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<h2>
<a name="1207300"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">profile</font>
</h2><hr>
<p>
<a name="1267335"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Control program profiling</font>
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<h3>
<a name="1207302"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Command type</font>
</h3>
<p>
<a name="1226989"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Profiling</font>
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<h3>
<a name="1207304"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Tool environment</font>
</h3>
<p>
<a name="1228089"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><strong>st20run</strong></font>
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<h3>
<a name="1207305"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Synopsis</font>
</h3>
<a name="1207306"> </a><font size=2 face=Courier><strong>profile [<font size=2 face=Courier><strong><em>options</em></strong></font>]<br></strong></font>
<h3>
<a name="1207307"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Options</font>
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<p>
<a name="1230160"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><b><font size=2 face=Courier><strong>-on</strong></font></b></font>
<br>
<dl><dl> <dl>
<dt> <a name="1230162"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Turn on profiling data accumulation</font>
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</dl></dl>
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<a name="1230164"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><b><font size=2 face=Courier><strong>-off</strong></font></b></font>
<br>
<dl><dl> <dl>
<dt> <a name="1230166"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Set trigger to turn off profiling data accumulation</font>
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</dl></dl>
<p>
<a name="1230168"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><b><font size=2 face=Courier><strong>-prof </strong></font><font size=2 face=Courier><strong><em>mode</em></strong></font></b></font>
<br>
<dl><dl> <dl>
<dt> <a name="1230170"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Set the profiling measuring <font size=2 face=Courier><strong><em>mode</em></strong></font>. The <font size=2 face=Courier><strong><em>mode</em></strong></font> may be <font size=2 face=Courier><strong>i[dle]</strong></font> for idle profiling or <font size=2 face=Courier><strong>s[ample]</strong></font> for flat profiling. The default is flat profiling.</font>
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<p>
<a name="1230172"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><b><font size=2 face=Courier><strong>-p[eriod] </strong></font><font size=2 face=Courier><strong><em>period</em></strong></font></b></font>
<br>
<dl><dl> <dl>
<dt> <a name="1236879"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Set the sample period to <font size=2 face=Courier><strong><em>period</em></strong></font> microseconds. The value of <font size=2 face=Courier><strong><em>period</em></strong></font> must be not less than 1000 and not more than 10<sup>6</sup>. This option only applies to hardware targets. The default is 1000.</font>
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<a name="1230176"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><b><font size=2 face=Courier><strong>-o[utput] </strong></font><font size=2 face=Courier><strong><em>filename</em></strong></font></b></font>
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<dl><dl> <dl>
<dt> <a name="1236887"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Write the output to <font size=2 face=Courier><strong><em>filename.</em></strong></font> The file may be on the command language search path or a full pathname may be given.</font>
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<a name="1230180"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><b><font size=2 face=Courier><strong>-f[lat]</strong></font></b></font>
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<dl><dl> <dl>
<dt> <a name="1230182"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Return flat profiling results</font>
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</dl></dl>
<p>
<a name="1230184"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><b><font size=2 face=Courier><strong>-idle</strong></font></b></font>
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<dl><dl> <dl>
<dt> <a name="1230186"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Return idle profiling results</font>
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</dl></dl>
<h3>
<a name="1207322"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Debugger context</font>
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<p>
<a name="1207323"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The <font size=2 face=Courier><strong>spaceid</strong></font> from the debugger context specifies the address space the command applies to.</font>
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<h3>
<a name="1207324"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Description</font>
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<p>
<a name="1207325"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The command <font size=2 face=Courier><strong>profile</strong></font> controls profiling for the program defined by the command language variable <font size=2 face=Courier><strong>programid</strong></font>. Program identifiers are returned by the <font size=2 face=Courier><strong>program</strong></font> command.</font>
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<p>
<a name="1207326"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Profiling is performed in two stages. First the application is executed, accumulating profiling data. During this stage the accumulation can be switched on or off using the <font size=2 face=Courier><strong>profile</strong></font> command with the <font face="Verdana, Arial, Helvetica, sans-serif"><b>on</b></font> or <font face="Verdana, Arial, Helvetica, sans-serif"><b>off </b></font>options. By default, the application starts execution with the data accumulation turned off. Second, after the execution has completed, the results are extracted and interpreted. If no options are given, <font size=2 face=Courier><strong>profile</strong></font> extracts the accumulated results and returns the full results. The <font face="Verdana, Arial, Helvetica, sans-serif"><b>flat</b></font> and <font face="Verdana, Arial, Helvetica, sans-serif"><b>idle</b></font> options allow selected output. Output is to standard output unless the <font size=2 face=Courier><strong>o</strong></font> option is used.</font>
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<h3>
<a name="1207327"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Example</font>
</h3>
<a name="1207328"> </a><font size=2 face=Courier><strong>>connect st20⌨️ 快捷键说明
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