernel.org/r/20240529080358.703784-7-xu.yang_2@nxp.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'tools/perf/pmu-events')
-rw-r--r--tools/perf/pmu-events/arch/arm64/freescale/imx93/sys/ddrc.json9
-rw-r--r--tools/perf/pmu-events/arch/arm64/freescale/imx93/sys/metrics.json26
2 files changed, 35 insertions, 0 deletions
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"
+ }
+]