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781  </head>
782  <body for="html-export" id="body" style="margin:0">
783    <div class="smartperf smartperf-preview" style="min-height: 99vh;">
784      <h1 class="mume-header fontColor">Cpuprofiler抓取和展示说明</h1>
785
786      <p class="fontColor">Cpuprofiler模板帮助ArkTs开发和测试分析虚拟机层执行开销大问题，提供Ts层耗时长函数和阶段。</p>
787      <h2 class="mume-header fontColor">Cpuprofiler的抓取</h2>
788
789      <h4 class="mume-header fontColor" id="header-index-1">Cpuprofiler的抓取配置参数</h4>
790
791      <p class="fontColor">
792        打开Start Ark Ts Record总开关下面的Start cpu profiler开关抓取Cpuprofiler数据。
793        <br />
794        <img src="../figures/arkts/cpuprofilerconfig.jpg" alt="GitHub Logo" />
795      </p>
796      <h3 class="mume-header fontColor" id="header-index-2">Cpuprofiler展示说明</h3>
797
798      <p class="fontColor">
799        将抓取的Cpuprofiler文件导入到SmartPerf中，查看Ts层耗时长的函数和阶段。
800        <br />
801        <img src="../figures/arkts/cpuprofilerrow.jpg" alt="GitHub Logo" />
802      </p>
803      <h3 class="mume-header fontColor" id="header-index-3">Cpuprofiler的泳道图悬浮显示</h3>
804
805      <p class="fontColor">
806        鼠标放到泳道图的Slice上会有悬浮框显示。
807        <br />
808        <img src="../figures/arkts/cpuprofilertip.jpg" alt="GitHub Logo" />
809      </p>
810      <ul class="fontColor">
811        <li>
812          <pre class="smartperf-text fontColor light">
813Name : 函数名。
814</pre
815          >
816        </li>
817        <li>
818          <pre class="smartperf-text fontColor light">
819Self Time: 函数自身执行时间(不包含其调用者)。
820</pre
821          >
822        </li>
823        <li>
824          <pre class="smartperf-text fontColor light">
825Total Time : 函数自身及调用者的调用时间总和。
826</pre
827          >
828        </li>
829        <li>
830          <pre class="smartperf-text fontColor light">
831Url : 函数所在的文件名称。
832</pre
833          >
834        </li>
835      </ul>
836      <h3 class="mume-header fontColor" id="header-index-4">Cpuprofiler泳道图的点选和框选功能</h3>
837
838      <p class="fontColor">
839        点选或者框选泳道图上函数名的Slice，会显示Js Profiler Statistics，Js Profiler CallTree，Js Profiler
840        BottomUp的Tab页信息。
841        <br />
842        Js Profiler Statistics的Tab页显示数据的维度信息，以饼图和Table表的方式展示，如下图：
843        <br />
844        <img src="../figures/arkts/cpuprofilerselects.jpg" alt="GitHub Logo" />
845        <br />
846        <img src="../figures/arkts/cpuprofilerdrags.jpg" alt="GitHub Logo" />
847      </p>
848      <ul class="fontColor">
849        <li>
850          <pre class="smartperf-text fontColor light">
851Type : 维度名称，有九大维度(NAPI、ARKUI_ENGINE、BUTLTIN、GC、AINT、CINT、AOT、RUNTIME、OTHER）。
852</pre
853          >
854        </li>
855        <li>
856          <pre class="smartperf-text fontColor light">
857Total : 时间。
858</pre
859          >
860        </li>
861        <li>
862          <pre class="smartperf-text fontColor light">
863% : 时间占比。
864</pre
865          >
866        </li>
867      </ul>
868      <p class="fontColor">
869        Js Profiler CallTree的Tab页把name，url，depth，parent相同的函数合并，构建成一个top
870        down的树结构，以树形表格的形式显示，表格中显示函数调用关系，如下图：
871        <br />
872        <img src="../figures/arkts/cpuprofilerselectc.jpg" alt="GitHub Logo" />
873        <br />
874        <img src="../figures/arkts/cpuprofilerdragc.jpg" alt="GitHub Logo" />
875      </p>
876      <ul class="fontColor">
877        <li>
878          <pre class="smartperf-text fontColor light">
879Symbol : 函数名。
880</pre
881          >
882        </li>
883        <li>
884          <pre class="smartperf-text fontColor light">
885Self Time: 函数自身执行时间(不包含其调用者)。
886</pre
887          >
888        </li>
889        <li>
890          <pre class="smartperf-text fontColor light">
891Total Time : 函数自身及调用者的调用时间总和。
892</pre
893          >
894        </li>
895      </ul>
896      <p class="fontColor">
897        Js Profiler BottomUp的Tab页把name，url，depth，parent相同的函数合并，构建成一个bottom
898        up的树结构，以树形表格的形式显示，只不过作为根节点的是被调用者，表格中显示函数被调用关系，如下图：
899        <br />
900        <img src="../figures/arkts/cpuprofilerselectb.jpg" alt="GitHub Logo" />
901        <br />
902        <img src="../figures/arkts/cpuprofilerdragb.jpg" alt="GitHub Logo" />
903      </p>
904      <ul class="fontColor">
905        <li>
906          <pre class="smartperf-text fontColor light">
907Symbol : 函数名。
908</pre
909          >
910        </li>
911        <li>
912          <pre class="smartperf-text fontColor light">
913Self Time: 函数自身执行时间(不包含其调用者)。
914</pre
915          >
916        </li>
917        <li>
918          <pre class="smartperf-text fontColor light">
919Total Time : 函数自身及调用者的调用时间总和。
920</pre
921          >
922        </li>
923      </ul>
924      <h3 class="mume-header fontColor" id="header-index-5">Cpuprofiler的Heaviest Stack功能</h3>
925
926      <p class="fontColor">
927        Js Profiler CallTree的Tab页的Heaviest Stack表格显示的是选中的函数的完整的调用栈。
928        <br />
929        <img src="../figures/arkts/cpuprofilerheavic.jpg" alt="GitHub Logo" />
930        <br />
931        Js Profiler BottomUp的Tab页的Heaviest Stack表格显示的是选中的函数的完整的逆序调用栈。
932        <br />
933        <img src="../figures/arkts/cpuprofilerheavib.jpg" alt="GitHub Logo" />
934      </p>
935      <ul class="fontColor">
936        <li>
937          <pre class="smartperf-text fontColor light">
938Symbol : 函数名。
939</pre
940          >
941        </li>
942        <li>
943          <pre class="smartperf-text fontColor light">
944Total Time : 函数自身及调用者的调用时间总和。
945</pre
946          >
947        </li>
948        <li>
949          <pre class="smartperf-text fontColor light">
950% : 总时间占比。
951</pre
952          >
953        </li>
954      </ul>
955    </div>
956
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