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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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power-profiles-daemon vs autocpu-freq vs tlp, which is better? (lemmy.zip)

submitted 3 weeks ago by SpiderUnderUrBed@lemmy.zip to c/linux@lemmy.ml

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Currently I have only one laptop, I use it for everything and it has an nvidia gpu and a 11th Gen Intel(R) Core(TM) i7-11800H. I have a mode which disables the GPU which i use when i am out and about. However I want to minimize battery use to a significant degree, so which out of the three should I have on? power-profiles-daemon or autocpu-freq or tlp, which is better for battery performance? I know ppd is configurable via desktop, so i have kde set to power saving mode, but I still want better if possible, is there something more i can be doing with ppd or would autocpu-freq or tlp work better?

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[–] PetteriPano@lemmy.world 1 points 3 weeks ago

Auto-cpufreq only changes the CPU governor based on your preference for load and power source. In my experience you need to disable the intel_pstate driver to see real gains in the powersave/conservative governors. That's true for all three options.

Tlp can also manage power to radios, ports, devices. Gains are small over auto-cpufreq, and it can be a bit finicky not to lose some part you actually wanted to keep powered on.

I'm not very familiar with power-profiles-daemon, but I think it sets governor and rules for screen/sleep timeout. You'll probably see better gains without intel_pstate there, too.