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1<!DOCTYPE html>
2<html>
3  <head>
4    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
5    <title>quickstart_smaps</title>
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790    </style>
791  </head>
792  <body for="html-export" id="body">
793    <div class="smartperf smartperf-preview">
794      <h1 class="mume-header fontColor">进程smaps的抓取和展示说明</h1>
795
796      <p class="fontColor">smaps展示了一个进程的内存消耗。</p>
797      <h2 class="mume-header fontColor">smaps的抓取</h2>
798
799      <h3 class="mume-header fontColor">smaps抓取配置参数</h3>
800
801      <p class="fontColor">
802        <img src="../figures/smaps/smapssetting.jpg" alt="GitHub Logo" /><br />
803        配置项说明：
804      </p>
805      <ul class="fontColor">
806        <li>
807          <pre class="smartperf-text fontColor light">
808Start VM Tracker Record：配置项的总开关。
809</pre
810          >
811        </li>
812        <li>
813          <pre class="smartperf-text fontColor light">
814Process：smaps的抓取只能选择单进程抓取。
815</pre
816          >
817        </li>
818      </ul>
819      <p class="fontColor">
820        再点击Record setting，在output file path输入文件名hiprofiler_data_smaps.htrace，拖动滚动条设置buffer
821        size大小是64M，抓取时长是50s。<br />
822        <img src="../figures/smaps/smapsrecord.jpg" alt="GitHub Logo" /><br />
823        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 />
824        <img src="../figures/smaps/smapsexcuting.jpg" alt="GitHub Logo" />
825      </p>
826      <h3 class="mume-header fontColor">smaps展示说明</h3>
827
828      <p class="fontColor">
829        抓取结束后smaps的trace会自动加载展示。<br />
830        <img src="../figures/smaps/smapssummary.jpg" alt="GitHub Logo" />
831      </p>
832      <p class="fontColor">界面布局介绍：smaps整体界面布局分为3个部分：</p>
833      <ul class="fontColor">
834        <li>
835          <pre class="smartperf-text fontColor light">
836红色区域：泳道图。
837</pre
838          >
839        </li>
840        <li>
841          <pre class="smartperf-text fontColor light">
842绿色区域：详细信息。
843</pre
844          >
845        </li>
846      </ul>
847      <h3 class="mume-header fontColor">smaps泳道图展示</h3>
848
849      <p class="fontColor">
850        smaps泳道图展示当前时刻该进程的内存消耗。<br />
851        <img src="../figures/smaps/smapschart.jpg" alt="GitHub Logo" />
852      </p>
853      <h3 class="mume-header fontColor">smaps泳道图的框选功能</h3>
854
855      <p class="fontColor">
856        可以对泳道图进行框选，框选后在最下方的弹出层中会展示框选数据的统计表格，总共有两个个tab页。<br />
857        VM Tracker Statistics的Tab页如图：<br />
858        <img src="../figures/smaps/smapsstatistics.jpg" alt="GitHub Logo" />
859      </p>
860      <ul class="fontColor">
861        <li>
862          <pre class="smartperf-text fontColor light">
863Type： 将抓取到的信息根据Type归类，分四类，Data，Text，Const，Other。
864</pre
865          >
866        </li>
867        <li>
868          <pre class="smartperf-text fontColor light">
869% of Res： 每行的Resident Size 占总Ressident Size的比例。
870</pre
871          >
872        </li>
873        <li>
874          <pre class="smartperf-text fontColor light">
875#Reg：统计的类型个数。
876</pre
877          >
878        </li>
879        <li>
880          <pre class="smartperf-text fontColor light">
881Path：虚拟内存块路径，类型中有多个则显示multiple。
882</pre
883          >
884        </li>
885        <li>
886          <pre class="smartperf-text fontColor light">
887Resident Size： smaps节点中Rss(Shared_Clean+Shared_Dirty+Private_Clean+Private_Dirty)。
888</pre
889          >
890        </li>
891        <li>
892          <pre class="smartperf-text fontColor light">
893Dirty Size：smaps节点中Shared_Dirty + Private_Dirty。
894</pre
895          >
896        </li>
897        <li>
898          <pre class="smartperf-text fontColor light">
899Swapped： smaps节点中Swap + SwapPss。
900</pre
901          >
902        </li>
903        <li>
904          <pre class="smartperf-text fontColor light">
905Virtual Size：smaps节点中Size。
906</pre
907          >
908        </li>
909        <li>
910          <pre class="smartperf-text fontColor light">
911Pss： smaps节点中Pss。
912</pre
913          >
914        </li>
915        <li>
916          <pre class="smartperf-text fontColor light">
917Res. %：Resident Size / Virtual Size 比值。
918</pre
919          >
920        </li>
921      </ul>
922      <p class="fontColor">
923        VM Tracker Record List的Tab页如图：<br />
924        <img src="../figures/smaps/smapslist.jpg" alt="GitHub Logo" />
925      </p>
926      <ul class="fontColor">
927        <li>
928          <pre class="smartperf-text fontColor light">
929Type： 将抓取到的信息根据Type归类，Data，Text，Const，Other。
930</pre
931          >
932        </li>
933        <li>
934          <pre class="smartperf-text fontColor light">
935Address Range： 每段虚拟内存段的开始和结束位置。
936</pre
937          >
938        </li>
939        <li>
940          <pre class="smartperf-text fontColor light">
941Dirty Size：smaps节点中Shared_Dirty + Private_Dirty。
942</pre
943          >
944        </li>
945        <li>
946          <pre class="smartperf-text fontColor light">
947Swapper： smaps节点中Swap + SwapPss。
948</pre
949          >
950        </li>
951        <li>
952          <pre class="smartperf-text fontColor light">
953Resident Size：smaps节点中Rss(Shared_Clean+Shared_Dirty+Private_Clean+Private_Dirty)。
954</pre
955          >
956        </li>
957        <li>
958          <pre class="smartperf-text fontColor light">
959Virtual Size：smaps节点中Size。
960</pre
961          >
962        </li>
963        <li>
964          <pre class="smartperf-text fontColor light">
965Pss：smaps节点中Pss。
966</pre
967          >
968        </li>
969        <li>
970          <pre class="smartperf-text fontColor light">
971Reside： Rss / Size 比值。
972</pre
973          >
974        </li>
975        <li>
976          <pre class="smartperf-text fontColor light">
977Protection： 内存块的权限(读写执行执行)。
978</pre
979          >
980        </li>
981        <li>
982          <pre class="smartperf-text fontColor light">
983Path： 内存段路径。
984</pre
985          >
986        </li>
987      </ul>
988    </div>
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