st20si14.htm

来自「ST20 Embedded Toolset R2.0.5用于开发基于ST20芯片」· HTM 代码 · 共 54 行

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<title>8.5 Generating statistics</title>

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<h2>
  <a name="1205403"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">8.5 	 Generating statistics</font>
</h2><hr>


<p>
  <a name="1205404"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">The simulator can accumulate statistics during the execution of an application, for part or all of the code. Statistics gathered include the number of cycles executed, the number of instructions executed, the number of jumps taken and the number of times each instruction was executed.</font>
</p>


<p>
  <a name="1205405"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">When the application finishes executing, the statistics are written to a statistics file. The statistics file is written to same directory as the application code file. When <font size=2 face=Courier><strong>st20sim</strong></font> is run in stand-alone mode, the filename is derived from the application code file by changing the extension to <font size=2 face=Courier><strong>.sta</strong></font>; for example, the statistics file for <font size=2 face=Courier><strong>hello.hex</strong></font> is <font size=2 face=Courier><strong>hello.sta</strong></font>. When <strong>st20sim</strong> is invoked as an <strong>st20run</strong> target, the statistics are written to the file <font size=2 face=Courier><strong>default.sta</strong></font>. The format of the statistics file is described in <a href="st20si15.htm#1205434"><font  color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>Section

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