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<b>3.0.0</b> 版的文档，现已不再积极维护。</div><div class="margin-top--md">最新的文档请参阅 <b><a href="/cocos-enhance-kit/docs/user-guide/profiler/profiler-features">最新版本</a></b> (<!-- -->3.1.0<!-- -->)。</div></div><div class="docItemContainer_vinB"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Xlws" aria-label="页面路径"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="主页面" class="breadcrumbs__link" href="/cocos-enhance-kit/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_kU5B"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">使用指南</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/cocos-enhance-kit/docs/3.0.0/user-guide/profiler/profiler-intro"><span itemprop="name">Profiler</span></a><meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">新性能指标</span><meta itemprop="position" content="3"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">版本：3.0.0</span><div class="theme-doc-markdown markdown"><h1>新性能指标</h1><p>通过宏启用后，如下图所示：</p><p><img loading="lazy" alt="demo6" src="/cocos-enhance-kit/assets/images/demo6-56d57634201f968039d2b7a3d76a8269.png" width="350" height="152" class="img_E7b_"></p><p>会新增以下几个非常有用的指标：</p><p><strong>Label Canvas（Label 组件的 Canvas 数量）</strong></p><ul><li>指标：(用量) / (总量)</li><li>用量：指正在使用的 Canvas 对象数量，一般每个非 CHAR 模式的 Label 都会使用一个 Canvas 对象，直到被销毁。</li><li>总量：指引擎内部维护的 Canvas 池中 Canvas 对象的总数量。</li></ul><p><strong>Char Atlas（Char 字符图集使用情况）</strong></p><ul><li>指标：(用量) / (缓存数量) / (总量)</li><li>用量：指正在占用的像素数量，注意这是通过每块区域的像素占比进行估算得出，会存在小数点，比如 2.8 则表示占用了 2.8 张图集大小。</li><li>缓存数量：计算方式与用量相同，但包括无引用的字符区域，这意味着随时可能被释放。</li><li>总量：指引擎已创建的字符图集数量。</li></ul><p><strong>Dynamic Atlas（动态图集使用情况）</strong></p><ul><li>指标：(用量) / (当前数量) / (最大数量)</li><li>用量：指正在占用的像素数量，注意这是通过每块区域的像素占比进行估算得出，会存在小数点，比如 2.8 则表示占用了 2.8 张图集大小。</li><li>当前数量：指引擎已创建的字符图集数量。</li><li>最大数量：指当前设置的 <code>maxAtlasCount</code> 值。</li></ul></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="文档分页导航"><a class="pagination-nav__link pagination-nav__link--prev" href="/cocos-enhance-kit/docs/3.0.0/user-guide/profiler/profiler-intro"><div class="pagination-nav__sublabel">上一页</div><div class="pagination-nav__label">Profiler</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/cocos-enhance-kit/docs/3.0.0/breaking-change"><div class="pagination-nav__sublabel">下一页</div><div 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