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<!DOCTYPE html> <html lang="en" dir="auto"> <head><meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=5, user-scalable=no"> <meta name="description" content="Feature labels Table of contents Built-in labels CPU Kernel Memory Network PCI USB Storage System Custom User defined labels Extended resources Fea..."> <meta name="revised" content=""> <meta name="author" content="Kubernetes SIGs"> <meta name="generator" content="rundocs/jekyll-rtd-theme v2.0.10"><meta name="theme-color" content="#2980b9"> <title>Feature labels · Node Feature Discovery</title> <meta name="twitter:title" content="Feature labels · Node Feature Discovery"> <meta name="twitter:description" content="Feature labels Table of contents Built-in labels CPU Kernel Memory Network PCI USB Storage System Custom User defined labels Extended resources Fea..."> <meta name="twitter:card" content="summary"> <meta name="twitter:site" content="@Kubernetes SIGs"> <meta name="twitter:url" content="https://kubernetes-sigs.github.com/node-feature-discovery/v0.13/usage/features.html"> <meta name="twitter:creator" content="@rundocs/jekyll-rtd-theme v2.0.10"> <meta property="og:title" content="Feature labels · Node Feature Discovery"> <meta property="og:description" content="Feature labels Table of contents Built-in labels CPU Kernel Memory Network PCI USB Storage System Custom User defined labels Extended resources Fea..."> <meta property="og:locale" content="en"> <meta property="og:url" content="https://kubernetes-sigs.github.com/node-feature-discovery/v0.13/usage/features.html"> <meta property="og:type" content="article"> <meta property="article:author" content="Kubernetes SIGs"> <meta property="article:published_time" content="2016-07-23T00:07:52-05:00"> <meta property="article:modified_time" content="2023-05-31T07:21:05-05:00"> <script type="application/ld+json"> { "@context": "https://schema.org", "@type": "Article", "mainEntityOfPage": { "@type": "WebPage", "@id": "https://kubernetes-sigs.github.com/node-feature-discovery/v0.13/usage/features.html" }, "headline": "Feature labels · Node Feature Discovery", "image": [], "author": { "@type": "Person", "name": "Kubernetes SIGs" }, "datePublished": "2016-07-23T00:07:52-05:00", "dateModified": "2023-05-31T07:21:05-05:00", "publisher": { "@type": "Organization", "name": "Kubernetes SIGs", "logo": { "@type": "ImageObject", "url": "https://avatars.githubusercontent.com/u/36015203?v=4" } }, "description": "Feature labels Table of contents Built-in labels CPU Kernel Memory Network PCI USB Storage System Custom User defined labels Extended resources Fea..." } </script> <link rel="dns-prefetch" href="https://cdn.jsdelivr.net"><link rel="next" href="https://kubernetes-sigs.github.com/node-feature-discovery/v0.13/usage/using-labels.html"><link rel="canonical" href="https://kubernetes-sigs.github.com/node-feature-discovery/v0.13/usage/features.html"><link rel="icon" type="image/svg+xml" href="/node-feature-discovery/v0.13/assets/images/favicon.svg"><link rel="icon" type="image/png" href="/node-feature-discovery/v0.13/assets/images/favicon-16x16.png" sizes="16x16"> <link rel="icon" type="image/png" href="/node-feature-discovery/v0.13/assets/images/favicon-32x32.png" sizes="32x32"> <link rel="icon" type="image/png" href="/node-feature-discovery/v0.13/assets/images/favicon-96x96.png" sizes="96x96"><link rel="mask-icon" href="/node-feature-discovery/v0.13/assets/images/favicon.svg" color="#2980b9"><link rel="apple-touch-icon" href="/node-feature-discovery/v0.13/assets/images/apple-touch-icon-300x300.jpg"> <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/rundocs/jekyll-rtd-theme@2.0.10/assets/css/theme.min.css"><style>@media (min-width: 1280px){.content-wrap{max-width:1200px}}</style><script> window.ui = { title: "Node Feature Discovery", baseurl: "/node-feature-discovery/v0.13", i18n: { search_results: "Search Results", search_results_found: "Search finished, found # page(s) matching the search query.", search_results_not_found: "Your search did not match any documents, ple
</code></pre> </div></div> <blockquote> <p>NOTE: Consecutive runs of nfd-worker will update the labels on a given node. If features are not discovered on a consecutive run, the corresponding label will be removed. This includes any restrictions placed on the consecutive run, such as restricting discovered features with the <a href="/node-feature-discovery/v0.13/reference/master-commandline-reference.html#-label-whitelist"><code class="language-plaintext highlighter-rouge notranslate">-label-whitelist</code></a> flag of nfd-master or <a href="/node-feature-discovery/v0.13/reference/worker-configuration-reference.html#corelabelwhitelist"><code class="language-plaintext highlighter-rouge notranslate">core.labelWhiteList</code></a> option of nfd-worker.</p> </blockquote> <h3 id="cpu">CPU</h3> <table> <thead> <tr> <th>Feature name</th> <th>Value</th> <th>Description</th> </tr> </thead> <tbody> <tr> <td><strong><code class="language-plaintext highlighter-rouge notranslate">cpu-cpuid.&lt;cpuid-flag&gt;</code></strong></td> <td>true</td> <td>CPU capability is supported. <strong>NOTE:</strong> the capability might be supported but not enabled.</td> </tr> <tr> <td><strong><code class="language-plaintext highlighter-rouge notranslate">cpu-hardware_multithreading</code></strong></td> <td>true</td> <td>Hardware multithreading, such as Intel HTT, enabled (number of logical CPUs is greater than physical CPUs)</td> </tr> <tr> <td><strong><code class="language-plaintext highlighter-rouge notranslate">cpu-coprocessor.nx_gzip</code></strong></td> <td>true</td> <td>Nest Accelerator for GZIP is supported(Power).</td> </tr> <tr> <td><strong><code class="language-plaintext highlighter-rouge notranslate">cpu-power.sst_bf.enabled</code></strong></td> <td>true</td> <td>Intel SST-BF (<a href="https://www.intel.com/content/www/us/en/architecture-and-technology/speed-select-technology-article.html">Intel Speed Select Technology</a> - Base frequency) enabled</td> </tr> <tr> <td><strong><code class="language-plaintext highlighter-rouge notranslate">cpu-pstate.status</code></strong></td> <td>string</td> <td>The status of the <a href="https://www.kernel.org/doc/Documentation/cpu-freq/intel-pstate.txt">Intel pstate</a> driver when in use and enabled, either active' or passive'.</td> </tr> <tr> <td><strong><code class="language-plaintext highlighter-rouge notranslate">cpu-pstate.turbo</code></strong></td> <td>bool</td> <td>Set to true' if turbo frequencies are enabled in Intel pstate driver, set to false' if they have been disabled.</td> </tr> <tr> <td><strong><code class="language-plaintext highlighter-rouge notranslate">cpu-pstate.scaling_governor</code></strong></td> <td>string</td> <td>The value of the Intel pstate scaling_governor when in use, either powersave' or performance'.</td> </tr> <tr> <td><strong><code class="language-plaintext highlighter-rouge notranslate">cpu-cstate.enabled</code></strong></td> <td>bool</td> <td>Set to true' if cstates are set in the intel_idle driver, otherwise set to false'. Unset if intel_idle cpuidle driver is not active.</td> </tr> <tr> <td><strong><code class="language-plaintext highlighter-rouge notranslate">cpu-rdt.&lt;rdt-flag&gt;</code></strong></td> <td>true</td> <td><strong>DEPRECATED</strong> <a href="http://www.intel.com/content/www/us/en/architecture-and-technology/resource-director-technology.html">Intel RDT</a> capability is supported. See <a href="/node-feature-discovery/v0.13/usage/customization-guide.html#intel-rdt-flags">RDT flags</a> for details.</td> </tr> <tr> <td><strong><code class="language-plaintext highlighter-rouge notranslate">cpu-security.sgx.enabled</code></strong></td> <td>true</td> <td>Set to true' if Intel SGX is enabled in BIOS (based on a non-zero sum value of SGX EPC section sizes).</td> </tr> <tr> <td><strong><code class="language-plaintext highlighter-rouge notranslate">cpu-security.se.enabled</code></strong></td> <td>true</td> <td>Set to true' if IBM Secure Execution for Linux (IBM Z &amp; LinuxONE) is available and enabled (requires <code class="la
feature.node.kubernetes.io/my_source-my.feature: &lt;label value&gt;
</code></pre> </div></div> <!-- Links --> </div> </div> <div class="navigation-bottom d-flex flex-justify-between py-3" role="navigation" aria-label="footer navigation"> <div class="prev"></div> <div class="next"><a href="/node-feature-discovery/v0.13/usage/using-labels.html" class="btn" title="Using node labels" accesskey="n" rel="next"> Next <i class="fa fa-arrow-circle-right"></i> </a></div> </div><hr> <div class="copyright text-center text-gray" role="contentinfo"> <i class="fa fa-copyright"></i> <span class="time">2016-2023,</span> <a class="text-gray" href="https://github.com/kubernetes-sigs" rel="noreferrer" target="_blank">Kubernetes SIGs</a> Revision <a class="text-gray" href="https://github.com/kubernetes-sigs/node-feature-discovery/commit/" title="" rel="noreferrer" target="_blank"></a> <br> <div class="generator"> Built with <a href="https://pages.github.com" rel="noreferrer" target="_blank" title="github-pages v227">GitHub Pages</a> using a <a href="https://github.com/rundocs/jekyll-rtd-theme" rel="noreferrer" target="_blank" title="rundocs/jekyll-rtd-theme v2.0.10">theme</a> provided by <a href="https://rundocs.io" rel="noreferrer" target="_blank">RunDocs</a>. </div> </div> </div> </div> <div class="addons-wrap d-flex flex-column overflow-y-auto"> <div class="status d-flex flex-justify-between p-2"> <div class="title p-1"> <i class="fa fa-book"></i> Node Feature Discovery </div> <div class="branch p-1"> <span class="name"> v0.13 </span> <i class="fa fa-caret-down"></i> </div> </div> <div class="addons d-flex flex-column height-full p-2 d-none"> <dl id="versions"> <dt>Versions</dt> <script src="/node-feature-discovery/versions.js"></script> <script> var dt = document.getElementById('versions'); var items = getVersionListItems(); for (var i=0; i < items.length; i++) { var dd = document.createElement('dd'); var a = dd.appendChild(document.createElement('a')); a.appendChild(document.createTextNode(items[i].name)); a.href = items[i].url; dt.appendChild(dd); } </script> </dl> <dl> <dt>GitHub</dt> <dd> <a href="https://github.com/kubernetes-sigs/node-feature-discovery" title="Stars: 572"> <i class="fa fa-github"></i> Homepage </a> </dd> <dd> <a href="https://github.com/kubernetes-sigs/node-feature-discovery/issues" title="Open issues: 30"> <i class="fa fa-question-circle-o"></i> Issues </a> </dd> <dd> <a href="https://github.com/kubernetes-sigs/node-feature-discovery/zipball/gh-pages" title="Size: 90490 Kb"> <i class="fa fa-download"></i> Download </a> </dd> </dl> <hr> <div class="license f6 pb-2"> This <a href="/node-feature-discovery/v0.13/" title="Node Feature Discovery">Software</a> is under the terms of <a href="https://github.com/kubernetes-sigs/node-feature-discovery">Apache License 2.0</a>. </div> </div> </div> <script src="https://cdn.jsdelivr.net/gh/rundocs/jekyll-rtd-theme@2.0.10/assets/js/jquery.min.js"></script><script src="https://cdn.jsdelivr.net/gh/rundocs/jekyll-rtd-theme@2.0.10/assets/js/theme.min.js"></script> </body> </html>