https://thomazrb.github.io/tags/terminal/Recent content in Terminal on thomazrbHugo -- 0.147.9enThu, 23 Jul 2026 12:52:00 -0300https://thomazrb.github.io/posts/macos-metal-hud/Thu, 23 Jul 2026 12:52:00 -0300https://thomazrb.github.io/posts/macos-metal-hud/<p>The Metal HUD is a macOS overlay that displays real-time GPU metrics: FPS, video memory usage, frame time. It appears directly on top of any Metal app. Useful for monitoring performance in games and graphics applications.</p> <p><img alt="Metal HUD" loading="lazy" src="https://thomazrb.github.io/posts/macos-metal-hud/metal-hud.png"></p> <h3 id="enable">Enable</h3> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-console" data-lang="console"><span style="display:flex;"><span>/bin/launchctl setenv MTL_HUD_ENABLED 1 </span></span></code></pre></div><p>Open (or reopen) the app after running the command. The HUD appears in the corner of the screen.</p> <h3 id="disable">Disable</h3> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-console" data-lang="console"><span style="display:flex;"><span>/bin/launchctl unsetenv MTL_HUD_ENABLED </span></span></code></pre></div><p>Close and reopen the app for the HUD to disappear.</p>