http://blog.sdcswd.wang/tags/real-time/ Recent content in Real-Time on Heterotopia Hugo -- 0.147.2 zh-CN Tue, 02 Jun 2020 20:32:51 +0000 http://blog.sdcswd.wang/posts/real-time-performance/ Tue, 02 Jun 2020 20:32:51 +0000 http://blog.sdcswd.wang/posts/real-time-performance/ <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="ln" id="hl-0-1"><a class="lnlinks" href="#hl-0-1">1</a></span><span class="cl"><span class="c1"># @Time : 20200602</span> </span></span><span class="line"><span class="ln" id="hl-0-2"><a class="lnlinks" href="#hl-0-2">2</a></span><span class="cl"><span class="c1"># @Language: Markdown</span> </span></span><span class="line"><span class="ln" id="hl-0-3"><a class="lnlinks" href="#hl-0-3">3</a></span><span class="cl"><span class="c1"># @Software: VS Code</span> </span></span><span class="line"><span class="ln" id="hl-0-4"><a class="lnlinks" href="#hl-0-4">4</a></span><span class="cl"><span class="c1"># @Author : Di Wang</span> </span></span><span class="line"><span class="ln" id="hl-0-5"><a class="lnlinks" href="#hl-0-5">5</a></span><span class="cl"><span class="c1"># @Email : sdcswd@gmail.com</span> </span></span></code></pre></div><h1 id="实时操作系统性能分析">实时操作系统性能分析</h1> <p>因为最近需要测试下Raspberry Pi 4B作为EPICS IOC的实时性能，所以复习了下操作系统实时性相关的知识（用了本科的教材《操作系统概念（第七版）》郑扣根译）。本文不会再细讲CPU调度的内容，只会着重分析实时性相关内容。</p>