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<title>7.5.2 Controlling flat profiling  </title>

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<h3>
  <a name="1204618"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">7.5.2 	 Controlling flat profiling</font>
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<p>
  <a name="1204619"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">Flat profiling may be selected using the <font size=2 face=Courier><strong>profile</strong></font> command with the <font  face="Verdana, Arial, Helvetica, sans-serif"><b>prof s</b></font> option. The sampled data can be extracted using the <font size=2 face=Courier><strong>profile</strong></font> command with the <font  face="Verdana, Arial, Helvetica, sans-serif"><b>flat</b></font> option.</font>
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  <a name="1204621"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">On hardware targets, the frequency of the sampling may be varied using the <font  face="Verdana, Arial, Helvetica, sans-serif"><b>p</b></font> option of the <font size=2 face=Courier><strong>profile</strong></font> command. The frequency can be varied from one sample per millisecond to one per second in steps of 1 <font face=symbol>m</font>s. The sampling interval defaults to 1 <font face=symbol>m</font>s.</font>
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  <a name="1204622"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">For example, the following sequence of commands flat profiles the application in <font size=2 face=Courier><strong>hello.lku</strong></font> on the target called <font size=2 face=Courier><strong>st20</strong></font> with a sampling period of 40 milliseconds.</font>
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<a name="1204623"> </a><font size=2 face=Courier><strong>% st20run -debug<br>&gt; connect st20

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