src/doc/quickstart_parsing_ability.html

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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">Trace解析能力增强</h1>

      <p class="fontColor">Trace解析能力增强主要是提高Trace的解析能力。</p>
      <h3 class="mume-header fontColor" id="header-index-1">焦点问题trace切割，选择焦点trace，聚焦问题发生时间范围，单独打开</h3>

      <p class="fontColor">
        焦点问题切割是将现有的trace加载到界面时，对指定时间进行框选，截取框选时间范围内的trace数据通过跳转的方式去打开新的trace界面，新界面的trace数据就是按照这段时间范围去切割的。如下图框选一段时间范围，点击右上方的小剪刀图标对框选时间范围数据进行剪切。
        <br />
        <img src="../figures/parsingability/cuttrace_bytime.jpg" alt="GitHub Logo" />
      </p>
      <h3 class="mume-header fontColor" id="header-index-2">超大trace分段打开，超大trace按照固定大小切割，分段打开显示</h3>

      <p class="fontColor">
        超大trace分段打开是对现有配置抓取的同一种时钟源数据源的。也就是配置命令下发的抓取有效。Htrace数据按照端侧切割的大小分成多个文件，并将不能切割的hiperf、ebpf、arkts的数据单独存储。IDE通过将这几种源文件数据存储在IndexedDB，并调用trace
        streamer去进行切割数据，并在IDE侧过滤筛选出切割的数据进行展示。
      </p>
      <h4 class="mume-header fontColor">超大trace浏览器用户数据目录配置说明</h4>

      <p class="fontColor">
        由于大文件切割的数据是保存在浏览器的IndexedDb中，默认存储在系统盘，所以需要修改用户目录数据存放位置。
      </p>
      <h5 class="mume-header fontColor">
        找到浏览器的exe执行文件位置(或者浏览器exe的快捷方式位置)， 在cmd窗口执行以下命令(edge浏览器)
      </h5>

      <pre class="smartperf-text fontColor light">
D:\deskTop\msedge.exe.lnk --user-data-dir=D:\Edgedata
	D:\deskTop\msedge.exe.lnk    浏览器的exe执行文件位置(或者浏览器exe的快捷方式位置)
	--user-data-dir=D:\Edgedata   指定用户目录数据位置，本地除系统盘外的位置都可以，内存尽量大一点
</pre
      >
      <h5 class="mume-header fontColor">浏览器exe或者exe快捷方式目录和名称不能有带空格</h5>

      <pre class="smartperf-text fontColor light">
错误：D:\desk Top\Microsoft Edge.exe.lnk --user-data-dir=D:\Edgedata
正确：D:\deskTop\MicrosoftEdge.exe.lnk --user-data-dir=D:\Edgedata
</pre
      >
      <h5 class="mume-header fontColor">配置完成后, 查看【用户配置路径】是否是配置的路径</h5>

      <pre class="smartperf-text fontColor light">
edge浏览器:     edge://version/
</pre
      >
      <h4 class="mume-header fontColor">超大trace抓取配置说明</h4>

      <p class="fontColor"><img src="../figures/parsingability/bigtracerecord.jpg" alt="GitHub Logo" /></p>
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
Long Trace Mode： 超大trace抓取模式。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Single file max size： trace文件分割的大小。
</pre
          >
        </li>
      </ul>
      <h4 class="mume-header fontColor">本地导入超大trace</h4>

      <p class="fontColor">
        本地导入超大trace是导入文件夹，将该文件夹中所有文件导入。如下图从Open long trace file入口导入。
        <br />
        <img src="../figures/parsingability/longtraceload.jpg" alt="GitHub Logo" />
        <br />
        本地导入以后，点击右上方的切页图标可以切页。
        <br />
        <img src="../figures/parsingability/longtraceswitch.jpg" alt="GitHub Logo" />
      </p>
      <h3 class="mume-header fontColor" id="header-index-3">web端支持已打开的trace文件转换成systrace，并可下载</h3>

      <p class="fontColor">
        已打开的trace界面，增加convert to systrace按钮，支持将htrace和row trace转为systrace。
        <br />
        <img src="../figures/parsingability/traceconvert.jpg" alt="GitHub Logo" />
      </p>
      <h3 class="mume-header fontColor" id="header-index-4">
        tracestreamer离线执行sql和metrics语句，对标trace_processor_shell –q和—run-metrics
      </h3>

      <p class="fontColor">
        trace_streamer_shell
        –q可以直接将sql查询结果显示在命令行里，如下图bytrace.ftrace是需要解析的文件，a.txt是sql语句。
        <br />
        <img src="../figures/parsingability/tracestreamer_q.jpg" alt="GitHub Logo" />
        <br />
        trace_streamer_shell
        –m可以直接将metric接口的查询结果显示在命令行里，如下图bytrace.ftrace是需要解析的文件，trace_stats是metric接口名。
        <br />
        <img src="../figures/parsingability/tsmetric.jpg" alt="GitHub Logo" />
      </p>

      <h3 class="mume-header fontColor" id="header-index-5">
        Hangs抓取和展示说明
      </h3>
      <p class="fontColor">
        挂起（hang）是离散用户交互中的明显延迟，并且它几乎总是主线程上长时间运行工作的结果。
        仅当主线程在大约 50 毫秒到 100 毫秒或更长时间内无响应时，离散交互延迟才会开始变得明显。
      </p>
      <h4 class="mume-header fontColor">Hangs的抓取</h4>
      <h4 class="mume-header fontColor">Hangs抓取配置参数</h4>
      <p class="fontColor">
        进入Probes config页面，打开Record mode开关，勾选notification可以抓取Hangs数据（此选项为默认勾选）。
      </p>
      <br />
      <img src="../figures/parsingability/hangsrecord.jpg" alt="GitHub Logo" />
      <p class="fontColor">
        解析时需要打开Flags页面的Hangs Detection开关(Disabled切换为Enabled)。
      </p>
      <br />
      <img src="../figures/parsingability/hangsdetection.jpg" alt="GitHub Logo" />
      <h4 class="mume-header fontColor">Hangs展示说明</h4>
      <p class="fontColor">
        将抓取的trace文件导入到smartperf工具中，查看挂起的情况。
      </p>
      <h4 class="mume-header fontColor">泳道图展示</h4>
      <img src="../figures/parsingability/hangstrace.jpg" alt="GitHub Logo" />
      <h4 class="mume-header fontColor">类型说明</h4>
      <img src="../figures/parsingability/hangsttype.jpg" alt="GitHub Logo" />
      <p class="fontColor">
        点击Hangs Detection开关下的选项可以选择展示的不同类型。
      </p>
      <p class="fontColor">
        根据duration大小将hang划分为4个type，即Instant、Circumstantial、Micro、Severe。4个type分别对应时长为
        33ms&lt;d&lt;100ms、100ms&le;d&lt;250ms、250ms&le;d&lt;500ms、500ms&le;d。
      </p>
      <p class="fontColor">
        颜色按type由浅及深：Instant蓝色、Circumstantial黄色、Micro橙色、Severe红色。
      </p>
      <p class="fontColor">
        选择不同类型展示出的泳道会不一样： 选择Instant会显示Instant、Circumstantial、Micro、Severe，如图一；
        选择Circumstantial则显示Circumstantial、Micro、Severe，如图二，以此类推。
      </p>
      <img src="../figures/parsingability/Instant.jpg" alt="GitHub Logo" />
      <p class="fontColor">
        图一
      </p>
      <img src="../figures/parsingability/Circumstantial.jpg" alt="GitHub Logo" />
      <p class="fontColor">
        图二
      </p>
      <h4 class="mume-header fontColor">Hangs泳道图的点选功能</h4>
      <p class="fontColor">
        可以对hangs的各个slice进行点选，点选后在最下方的弹出层中会展示点选数据的统计的tab页。点击Hang type右侧蓝色箭头，会跳转到该hang对应的trace点。
      </p>
      <img src="../figures/parsingability/hangdetails.jpg" alt="GitHub Logo" />
      <br />
      <img src="../figures/parsingability/hangname.jpg" alt="GitHub Logo" />
      <p class="fontColor">
        Trace点的name依次对应tab页的Sender tid、Send time、Expect handle time、Task name/ID、Prio、Sender。
      </p>
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
StartTime(Relative)：开始时间（相对时间）。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
StartTime(Absolute)：开始时间（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">
Hang Type：挂起类型。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Sender tid：发送event的线程ID。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Send time：事件发送时间。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Expect handle time：期望事件开始时间。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Task name/Id：事件名/事件ID。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Prio：优先级。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Sender：发送者。
</pre>
        </li>
      </ul>
      <h4 class="mume-header fontColor">Hangs泳道图的框选功能</h4>
      <p class="fontColor">
        框选Hangs的泳道图，展示Hangs的tab页，右侧第一个下拉框可以选择类型，也能根据process ，sender去搜索。
      </p>
      <img src="../figures/parsingability/hangstab.jpg" alt="GitHub Logo" />
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
StartTime：开始时间。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Duration：持续时间。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Hang Type：挂起类型。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Process：进程名。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Sender tid：发送event的线程ID。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Send time：事件发送时间。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Expect handle time：期望事件开始时间。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Task name/Id：事件名/事件ID。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Prio：优先级。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Sender：发送者。
</pre>
        </li>
      </ul>
      <p class="fontColor">
        框选Hangs的泳道图，展示Summary的tab页。
      </p>
      <img src="../figures/parsingability/Summary.jpg" alt="GitHub Logo" />
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
Type/Process/Hang：根据类型显示挂起情况。
</pre>
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
Count：各类型的数量。
</pre>
        </li>
      </ul>
      <h4 class="mume-header fontColor">Hangs归一化泳道</h4>
      <p class="fontColor">
        为了方便查看hangs数据，对不同进程下的hangs泳道进行了归一化处理
      </p>
      <img src="../figures/parsingability/normalization.jpg" alt="GitHub Logo" />
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