I have an i5 8400 which I had previously set the scaling governor to Power Save. Recently I changed it to Performance and noticed that my CPU's normal idle usage is much lower. I also noticed on Performance governor my CPU seems to be pegged at the 6-core turbo frequency of 3.8Ghz rather than doing any scaling, which I'm not entirely certain is a bug or not. 6.7 would still scale the CPU on Performance but not quite as aggressively as Power Save. Maybe this is a change in the scaling driver. Idle temps have only risen about 4-6C. I'm ok with that change. Just something else I noticed.
I don't know how the dashboard calculates CPU usage but it seems like it has something to do with the CPU frequency.
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