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diff --git a/build/battery/index.html b/build/battery/index.html index 981c302..d855674 100644 --- a/build/battery/index.html +++ b/build/battery/index.html @@ -3,11 +3,12 @@ <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> + <meta name="color-scheme" content="dark light"> <link rel="icon" href="data:,"> <title>Improving Laptop Battery Performance on OpenBSD</title> <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> +<style>*{box-sizing:border-box;}body{font-family:sans-serif;line-height:1.33;margin:0 auto;max-width:650px;padding:1rem;}blockquote{background:rgba(0,0,0,0.1);border-left:4px solid;padding-left:5px;}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> @@ -16,32 +17,20 @@ <main> <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 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 id="small-performance-wins">Small Performance Wins</h2> - <ol> <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> |