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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><link rel="STYLESHEET" type="text/css" href="wrs.css"><title> Data Collection </title></head><body bgcolor="FFFFFF"><p class="navbar" align="right"><a href="index.html"><img border="0" alt="[Contents]" src="icons/contents.gif"></a><a href="c-datacol.html"><img border="0" alt="[Index]" src="icons/index.gif"></a><a href="c-datacol.html"><img border="0" alt="[Top]" src="icons/top.gif"></a><a href="c-datacol4.html"><img border="0" alt="[Prev]" src="icons/prev.gif"></a><a href="c-datacol6.html"><img border="0" alt="[Next]" src="icons/next.gif"></a></p><font face="Helvetica, sans-serif" class="sans"><h3 class="H2"><i><a name="84945">7.5 Merging Logs from Multiple Processors</a></i></h3></font><dl class="margin"><dl class="margin"><dd><p class="Body"><a name="84947"> </a>Basic multiprocessor support is provided by allowing multiple logs to be merged. This is accomplished in the parser by allowing additional logs to be attached to the one already selected for view. The tasks in the new log are merged with those already present in the display. The parser places an indicator of the processor number on the view graph display in the context label for each task. The processor number is also displayed in the <b class="guiLabel"><font face="Helvetica, sans-serif" size="-1" class="sans">Context Attributes</font></b> dialog box. <a href="c-datacol5.html#84954">Figure 7-4</a> shows the result of opening <i class="textVariable">installDir</i><b class="file">/host/src/windview/samples/merge1.wvr</b> and then selecting <b class="guiLabel"><font face="Helvetica, sans-serif" size="-1" class="sans">WindView>Merge Log</font></b> from the main <b class="guiLabel"><font face="Helvetica, sans-serif" size="-1" class="sans">Tools</font></b> menu and adding <i class="textVariable">installDir</i><b class="file">/host/src/windview/samples/merge2.wvr</b>. The CPU designation can be seen in both the combined view graph and the <b class="guiLabel"><font face="Helvetica, sans-serif" size="-1" class="sans">Context Attributes</font></b> dialog box. <div class="frame"><h4 class="EntityTitle"><a name="84954"><font face="Helvetica, sans-serif" size="-1" class="sans">Figure 7-4: Displaying Merged Logs</font></a></h4><dl class="margin"><div class="Anchor"><a name="84969"> </a><img class="figure" border="0" src="images/c-datacol19.gif"></div></dl></div></p><dd><p class="Body"><a name="88258"> </a>This technique does not provide synchronization of the logs. If they received their timestamps from the same source, logs are automatically synchronized, but no external synchronization is provided. </p></dl></dl><a name="foot"><hr></a><p class="navbar" align="right"><a href="index.html"><img border="0" alt="[Contents]" src="icons/contents.gif"></a><a href="c-datacol.html"><img border="0" alt="[Index]" src="icons/index.gif"></a><a href="c-datacol.html"><img border="0" alt="[Top]" src="icons/top.gif"></a><a href="c-datacol4.html"><img border="0" alt="[Prev]" src="icons/prev.gif"></a><a href="c-datacol6.html"><img border="0" alt="[Next]" src="icons/next.gif"></a></p></body></html><!---by WRS Documentation (), Wind River Systems, Inc. conversion tool: Quadralay WebWorks Publisher 4.0.11 template: CSS Template, Jan 1998 - Jefro --->⌨️ 快捷键说明
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