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<body for="html-export" id="body" style="margin: 0">
<div class="smartperf smartperf-preview" style="min-height: 99vh">
<h1 class="mume-header fontColor">Frame timeline抓取和展示说明</h1>
<p class="fontColor">抓取和展示卡顿丢帧检测的数据。</p>
<h2 class="mume-header fontColor">Frame timeline的抓取</h2>
<h3 class="mume-header fontColor" id="header-index-1">Frame timeline抓取界面配置说明</h3>
<p class="fontColor">
打开Frame timeline开关抓取Frametimeline数据。
<br />
<img src="../figures/Frame/frameset.jpg" alt="GitHub Logo" />
</p>
<h3 class="mume-header fontColor" id="header-index-2">Frame timeline文件的抓取</h3>
<p class="fontColor">
点击Record setting，在output file path输入文件名hiprofiler_dataframe.htrace，拖动滚动条设置buffer
size大小是64MB，抓取时长是50s。
<br />
<img src="../figures/Frame/framesetting.jpg" alt="GitHub Logo" />
<br />
点击Trace command，就会根据上面的配置生成抓取命令，点击Record抓取，抓取过程中会显示抓取时长。
<br />
<img src="../figures/Frame/frameexcuting.jpg" alt="GitHub Logo" />
</p>
<h2 class="mume-header fontColor">Frame timeline功能介绍</h2>
<p class="fontColor">将抓取的文件导入到smartperf工具查看。</p>
<h3 class="mume-header fontColor" id="header-index-3">Frame timeline泳道图展示</h3>
<p class="fontColor">
Frame timeline展开就可以看到泳道图，泳道图上可以显示帧编号。
<br />
<img src="../figures/Frame/framechart.jpg" alt="GitHub Logo" />
</p>
<ul class="fontColor">
<li>
<pre class="smartperf-text fontColor light">
Expected Timeline：理想帧泳道图。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Actual Timeline：真实帧泳道图。
</pre
>
</li>
</ul>
<h3 class="mume-header fontColor" id="header-index-4">Frame timeline泳道图的框选功能</h3>
<p class="fontColor">
可以对真实帧数据进行框选，框选后在最下方的弹出层中会展示框选数据的统计表格。
<br />
Frames的Tab页如图：
<br />
<img src="../figures/Frame/frameprocess.jpg" alt="GitHub Logo" />
</p>
<ul class="fontColor">
<li>
<pre class="smartperf-text fontColor light">
Jank Type：卡顿类型。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Min duration：最小持续时间。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Max duration：最大持续时间。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Mean duration：平均持续时间。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Occurrences：事件数。
</pre
>
</li>
</ul>
<h3 class="mume-header fontColor" id="header-index-5">Frame timeline泳道图的点选功能</h3>
<p class="fontColor">
通过点选理想帧和真实帧展示Tab页(Current Selection)。
<br />
理想帧Tab页如下图：
<br />
<img src="../figures/Frame/frameexpectedtab.jpg" alt="GitHub Logo" />
</p>
<ul class="fontColor">
<li>
<pre class="smartperf-text fontColor light">
Name：帧编号。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
StartTime：启动时间。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Absolute Time：绝对时间。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Duration：持续时间。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Process：进程名。
</pre
>
</li>
</ul>
<p class="fontColor">
真实帧Tab页如下图：
<br />
<img src="../figures/Frame/frameactualtab.jpg" alt="GitHub Logo" />
</p>
<ul class="fontColor">
<li>
<pre class="smartperf-text fontColor light">
Name：帧编号。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
StartTime：启动时间。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Absolute Time：绝对时间。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Duration：持续时间。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Process：进程名。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Jank Type：卡顿类型。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Gpu Duration：GPU耗时。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
FrameTimeLine flows：显示的是绘制一帧的完整过程, 由两个阶段组成应用的提交一帧。
</pre
>
</li>
<li>
<pre class="smartperf-text fontColor light">
Following flows：展示真实帧包含的关联的帧，图中斜向上箭头点击会进行跳转功能直接定位到具体进程真实帧位置，点选的同时还将包含的关联帧通过线连起来，可以跨越多个进程。
</pre
>
</li>
</ul>
<p>render_server真实帧的范围展示子线程数据：</p>
<p><img src="../figures/Frame/frameRS.jpg" alt="GitHub Logo" /></p>
<p>颜色说明：</p>
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<div class="ne-td-break" contenteditable="false"></div>
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<td class="ne-td" rowspan="2" data-col="1">
<div class="ne-td-content">
<ne-p id="u2600fe51" data-lake-id="u2600fe51" ne-alignment="left">
<ne-text id="ue0735b93" ne-fontsize="16">
当RS线程期望帧的起始时间-应用线程期望帧的结束时间>=1000000ns时
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<div class="ne-td-break" contenteditable="false"></div>
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<div class="ne-td-content">
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<ne-text id="ufd444fda" ne-fontsize="16">子线程</ne-text>
<span class="ne-viewer-b-filler" ne-filler="block"><br /></span>
</ne-p>
</div>
<div class="ne-td-break" contenteditable="false"></div>
</td>
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<tr class="ne-tr">
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<div class="ne-td-content">
<ne-p id="u85be70ea" data-lake-id="u85be70ea" ne-alignment="left">
<ne-text id="uec7b18c2" ne-fontsize="16">主线程</ne-text>
<span class="ne-viewer-b-filler" ne-filler="block"><br /></span>
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</div>
<div class="ne-td-break" contenteditable="false"></div>
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<div class="ne-td-content">
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<ne-text id="u4406e057" ne-fontsize="16">期望帧的结束时间<实际帧的结束时间时</ne-text>
<span class="ne-viewer-b-filler" ne-filler="block"><br /></span>
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<ne-p id="ue5affe62" data-lake-id="ue5affe62" ne-alignment="left">
<ne-text id="u4dd35cca" ne-fontsize="16"></ne-text>
<span class="ne-viewer-b-filler" ne-filler="block"><br /></span>
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<div class="ne-td-break" contenteditable="false"></div>
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<div class="ne-td-content">
<ne-p id="ufa83efb1" data-lake-id="ufa83efb1" ne-alignment="left">
<ne-text id="u8b01285b" ne-fontsize="16">子线程</ne-text>
<span class="ne-viewer-b-filler" ne-filler="block"><br /></span>
</ne-p>
</div>
<div class="ne-td-break" contenteditable="false"></div>
</td>
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<tr class="ne-tr">
<td class="ne-td" data-col="0" style="background-color: rgb(66, 161, 77)">
<div class="ne-td-content">
<ne-p id="u67b72426" data-lake-id="u67b72426" ne-alignment="left">
<ne-text id="u760d9449" ne-fontsize="16">主线程</ne-text>
<ne-text id="ufbd786ba" ne-fontsize="16">&</ne-text>
<ne-text id="u453b7473" ne-fontsize="16">子线程</ne-text>
<span class="ne-viewer-b-filler" ne-filler="block"><br /></span>
</ne-p>
</div>
<div class="ne-td-break" contenteditable="false"></div>
</td>
<td class="ne-td" data-col="1">
<div class="ne-td-content">
<ne-p id="u1b00961a" data-lake-id="u1b00961a" ne-alignment="left">
<ne-text id="u6155ed1b" ne-fontsize="16">期望帧的结束时间</ne-text>
<ne-text id="ue3327326" ne-fontsize="16">>=</ne-text>
<ne-text id="u4e505f6a" ne-fontsize="16">实际帧的结束时间时</ne-text>
<span class="ne-viewer-b-filler" ne-filler="block"><br /></span>
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<div class="ne-td-break" contenteditable="false"></div>
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