1NVME-WDC-VS-TEMPE(1) NVMe Manual NVME-WDC-VS-TEMPE(1)
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6 nvme-wdc-vs-temperature-stats - Display temperature-related statistics
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9 nvme wdc vs-temperature-stats <device>
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12 For the NVMe device given, displays temperature statistics.
13 The <device> parameter is mandatory NVMe character device (ex:
15 /dev/nvme0).
16 This will only work on WDC devices supporting this feature. Results for
18 any other device are undefined.
19 Expected status and description :-
21 ┌───────────────────────────┬──────────────────────────┐
23 │Statistic │ Description │
24 ├───────────────────────────┼──────────────────────────┤
25 │ │ │
26 │The current composite │ device temperature │
27 │temperature │ │
28 ├───────────────────────────┼──────────────────────────┤
29 │ │ │
30 │Warning Composite │ temp of overheating │
31 │TEMPerature threshold │ │
32 ├───────────────────────────┼──────────────────────────┤
33 │ │ │
34 │Critical Composite │ temp of critical │
35 │TEMPerature threshold │ overheating │
36 ├───────────────────────────┼──────────────────────────┤
37 │ │ │
38 │Device Initiated Thermal │ 0 = unsupported, 1 = │
39 │Throttling support status │ supported │
40 ├───────────────────────────┼──────────────────────────┤
41 │ │ │
42 │Host Controlled Thermal │ 0 = unsupported, 1 = │
43 │Management support │ supported │
44 ├───────────────────────────┼──────────────────────────┤
45 │ │ │
46 │Thermal Management │ temp to start light │
47 │Temperature 1 (Light │ throttle │
48 │throttle) │ │
49 ├───────────────────────────┼──────────────────────────┤
50 │ │ │
51 │Thermal Management │ # times switched into │
52 │Temperature 1 Transition │ light throttle │
53 │Counter │ │
54 ├───────────────────────────┼──────────────────────────┤
55 │ │ │
56 │Thermal Management │ # seconds spent in light │
57 │Temperature 1 Total Time │ throttle │
58 ├───────────────────────────┼──────────────────────────┤
59 │ │ │
60 │Thermal Management │ temp to start heavy │
61 │Temperature 2 (Heavy │ throttle │
62 │throttle) │ │
63 ├───────────────────────────┼──────────────────────────┤
64 │ │ │
65 │Thermal Management │ # times switched into │
66 │Temperature 2 Transition │ heavy throttle │
67 │Counter │ │
68 ├───────────────────────────┼──────────────────────────┤
69 │ │ │
70 │Thermal Management │ # seconds spent in heavy │
71 │Temperature 2 Total Time │ throttle │
72 ├───────────────────────────┼──────────────────────────┤
73 │ │ │
74 │Thermal Shutdown Threshold │ temp of device shutdown │
75 └───────────────────────────┴──────────────────────────┘
76 On success it returns 0, error code otherwise.
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80 • Displays the temperature stats for the device:
81 # nvme wdc vs-temperature-stats /dev/nvme0
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85 Part of the nvme-user suite.
86NVMe 09/29/2023 NVME-WDC-VS-TEMPE(1)