https://evex.one/categories/linux/ Recent content in Linux on Eval-EXEC Hugo -- gohugo.io en execvy@gmail.com (EXEC) execvy@gmail.com (EXEC) ©2026 Sat, 18 Oct 2025 14:38:54 +0800 https://evex.one/posts/linux/cathyos/ Sat, 18 Oct 2025 14:38:54 +0800 execvy@gmail.com (EXEC) Sat, 18 Oct 2025 14:38:54 +0800 https://evex.one/posts/linux/cathyos/ <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">❯ uname -a </span></span><span class="line"><span class="cl">Linux Mufasa 6.17.3-cachyos <span class="c1">#1-NixOS SMP PREEMPT_DYNAMIC Wed Oct 15 10:04:23 UTC 2025 x86_64 GNU/Linux</span> </span></span></code></pre></td></tr></table> </div> </div><p>最近我在 NixOS 里使用了 <a href="https://github.com/chaotic-cx/nyx">https://github.com/chaotic-cx/nyx</a>，顺利切换到了 linux-cachyos 内核。这样做是为了享受 linux-cachyos 提供的 BORE 调度器。</p> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt"> 1 </span><span class="lnt"> 2 </span><span class="lnt"> 3 </span><span class="lnt"> 4 </span><span class="lnt"> 5 </span><span class="lnt"> 6 </span><span class="lnt"> 7 </span><span class="lnt"> 8 </span><span class="lnt"> 9 </span><span class="lnt">10 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">❯ sudo dmesg <span class="p">|</span> grep -i <span class="s2">&#34;bore\|sched\|scheduler&#34;</span> </span></span><span class="line"><span class="cl"><span class="o">[</span> 0.301841<span class="o">]</span> BORE CPU Scheduler modification 6.5.2 by Masahito Suzuki </span></span><span class="line"><span class="cl"><span class="o">[</span> 0.301914<span class="o">]</span> rcu: RCU calculated value of scheduler-enlistment delay is <span class="m">50</span> jiffies. </span></span><span class="line"><span class="cl"><span class="o">[</span> 1.138316<span class="o">]</span> io scheduler mq-deadline registered </span></span><span class="line"><span class="cl"><span class="o">[</span> 1.138320<span class="o">]</span> io scheduler kyber registered </span></span><span class="line"><span class="cl"><span class="o">[</span> 1.138322<span class="o">]</span> Adaptive Deadline I/O Scheduler 3.1.6 by Masahito Suzuki </span></span><span class="line"><span class="cl"><span class="o">[</span> 1.138324<span class="o">]</span> io scheduler adios registered </span></span><span class="line"><span class="cl"><span class="o">[</span> 1.138333<span class="o">]</span> io scheduler bfq registered </span></span><span class="line"><span class="cl"><span class="o">[</span> 1.247483<span class="o">]</span> sched_clock: Marking stable <span class="o">(</span>1240100139, 6557985<span class="o">)</span>-&gt;<span class="o">(</span>1295860107, -49201983<span class="o">)</span> </span></span><span class="line"><span class="cl"><span class="o">[</span> 6.595751<span class="o">]</span> sched_ext: BPF scheduler <span class="s2">&#34;lavd_1.0.16_x86_64_unknown_linux_gnu&#34;</span> enabled </span></span></code></pre></td></tr></table> </div> </div><p>BORE（Burst-Oriented Response Enhancer）是对 EEVDF/CFS 等公平调度算法的一种扩展调度器实现，其设计目标是在混合负载场景中提升交互性和系统响应性，同时尽量保持公平性。</p> EXEC featured image linux cathyos linux linux https://evex.one/posts/linux/xkb/ Sun, 26 Nov 2023 23:21:00 +0800 execvy@gmail.com (EXEC) Sun, 26 Nov 2023 23:21:00 +0800 https://evex.one/posts/linux/xkb/ <p>&ldquo;将 CapsLock 键映射为 Ctrl 键, 同时将 Ctrl 键映射为 Hyper 键&rdquo; 的最简单的做法是给 <code>XkbOptions</code> 选项设置 <code>ctrl:hyper_capscontrol</code>!<br /> 你可以用</p> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">localectl list-x11-keymap-options </span></span></code></pre></td></tr></table> </div> </div><p>来查看XkbOptions 所有的可选项<br /> 然后在这几个环境变量中查看对应的 XkbOption 的源码：</p> EXEC featured image linux xkb linux linux https://evex.one/posts/linux/my_linux/ Sat, 28 Nov 2020 23:55:50 +0800 execvy@gmail.com (EXEC) Sat, 28 Nov 2020 23:55:50 +0800 https://evex.one/posts/linux/my_linux/ <p>我的计算机是我日常打交道最多的设备, 就像是我的一位老朋友. 他懂我的心意.</p> EXEC featured image linux linux https://evex.one/posts/linux/kernel-panic-after-upgrade-arch-packages/ Sun, 01 Mar 2020 19:23:31 +0800 execvy@gmail.com (EXEC) Sun, 01 Mar 2020 19:23:31 +0800 https://evex.one/posts/linux/kernel-panic-after-upgrade-arch-packages/ <h2 id="美好的早晨">美好的早晨</h2> <p>因为疫情，最近在家远程办公呢，像往常一样，我每天早上起床做的第一件事情就是解锁我的 <code>Linux</code> 系统，打开终端，执行：</p> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo pacman -Syu </span></span></code></pre></td></tr></table> </div> </div><p>像往常一样，我等待着更新的过程，但是这次，我发现在下载并校验完待更新的包之后，在快要进入升级过程末尾的 <code>commit changes</code> 之前时，终端卡死，键盘鼠标无响应，连 <code>tty</code> 都进不去，等了 20 分钟都没响应，就长按电源强制关机了，等到我再次开机之后，看到了这样的画面：</p> EXEC featured image linux linux linux