Messages in this thread Patch in this message | | | From | John Garry <> | Subject | [PATCH RFC v3 08/12] perf vendor events: Add JSON metrics for imx8mm DDR Perf | Date | Thu, 7 May 2020 19:57:47 +0800 |
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From: Joakim Zhang <qiangqing.zhang@nxp.com>
Add JSON metrics for imx8mm DDR Perf.
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com> Signed-off-by: John Garry <john.garry@huawei.com> --- .../arch/arm64/freescale/imx8mm/sys/ddrc.json | 39 ++++++++++++++++++++++ .../arch/arm64/freescale/imx8mm/sys/metrics.json | 18 ++++++++++ tools/perf/pmu-events/jevents.c | 1 + 3 files changed, 58 insertions(+) create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/ddrc.json create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/metrics.json
diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/ddrc.json b/tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/ddrc.json new file mode 100644 index 000000000000..8a3dae61a48f --- /dev/null +++ b/tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/ddrc.json @@ -0,0 +1,39 @@ +[ + { + "BriefDescription": "ddr cycles event", + "EventCode": "0x00", + "EventName": "imx8mm_ddr.cycles", + "Unit": "imx8_ddr", + "Compat": "i.mx8mm" + }, + { + "BriefDescription": "ddr read-cycles event", + "EventCode": "0x2a", + "EventName": "imx8mm_ddr.read_cycles", + "Unit": "imx8_ddr", + "Compat": "i.mx8mm" + }, + { + "BriefDescription": "ddr write-cycles event", + "EventCode": "0x2b", + "EventName": "imx8mm_ddr.write_cycles", + "Unit": "imx8_ddr", + "Compat": "i.mx8mm" + }, + { + "BriefDescription": "ddr read event", + "EventCode": "0x35", + "EventName": "imx8mm_ddr.read", + "Unit": "imx8_ddr", + "Compat": "i.mx8mm" + }, + { + "BriefDescription": "ddr write event", + "EventCode": "0x38", + "EventName": "imx8mm_ddr.write", + "Unit": "imx8_ddr", + "Compat": "i.mx8mm" + } +] + + diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/metrics.json b/tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/metrics.json new file mode 100644 index 000000000000..eb891ac896ad --- /dev/null +++ b/tools/perf/pmu-events/arch/arm64/freescale/imx8mm/sys/metrics.json @@ -0,0 +1,18 @@ +[ + { + "BriefDescription": "bytes all masters read from ddr based on read-cycles event", + "MetricName": "imx8mm_ddr_read.all", + "MetricExpr": "imx8mm_ddr.read_cycles * 4 * 4", + "ScaleUnit": "9.765625e-4KB", + "Unit": "imx8_ddr", + "Compat": "i.mx8mm" + }, + { + "BriefDescription": "bytes all masters write to ddr based on write-cycles event", + "MetricName": "imx8mm_ddr_write.all", + "MetricExpr": "imx8mm_ddr.write_cycles * 4 * 4", + "ScaleUnit": "9.765625e-4KB", + "Unit": "imx8_ddr", + "Compat": "i.mx8mm" + } +] diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c index 76a84ec2ffc8..efdade0194af 100644 --- a/tools/perf/pmu-events/jevents.c +++ b/tools/perf/pmu-events/jevents.c @@ -257,6 +257,7 @@ static struct map { { "hisi_sccl,hha", "hisi_sccl,hha" }, { "hisi_sccl,l3c", "hisi_sccl,l3c" }, /* it's not realistic to keep adding these, we need something more scalable ... */ + { "imx8_ddr", "imx8_ddr" }, { "smmuv3_pmcg", "smmuv3_pmcg" }, { "L3PMC", "amd_l3" }, {} -- 2.16.4
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