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diff --git a/Documentation/nvme-wdc-vs-temperature-stats.txt b/Documentation/nvme-wdc-vs-temperature-stats.txt new file mode 100644 index 0000000..1d000e3 --- /dev/null +++ b/Documentation/nvme-wdc-vs-temperature-stats.txt @@ -0,0 +1,78 @@ +nvme-wdc-vs-temperature-stats(1) +================================ + +NAME +---- +nvme-wdc-vs-temperature-stats - Display temperature-related statistics + +SYNOPSIS +-------- +[verse] +'nvme wdc vs-temperature-stats' <device> + +DESCRIPTION +----------- + +For the NVMe device given, displays temperature statistics. + +The <device> parameter is mandatory NVMe character device (ex: /dev/nvme0). + +This will only work on WDC devices supporting this feature. +Results for any other device are undefined. + +Expected status and description :- + +[cols="2*", options="header"] +|=== +|Statistic |Description + +|The current composite temperature +|device temperature + +|Warning Composite TEMPerature threshold +|temp of overheating + +|Critical Composite TEMPerature threshold +|temp of critical overheating + +|Device Initiated Thermal Throttling support status +|0 = unsupported, 1 = supported + +|Host Controlled Thermal Management support +|0 = unsupported, 1 = supported + +|Thermal Management Temperature 1 (Light throttle) +|temp to start light throttle + +|Thermal Management Temperature 1 Transition Counter +|# times switched into light throttle + +|Thermal Management Temperature 1 Total Time +|# seconds spent in light throttle + +|Thermal Management Temperature 2 (Heavy throttle) +|temp to start heavy throttle + +|Thermal Management Temperature 2 Transition Counter +|# times switched into heavy throttle + +|Thermal Management Temperature 2 Total Time +|# seconds spent in heavy throttle + +|Thermal Shutdown Threshold +|temp of device shutdown +|=== + +On success it returns 0, error code otherwise. + +EXAMPLES +-------- +* Displays the temperature stats for the device: ++ +------------ +# nvme wdc vs-temperature-stats /dev/nvme0 +------------ + +NVME +---- +Part of the nvme-user suite. |