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WhyHot

Launched this week

Why is my fan running? Finally, an answer. [Linux]

2 followers

Why is my fan running? Finally, an answer. [Linux]

2 followers

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I got tired of graphs that never answered the one question I had: why is my fan running? So I wrote down the rules for what counts as 'justified' first, then built the tool against that spec. Happy to hear what else you'd want it to explain.

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I'm Rohit. whyhot started because my laptop fan kept spinning up and I couldn't tell why. Every monitor I tried showed graphs but never said whether the fan had a good reason. So this one watches CPU, temperature, fan and processes, and when something spikes it records an incident with a verdict. Either the load explains the fan, or it doesn't. Linux only, reads /proc and /sys, MIT licensed. Works if your machine exposes fan and temp sensors, which not every laptop does. If it doesn't work on yours, I'd like to know which model.

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3d ago