jammy (1) nvme-wdc-vs-temperature-stats.1.gz
NAME
nvme-wdc-vs-temperature-stats - Display temperature-related statistics
SYNOPSIS
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 :-
┌────────────────────────────────────┬──────────────────────────────────────┐
│Statistic │ Description │
├────────────────────────────────────┼──────────────────────────────────────┤
│ │ │
│The current composite temperature │ device temperature │
├────────────────────────────────────┼──────────────────────────────────────┤
│ │ │
│Warning Composite TEMPerature │ temp of overheating │
│threshold │ │
├────────────────────────────────────┼──────────────────────────────────────┤
│ │ │
│Critical Composite TEMPerature │ temp of critical overheating │
│threshold │ │
├────────────────────────────────────┼──────────────────────────────────────┤
│ │ │
│Device Initiated Thermal Throttling │ 0 = unsupported, 1 = supported │
│support status │ │
├────────────────────────────────────┼──────────────────────────────────────┤
│ │ │
│Host Controlled Thermal Management │ 0 = unsupported, 1 = supported │
│support │ │
├────────────────────────────────────┼──────────────────────────────────────┤
│ │ │
│Thermal Management Temperature 1 │ temp to start light throttle │
│(Light throttle) │ │
├────────────────────────────────────┼──────────────────────────────────────┤
│ │ │
│Thermal Management Temperature 1 │ # times switched into light throttle │
│Transition Counter │ │
├────────────────────────────────────┼──────────────────────────────────────┤
│ │ │
│Thermal Management Temperature 1 │ # seconds spent in light throttle │
│Total Time │ │
├────────────────────────────────────┼──────────────────────────────────────┤
│ │ │
│Thermal Management Temperature 2 │ temp to start heavy throttle │
│(Heavy throttle) │ │
├────────────────────────────────────┼──────────────────────────────────────┤
│ │ │
│Thermal Management Temperature 2 │ # times switched into heavy throttle │
│Transition Counter │ │
├────────────────────────────────────┼──────────────────────────────────────┤
│ │ │
│Thermal Management Temperature 2 │ # seconds spent in heavy throttle │
│Total Time │ │
├────────────────────────────────────┼──────────────────────────────────────┤
│ │ │
│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.