Voltage will be under node_hwmon_in_volts and node_hwmon_cpu_volts. Using group_left you can join the label and chip_name labels in PromQL, though beware that they may be missing in some cases so you need to be resilient to that.įor fans there's node_hwmon_fan_rpm for the speed, and node_hwmon_pwm_enable to indicate if pulse-width modulation (a way of controlling fan speed) is enabled. Temperature is the main metric and is in node_hwmon_temp_celsius: # HELP node_hwmon_temp_celsius Hardware monitor for temperature (input) This machine only happens to have temperature and a (non-reporting) fan, so let's look at those first. The node exporter has the same information under node_hwmon_*. You've probably come across the sensors command from lm-sensors which on my desktop produces output like: coretemp-isa-0000
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