diff options
| author | bt <bt@btxx.org> | 2024-06-08 13:22:19 -0400 |
|---|---|---|
| committer | bt <bt@btxx.org> | 2024-06-08 13:22:19 -0400 |
| commit | dcfb172704f3afb68a30425029ec834be2883274 (patch) | |
| tree | 02ac480745db802d7af03f3213a0c568322170e3 /build/battery | |
| parent | e146f8a64c793c337999ce316b16ebe5fe6f2dab (diff) | |
More content porting, on-going markdown changes for lowdown support
Diffstat (limited to 'build/battery')
| -rw-r--r-- | build/battery/index.html | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/build/battery/index.html b/build/battery/index.html index e8ab3ab..981c302 100644 --- a/build/battery/index.html +++ b/build/battery/index.html @@ -1,36 +1,49 @@ <!doctype html> -<html lang="en" id="top"> +<html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="icon" href="data:,"> <title>Improving Laptop Battery Performance on OpenBSD</title> - <link href="https://bt.ht/atom.xml" type="application/atom+xml" rel="alternate" title="Atom feed for blog posts" /> - <style>*{box-sizing:border-box;}body{font-family:sans-serif;margin:0 auto;max-width:650px;padding:1rem;}img{max-width:100%;}pre{overflow:auto;}table{text-align:left;width:100%;}</style> + <link href="/atom.xml" type="application/atom+xml" rel="alternate" title="Atom feed for blog posts" /> + <link href="/rss.xml" type="application/rss+xml" rel="alternate" title="RSS feed for blog posts" /> +<style>*{box-sizing:border-box;}body{font-family:sans-serif;line-height:1.33;margin:0 auto;max-width:650px;padding:1rem;}img{max-width:100%;}pre{border:1px solid;overflow:auto;padding:5px;}table{text-align:left;width:100%;}.footnotes{font-size:90%;}</style> </head> <nav> - <a href="#menu">Menu ↓</a> + <a href="#menu">Menu ↓</a> </nav> <main> -<h1>Improving Laptop Battery Performance on OpenBSD</h1> +<h1 id="improving-laptop-battery-performance-on-openbsd">Improving Laptop Battery Performance on OpenBSD</h1> + <p>2023-06-13</p> -<p>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 <em>just enough</em> to squeeze more life out of your machine's battery.</p> -<h2>Our New Best Friend: <code>ampd</code></h2> -<p>I won't go into great detail about <code>ampd</code> here - that's what the incredible <a href="https://man.openbsd.org/apmd">documentation is for</a>. You'll want to make sure to start it before trying to configure it:</p> + +<p>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 <em>just enough</em> to squeeze more life out of your machine’s battery.</p> + +<h2 id="our-new-best-friend-">Our New Best Friend: <code>ampd</code></h2> + +<p>I won’t go into great detail about <code>ampd</code> here - that’s what the incredible <a href="https://man.openbsd.org/apmd">documentation is for</a>. You’ll want to make sure to start it before trying to configure it:</p> + <pre><code>doas rcctl start apmd </code></pre> + <p>If already running in a live session, you can default to <code>-A</code> (auto) but I suggest setting cpu performance to low:</p> + <pre><code>apm -L </code></pre> + <p>To make these changes permanent on boot:</p> + <pre><code>doas rcctl set apmd flags -L </code></pre> -<p>Optimizating battery life via <code>ampd</code> will have the most noticable impact but you can improve things even further by implementing some extra "small" performance wins.</p> -<h2>Small Performance Wins</h2> + +<p>Optimizating battery life via <code>ampd</code> will have the most noticable impact but you can improve things even further by implementing some extra “small” performance wins.</p> + +<h2 id="small-performance-wins">Small Performance Wins</h2> + <ol> -<li>Reduce your screen's brightness (<code>xbacklight -set 50</code>)</li> +<li>Reduce your screen’s brightness (<code>xbacklight -set 50</code>)</li> <li>Use a lightweight window manager instead of a beefer desktop environment</li> <li>Enable battery saving options in your system BIOS (if available)</li> <li>Disable the fingerprint scanner and bluetooth in your system BIOS (if available)</li> |