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14<h1 align="left">AXInitProfile</h1>
15
16<h2>Syntax</h2>
17<dl><dd><pre class="construction">
18#include &lt;revolution/ax.h&gt;
19
20typedef struct _AXPROFILE
21{
22    OSTime  axFrameStart;
23    OSTime  auxProcessingStart;
24    OSTime  auxProcessingEnd;
25    OSTime  userCallbackStart;
26    OSTime  userCallbackEnd;
27    OSTime  axFrameEnd;
28    u32     axNumVoices;
29} AXPROFILE;
30
31void AXInitProfile(AXPROFILE *profile, u32 maxProfiles);
32</pre></dd></dl>
33
34<h2>Arguments</h2>
35<TABLE class="arguments" border="1" >
36  <tr>
37<th>profile</th>
38<td>Pointer to one or more <code>AXPROFILE</code> data structures allocated by the user application.</td>
39  </tr>
40  <tr>
41<th>maxProfiles</th>
42<td>Number of <code>AXPROFILE</code> structures allocated.</td>
43  </tr>
44</table>
45
46<h2>Return Values</h2>
47<p>None.</p>
48
49<h2>Description</h2>
50<p>Users can measure CPU usage for AX, AUX effects processing, and user callback functions on a per-frame basis. The <code>AXInitProfile</code> function initializes AX runtime properties. The calling function must provide sufficient memory capacity for the specified <code>AXPROFILE</code> structures. CPU usage is stored in units of audio frames. In other words, the application must provide enough <code>AXPROFILE</code> structures only during the profile period.</p>
51
52<h2>See Also</h2>
53<p class="reference">
54<a href="AXGetProfile.html">AXGetProfile</a>
55</p>
56
57<h2>Revision History</h2>
58<P>
592006/03/01 Initial version.<BR>
60</P>
61
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