How reliable is the program lm-sensors
in Linux? When I run watch sensors
, I see large skips of temperature, as high as 10 degrees Celsius within the refresh interval of 2 seconds. The two readings below show this, with two screenshots taken 2 seconds apart, with Core 1 jumping 8 degrees down between those.
Reading 1:
Every 2.0s: sensors Thu Nov 19 14:02:41 2020
iwlwifi_1-virtual-0
Adapter: Virtual device
temp1: +66.0°C
acpitz-virtual-0
Adapter: Virtual device
temp1: +59.0°C
coretemp-isa-0000
Adapter: ISA adapter
Package id 0: +67.0°C (high = +100.0°C, crit = +100.0°C)
Core 0: +61.0°C (high = +100.0°C, crit = +100.0°C)
Core 1: +67.0°C (high = +100.0°C, crit = +100.0°C)
Core 2: +60.0°C (high = +100.0°C, crit = +100.0°C)
Core 3: +59.0°C (high = +100.0°C, crit = +100.0°C)
pch_skylake-virtual-0
Adapter: Virtual device
temp1: +55.5°C
Reading 2, taken 2 seconds later:
Every 2.0s: sensors Thu Nov 19 14:02:43 2020
iwlwifi_1-virtual-0
Adapter: Virtual device
temp1: +65.0°C
acpitz-virtual-0
Adapter: Virtual device
temp1: +61.0°C
coretemp-isa-0000
Adapter: ISA adapter
Package id 0: +59.0°C (high = +100.0°C, crit = +100.0°C)
Core 0: +59.0°C (high = +100.0°C, crit = +100.0°C)
Core 1: +59.0°C (high = +100.0°C, crit = +100.0°C)
Core 2: +58.0°C (high = +100.0°C, crit = +100.0°C)
Core 3: +57.0°C (high = +100.0°C, crit = +100.0°C)
pch_skylake-virtual-0
Adapter: Virtual device
temp1: +55.5°C