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perf vendor events arm64: Add JSON metrics for imx8mn DDR Perf 

Add JSON metrics for imx8mn DDR Perf.

Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de> <s.hauer@pengutronix.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: kernel@pengutronix.de
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-imx@nxp.com
Link: https://lore.kernel.org/r/20210127105734.12198-3-qiangqing.zhang@nxp.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Joakim Zhang 2021-01-27 18:57:32 +08:00 committed by Arnaldo Carvalho de Melo
parent 84b102f564
commit 842ed29895
2 changed files with 55 additions and 0 deletions
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37
tools/perf/pmu-events/arch/arm64/freescale/imx8mn/sys/ddrc.json Normal file
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@ -0,0 +1,37 @@
[
{
"BriefDescription": "ddr cycles event",
"EventCode": "0x00",
"EventName": "imx8mn_ddr.cycles",
"Unit": "imx8_ddr",
"Compat": "i.MX8MN"
},
{
"BriefDescription": "ddr read-cycles event",
"EventCode": "0x2a",
"EventName": "imx8mn_ddr.read_cycles",
"Unit": "imx8_ddr",
"Compat": "i.MX8MN"
},
{
"BriefDescription": "ddr write-cycles event",
"EventCode": "0x2b",
"EventName": "imx8mn_ddr.write_cycles",
"Unit": "imx8_ddr",
"Compat": "i.MX8MN"
},
{
"BriefDescription": "ddr read event",
"EventCode": "0x35",
"EventName": "imx8mn_ddr.read",
"Unit": "imx8_ddr",
"Compat": "i.MX8MN"
},
{
"BriefDescription": "ddr write event",
"EventCode": "0x38",
"EventName": "imx8mn_ddr.write",
"Unit": "imx8_ddr",
"Compat": "i.MX8MN"
}
]

18
tools/perf/pmu-events/arch/arm64/freescale/imx8mn/sys/metrics.json Normal file
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[
{
"BriefDescription": "bytes all masters read from ddr based on read-cycles event",
"MetricName": "imx8mn_ddr_read.all",
"MetricExpr": "imx8mn_ddr.read_cycles * 4 * 2",
"ScaleUnit": "9.765625e-4KB",
"Unit": "imx8_ddr",
"Compat": "i.MX8MN"
},
{
"BriefDescription": "bytes all masters write to ddr based on write-cycles event",
"MetricName": "imx8mn_ddr_write.all",
"MetricExpr": "imx8mn_ddr.write_cycles * 4 * 2",
"ScaleUnit": "9.765625e-4KB",
"Unit": "imx8_ddr",
"Compat": "i.MX8MN"
}
]