You can just enable all of these features on any 6.8+ kernel. You don't need Ubuntu Pro.
No, it will no radically improve your gaming performance, but it will definitely increase your energy bill.
this post was submitted on 30 May 2024
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Why would it increase your energy bill?
I guess, the governor is set to performance for a realtime kernel to work properly, thus the CPU consumes more power.
Partially, but the shift is more in the amount of power required to constantly serve interrupts. That's essentially what these flags enable. Where previously the kernel would be more lax about scheduling such things, this let's all those interrupts off the chain. More interrupts = more power draw. The ARM and AMD extensions mean to reduce that in a meaningful way, though.
Why are we monetizing a kernel flag?
Perhaps because it takes time, resources and workforce to build another kernel version. Not to mention Ubuntu Pro is actually free. But then again, I know we're just supposed to hate Ubuntu here.
Might try this out once I upgrade to 24.04