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753 } 754 755 html body[for='html-export']:not([dpm])[hsst] .md-sidebar-toc ul { 756 list-style-type: none; 757 } 758 759 html body[for='html-export']:not([dpm])[hsst] .smartperf-preview { 760 left: 301px; 761 width: calc(100% - 300px); 762 padding: 2em calc(50% - 457px - 150px); 763 margin: 1px; 764 box-sizing: border-box; 765 } 766 767 @media screen and (max-width: 1274px) { 768 html body[for='html-export']:not([dpm])[hsst] .smartperf-preview { 769 padding: 1.9em; 770 } 771 } 772 773 @media screen and (max-width: 450px) { 774 html body[for='html-export']:not([dpm])[hsst] .smartperf-preview { 775 width: 99%; 776 } 777 } 778 779 html body[for='html-export']:not([dpm]):not([hsst]) .smartperf-preview { 780 left: 50%; 781 transform: translateX(-50%); 782 } 783 784 html body[for='html-export']:not([dpm]):not([hsst]) .md-sidebar-toc { 785 display: none; 786 } 787 </style> 788 </head> 789 <body for="html-export" id="body"> 790 <div class="smartperf smartperf-preview"> 791 <h1 class="mume-header fontColor">Trace解析能力增强</h1> 792 793 <p class="fontColor">Trace解析能力增强主要是提高Trace的解析能力。</p> 794 <h3 class="mume-header fontColor">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> 795 796 <p class="fontColor"> 797 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 /> 798 <img src="../figures/parsingability/cuttrace_bytime.jpg" alt="GitHub Logo" /> 799 </p> 800 <h3 class="mume-header fontColor">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> 801 802 <p class="fontColor"> 803 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 804 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。 805 </p> 806 <h4 class="mume-header fontColor">超大trace浏览器用户数据目录配置说明</h4> 807 808 <p class="fontColor"> 809 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。 810 </p> 811 <h5 class="mume-header fontColor"> 812 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) 813 </h5> 814 815 <pre class="smartperf-text fontColor light"> 816D:\deskTop\msedge.exe.lnk --user-data-dir=D:\Edgedata 817 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) 818 --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 819</pre 820 > 821 <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> 822 823 <pre class="smartperf-text fontColor light"> 824错误:D:\desk Top\Microsoft Edge.exe.lnk --user-data-dir=D:\Edgedata 825正确:D:\deskTop\MicrosoftEdge.exe.lnk --user-data-dir=D:\Edgedata 826</pre 827 > 828 <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> 829 830 <pre class="smartperf-text fontColor light"> 831edge浏览器: edge://version/ 832chrome浏览器: chrome://version/ 833</pre 834 > 835 <h4 class="mume-header fontColor">超大trace抓取配置说明</h4> 836 837 <p class="fontColor"><img src="../figures/parsingability/bigtracerecord.jpg" alt="GitHub Logo" /></p> 838 <ul class="fontColor"> 839 <li> 840 <pre class="smartperf-text fontColor light"> 841Long Trace Mode: 超大trace抓取模式。 842</pre 843 > 844 </li> 845 <li> 846 <pre class="smartperf-text fontColor light"> 847Single file max size: trace文件分割的大小。 848</pre 849 > 850 </li> 851 </ul> 852 <h4 class="mume-header fontColor">本地导入超大trace</h4> 853 854 <p class="fontColor"> 855 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 /> 856 <img src="../figures/parsingability/longtraceload.jpg" alt="GitHub Logo" /><br /> 857 本地导入以后,点击右上方的切页图标可以切页。<br /> 858 <img src="../figures/parsingability/longtraceswitch.jpg" alt="GitHub Logo" /> 859 </p> 860 <h3 class="mume-header fontColor">web端支持已打开的trace文件转换成systrace,并可下载</h3> 861 862 <p class="fontColor"> 863 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 /> 864 <img src="../figures/parsingability/traceconvert.jpg" alt="GitHub Logo" /> 865 </p> 866 <h3 class="mume-header fontColor"> 867 tracestreamer离线执行sql和metrics语句,对标trace_processor_shell –q和—run-metrics 868 </h3> 869 870 <p class="fontColor"> 871 trace_streamer_shell 872 –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 /> 873 <img src="../figures/parsingability/tracestreamer_q.jpg" alt="GitHub Logo" /><br /> 874 trace_streamer_shell 875 –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 /> 876 <img src="../figures/parsingability/tsmetric.jpg" alt="GitHub Logo" /> 877 </p> 878 </div> 879 880 <script> 881 window.onload = () => { 882 let isDark = window.location.search; 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