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perf vendor events arm64: imx95: add imx95_bandwidth_usage.lpddr4x metric

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Except lpddr5, i.MX95 also support lpddr4x. This will add a metric for
lpddr4x.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Cc: shawnguo@kernel.org
Cc: will@kernel.org
Cc: james.clark@linaro.org
Cc: mike.leach@linaro.org
Cc: imx@lists.linux.dev
Cc: john.g.garry@oracle.com
Cc: kernel@pengutronix.de
Cc: s.hauer@pengutronix.de
Link: https://lore.kernel.org/r/20240924030812.3211029-1-xu.yang_2@nxp.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Xu Yang
2024-09-24 11:08:12 +08:00
committed by Namhyung Kim
parent b77f8c36ce
commit 235f0da327
1 changed files with 8 additions and 0 deletions
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8
tools/perf/pmu-events/arch/arm64/freescale/imx95/sys/metrics.json
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@@ -7,6 +7,14 @@
"Unit": "imx9_ddr",
"Compat": "imx95"
},
{
"BriefDescription": "bandwidth usage for lpddr4x evk board",
"MetricName": "imx95_bandwidth_usage.lpddr4x",
"MetricExpr": "(( imx9_ddr0@eddrtq_pm_rd_beat_filt0\\,axi_mask\\=0x000\\,axi_id\\=0x000@ + imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x000\\,axi_id\\=0x000@ ) * 32 / duration_time) / (4000 * 1000000 * 4)",
"ScaleUnit": "1e2%",
"Unit": "imx9_ddr",
"Compat": "imx95"
},
{
"BriefDescription": "bytes of all masters read from ddr",
"MetricName": "imx95_ddr_read.all",