On Sun, Apr 28, 2024, at 4:17 PM, Mihai Popescu wrote: > > Any ideas if it's remediable or where to start digging? > > Linux has drivers for devices shutdown when not used and idle power > states, pretty much like Windows has. Android, who is Linux derived, > took this concept to a much higher level. > Think of a wireless card and you can see on man ath(4): " The driver > does not fully enable power-save operation of the chip; consequently > power use is suboptimal." This is one of the simplest example.
My BIOS allows me to disable the wireless and three other ports (External I/O, WIFI/Bluetooth, Finger Print, Camera). I turned all of these off and did notice a change but it was only about 1.5-2W out of the ~10W > Next, your CPU has performance cores and efficient cores. The thread > per CPU allocation on Linux is on work but it is more advanced. > > My BIOS also allows me to disable cores, but requires me to keep at least one efficiency and one performance. I did this and the kernel threads dropped to three but I didn't notice any power change. In fact, power usage seemed to go up slightly but not much. Is that expected and this is still a viable path for digging?
