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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">Bio的抓取和展示说明</h1>
795
796      <p class="fontColor">抓取和展示IO延迟的数据。</p>
797      <h2 class="mume-header fontColor">Bio的抓取</h2>
798
799      <h3 class="mume-header fontColor">Bio抓取配置参数</h3>
800
801      <p class="fontColor">
802        <img src="../figures/Bio/Biosetting.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 BIO Latency Record：配置项的总开关。
809</pre
810          >
811        </li>
812        <li>
813          <pre class="smartperf-text fontColor light">
814Process：默认配置的是整个系统的，也可选择单进程抓取。
815</pre
816          >
817        </li>
818        <li>
819          <pre class="smartperf-text fontColor light">
820Max Unwind Level：配置抓取调用栈的最大深度。
821</pre
822          >
823        </li>
824      </ul>
825      <p class="fontColor">
826        再点击Record setting，在output file path输入文件名hiprofiler_data_bio.htrace，拖动滚动条设置buffer
827        size大小是64M，抓取时长是50s。<br />
828        <img src="../figures/Bio/Biorecord.jpg" alt="GitHub Logo" /><br />
829        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 />
830        <img src="../figures/Bio/Bioexcuting.jpg" alt="GitHub Logo" />
831      </p>
832      <h3 class="mume-header fontColor">Bio展示说明</h3>
833
834      <p class="fontColor">
835        抓取结束后Bio的trace会自动加载展示。<br />
836        <img src="../figures/Bio/Biosummary.jpg" alt="GitHub Logo" />
837      </p>
838      <p class="fontColor">界面布局介绍：页内存整体界面布局分为3个部分：</p>
839      <ul class="fontColor">
840        <li>
841          <pre class="smartperf-text fontColor light">
842红色区域：泳道图。
843</pre
844          >
845        </li>
846        <li>
847          <pre class="smartperf-text fontColor light">
848绿色区域：详细信息。
849</pre
850          >
851        </li>
852        <li>
853          <pre class="smartperf-text fontColor light">
854黄色区域：辅助信息(Callstack)。
855</pre
856          >
857        </li>
858      </ul>
859      <h3 class="mume-header fontColor">Bio泳道图展示</h3>
860
861      <p class="fontColor">
862        Bio泳道图鼠标悬浮以10ms为区间展示该周期内最大的读或者写延迟。<br />
863        <img src="../figures/Bio/Biochart.jpg" alt="GitHub Logo" />
864      </p>
865      <h3 class="mume-header fontColor">Bio泳道图的框选功能</h3>
866
867      <p class="fontColor">
868        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，总共有三个tab页。<br />
869        Disk I/O Tier Statistics的Tab页如图：<br />
870        <img src="../figures/Bio/Biostatistics.jpg" alt="GitHub Logo" />
871      </p>
872      <ul class="fontColor">
873        <li>
874          <pre class="smartperf-text fontColor light">
875Tier/Process/Path：按照Tier，Process，Path的维度去展示。
876</pre
877          >
878        </li>
879        <li>
880          <pre class="smartperf-text fontColor light">
881Count：事件数量。
882</pre
883          >
884        </li>
885        <li>
886          <pre class="smartperf-text fontColor light">
887Total Latency：每种进程，事件的总延迟。
888</pre
889          >
890        </li>
891        <li>
892          <pre class="smartperf-text fontColor light">
893Min Total Latency：最小延迟时间。
894</pre
895          >
896        </li>
897        <li>
898          <pre class="smartperf-text fontColor light">
899Avg Total Latency：平均延迟时间。
900</pre
901          >
902        </li>
903        <li>
904          <pre class="smartperf-text fontColor light">
905Max Total Latency：最大延迟时间。
906</pre
907          >
908        </li>
909      </ul>
910      <p class="fontColor">
911        Disk I/O Latency Calltree的Tab页如图：<br />
912        <img src="../figures/Bio/BioCalltree.jpg" alt="GitHub Logo" />
913      </p>
914      <ul class="fontColor">
915        <li>
916          <pre class="smartperf-text fontColor light">
917Call Stack：为经过符号解析后的Callstack，并且给出动态链接库或者进程名的信息。
918</pre
919          >
920        </li>
921        <li>
922          <pre class="smartperf-text fontColor light">
923Local：为该调用方法自身占用的CPU时间。
924</pre
925          >
926        </li>
927        <li>
928          <pre class="smartperf-text fontColor light">
929Weight：调用方法的执行占比。
930</pre
931          >
932        </li>
933      </ul>
934      <p class="fontColor">
935        Trace Completion Times的Tab页如图：<br />
936        <img src="../figures/Bio/Biotimes.jpg" alt="GitHub Logo" />
937      </p>
938      <ul class="fontColor">
939        <li>
940          <pre class="smartperf-text fontColor light">
941Start：事件的开始时间。
942</pre
943          >
944        </li>
945        <li>
946          <pre class="smartperf-text fontColor light">
947Total Latency：事件的延迟时间。
948</pre
949          >
950        </li>
951        <li>
952          <pre class="smartperf-text fontColor light">
953Process：进程名（pid）。
954</pre
955          >
956        </li>
957        <li>
958          <pre class="smartperf-text fontColor light">
959Thread：线程名（tid）。
960</pre
961          >
962        </li>
963        <li>
964          <pre class="smartperf-text fontColor light">
965Latency per 4KB：原始数据里没有，每4k数据的延迟时间，需要根据延迟的size跟延迟的时间去计算。
966</pre
967          >
968        </li>
969        <li>
970          <pre class="smartperf-text fontColor light">
971Opration：事件类型。
972</pre
973          >
974        </li>
975        <li>
976          <pre class="smartperf-text fontColor light">
977Bytes：延迟的数据量。
978</pre
979          >
980        </li>
981        <li>
982          <pre class="smartperf-text fontColor light">
983Path：操作的文件路径。
984</pre
985          >
986        </li>
987        <li>
988          <pre class="smartperf-text fontColor light">
989Block Number：块数量。
990</pre
991          >
992        </li>
993        <li>
994          <pre class="smartperf-text fontColor light">
995Tier：层级。
996</pre
997          >
998        </li>
999        <li>
1000          <pre class="smartperf-text fontColor light">
1001BackTrace：调用栈顶部函数，并显示调用栈深度。
1002</pre
1003          >
1004        </li>
1005      </ul>
1006      <h3 class="mume-header fontColor">Bio支持多种Options展示风格</h3>
1007
1008      <p class="fontColor">
1009        点击Disk I/O Latency Calltree的Tab页底部的Options，会有两个CheckBox复选框。<br />
1010        <img src="../figures/Bio/BioOptions.jpg" alt="GitHub Logo" />
1011      </p>
1012      <ul class="fontColor">
1013        <li>
1014          <pre class="smartperf-text fontColor light">
1015Invert：反向输出调用树。
1016</pre
1017          >
1018        </li>
1019        <li>
1020          <pre class="smartperf-text fontColor light">
1021Hide System so：隐藏系统库文件  。
1022</pre
1023          >
1024        </li>
1025      </ul>
1026      <h3 class="mume-header fontColor">Bio支持过滤调用栈调用次数的展示风格</h3>
1027
1028      <p class="fontColor">
1029        点击Disk I/O Latency Calltree的Tab页底部的Sample Counter
1030        Filter，可以填上区间值。过滤出符合该区间值调用次数的调用栈信息。<br />
1031        <img src="../figures/Bio/Biocounter.jpg" alt="GitHub Logo" />
1032      </p>
1033      <h3 class="mume-header fontColor">Bio功能的调用栈Group展示-数据分析支持剪裁功能</h3>
1034
1035      <p class="fontColor"><img src="../figures/Bio/Biodatamining.jpg" alt="GitHub Logo" /></p>
1036      <ul class="fontColor">
1037        <li>
1038          <p class="fontColor">
1039            裁剪Callstack，点击Callstack上一个节点符号，再点击底部Symbol
1040            Filter按钮，则该符号自动被裁剪掉，同时将该节点往下所有的Callstack内容裁剪掉。
1041          </p>
1042        </li>
1043        <li>
1044          <p class="fontColor">裁剪Library，点击Library Filter按钮，则该库文件符号下所有的子节点也被裁剪。</p>
1045        </li>
1046        <li>
1047          <p class="fontColor">点击Reset按钮，将恢复选中的裁剪内容。</p>
1048        </li>
1049      </ul>
1050      <h3 class="mume-header fontColor">Bio功能的调用栈Group展示支持按条件过滤</h3>
1051
1052      <p class="fontColor">
1053        在Input Filter输入关键字，会显示出带有该关键字的展示信息。<br />
1054        <img src="../figures/Bio/Bioinputfilter.jpg" alt="GitHub Logo" />
1055      </p>
1056      <h3 class="mume-header fontColor">Bio辅助信息区展示调用栈</h3>
1057
1058      <p class="fontColor">
1059        当在详细信息区选择一个符号时，将展示与该符号相关的完整的调用栈。如下图的Heaviest Stack Trace：<br />
1060        <img src="../figures/Bio/Bioheaviesttrace.jpg" alt="GitHub Logo" />
1061      </p>
1062      <h3 class="mume-header fontColor">Bio的Tier的过滤</h3>
1063
1064      <p class="fontColor">
1065        通过选择根据Tier去过滤。<br />
1066        <img src="../figures/Bio/Biofilter.jpg" alt="GitHub Logo" />
1067      </p>
1068      <h3 class="mume-header fontColor">Bio的火焰图功能</h3>
1069
1070      <p class="fontColor">
1071        点击Disk I/O Latency Calltree左下角的柱状图的图标，会切换到火焰图页面。<br />
1072        <img src="../figures/Bio/Bioflame.jpg" alt="GitHub Logo" /><br />
1073        进入到火焰图页面，火焰图的展示跟Callinfo的tab页的调用栈显示一致，鼠标放到色块上，悬浮框可以显示调用栈名称和Duration时长。<br />
1074        <img src="../figures/Bio/Bioflameshow.jpg" alt="GitHub Logo" /><br />
1075        鼠标左键火焰图，会进入下一级界面，右键回到上一级。<br />
1076        <img src="../figures/Bio/Bioflamelevel.jpg" alt="GitHub Logo" />
1077      </p>
1078    </div>
1079
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