From 3f6a9546ec13063d0d5bdf21d30a93d3e8aa6050 Mon Sep 17 00:00:00 2001 From: Bradley Taunt Date: Tue, 2 Jul 2024 14:22:21 -0400 Subject: Rebuild changes based off latest barf --- build/posts/battery/index.html | 63 ------------------------------------------ 1 file changed, 63 deletions(-) delete mode 100644 build/posts/battery/index.html (limited to 'build/posts/battery/index.html') diff --git a/build/posts/battery/index.html b/build/posts/battery/index.html deleted file mode 100644 index 524c35b..0000000 --- a/build/posts/battery/index.html +++ /dev/null @@ -1,63 +0,0 @@ - - - - - - - - Improving Laptop Battery Performance on OpenBSD - - - - - - - -
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Improving Laptop Battery Performance on OpenBSD

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2023-06-13

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It is no secret that OpenBSD has poor battery performance on laptops. Although not as impressive as something like Alpine Linux or FreeBSD, you can tweak OpenBSD just enough to squeeze more life out of your machine’s battery.

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Our New Best Friend: ampd

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I won’t go into great detail about ampd here - that’s what the incredible documentation is for. You’ll want to make sure to start it before trying to configure it:

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doas rcctl start apmd
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If already running in a live session, you can default to -A (auto) but I suggest setting cpu performance to low:

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apm -L
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To make these changes permanent on boot:

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doas rcctl set apmd flags -L
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Optimizating battery life via ampd will have the most noticable impact but you can improve things even further by implementing some extra “small” performance wins.

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Small Performance Wins

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  1. Reduce your screen’s brightness (xbacklight -set 50)
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  2. Use a lightweight window manager instead of a beefer desktop environment
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  3. Enable battery saving options in your system BIOS (if available)
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  4. Disable the fingerprint scanner and bluetooth in your system BIOS (if available)
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  5. Use utilities such as mpv and ffmpeg for media consumption
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  6. Reduce the number of open applications at any given time
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