diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/pmu-events/arch/arm64/arm/cortex-a53/imx8mm-ddr-uncore.json | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/perf/pmu-events/arch/arm64/arm/cortex-a53/imx8mm-ddr-uncore.json b/tools/perf/pmu-events/arch/arm64/arm/cortex-a53/imx8mm-ddr-uncore.json index 673275162406..db64fa9f66b5 100644 --- a/tools/perf/pmu-events/arch/arm64/arm/cortex-a53/imx8mm-ddr-uncore.json +++ b/tools/perf/pmu-events/arch/arm64/arm/cortex-a53/imx8mm-ddr-uncore.json @@ -1,5 +1,24 @@ [ { + "PublicDescription": "lpddr4 evk board bandwidth usage", + "BriefDescription": "imx8mm: percentage of bandwidth usage for ddr0", + "MetricName": "imx8mm-ddr0-bandwidth-usage-lpddr4", + "MetricExpr": "(( imx8_ddr0\\/read\\-cycles\\/ + imx8_ddr0\\/write\\-cycles\\/) * 4 * 4 / duration_time) / (750 * 1000000 * 4 * 4)", + "MetricGroup": "i.MX8MM_DDR_MON", + "ScaleUnit": "1e2%", + "SocName": "i.MX8MM" + }, + { + "PublicDescription": "ddr4 evk board bandwidth usage", + "BriefDescription": "imx8mm: percentage of bandwidth usage for ddr0", + "MetricName": "imx8mm-ddr0-bandwidth-usage-ddr4", + "MetricExpr": "(( imx8_ddr0\\/read\\-cycles\\/ + imx8_ddr0\\/write\\-cycles\\/) * 4 * 4 / duration_time) / (600 * 1000000 * 4 * 4)", + "MetricGroup": "i.MX8MM_DDR_MON", + "ScaleUnit": "1e2%", + "SocName": "i.MX8MM" + }, + + { "PublicDescription": "Calculate bytes all masters read from DDR based on read-cycles event. DDR interface generates 2 up and 2 down edges in an internal clock cycle, can pass 4 beats of data. 4 bytes of each beat if DDR burst width is 32 bit.", "BriefDescription": "imx8mm: bytes of all masters read from ddr0", "MetricName": "imx8mm-ddr0-all-r", |