nvme-wdc-vs-temperature-stats
NVME-WDC-VS-TEMPE(1) NVMe Manual NVME-WDC-VS-TEMPE(1)
NAME
nvme-wdc-vs-temperature-stats - Display temperature-related statisticsSYNOPSIS
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 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/nvme0NVME
Part of the nvme-user suite.NVMe 05/02/2025 NVME-WDC-VS-TEMPE(1)