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perf vendor events arm64: Add i.MX91 DDR Performance Monitor metrics

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Add JSON metrics for i.MX91 DDR Performance Monitor.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: festevam@gmail.com
Cc: conor+dt@kernel.org
Cc: krzk+dt@kernel.org
Cc: robh@kernel.org
Cc: shawnguo@kernel.org
Cc: will@kernel.org
Cc: james.clark@linaro.org
Cc: mike.leach@linaro.org
Cc: leo.yan@linux.dev
Cc: linux-arm-kernel@lists.infradead.org
Cc: imx@lists.linux.dev
Cc: Frank.li@nxp.com
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/20240924061251.3387850-3-xu.yang_2@nxp.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Xu Yang 2024-09-24 14:12:51 +08:00 committed by Namhyung Kim
parent 7449a4d674
commit e3b2949e3f
2 changed files with 35 additions and 0 deletions
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9
tools/perf/pmu-events/arch/arm64/freescale/imx91/sys/ddrc.json Normal file
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@ -0,0 +1,9 @@
[
{
"BriefDescription": "ddr cycles event",
"EventCode": "0x00",
"EventName": "imx91_ddr.cycles",
"Unit": "imx9_ddr",
"Compat": "imx91"
}
]

26
tools/perf/pmu-events/arch/arm64/freescale/imx91/sys/metrics.json Normal file
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[
{
"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"
}
]