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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<div class="title">statistics.h File Reference</div> </div>
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<div class="textblock"><code>#include <<a class="el" href="types_8h_source.html">jack/types.h</a>></code><br />
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<p><a href="statistics_8h_source.html">Go to the source code of this file.</a></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ab4adfe9509eef86e4a44ccc6c38bda1f"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="statistics_8h.html#ab4adfe9509eef86e4a44ccc6c38bda1f">jack_get_max_delayed_usecs</a> (<a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> *client)</td></tr>
<tr class="separator:ab4adfe9509eef86e4a44ccc6c38bda1f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1594a8e3bbd718f128a9725057cf8877"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="statistics_8h.html#a1594a8e3bbd718f128a9725057cf8877">jack_get_xrun_delayed_usecs</a> (<a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> *client)</td></tr>
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<tr class="memitem:aeb7d2667d5f8281f4fe9c88db71a1843"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="statistics_8h.html#aeb7d2667d5f8281f4fe9c88db71a1843">jack_reset_max_delayed_usecs</a> (<a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> *client)</td></tr>
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<h2 class="groupheader">Function Documentation</h2>
<a id="ab4adfe9509eef86e4a44ccc6c38bda1f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab4adfe9509eef86e4a44ccc6c38bda1f">◆ </a></span>jack_get_max_delayed_usecs()</h2>
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<td class="memname">float jack_get_max_delayed_usecs </td>
<td>(</td>
<td class="paramtype"><a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> * </td>
<td class="paramname"><em>client</em></td><td>)</td>
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<dl class="section return"><dt>Returns</dt><dd>the maximum delay reported by the backend since startup or reset. When compared to the period size in usecs, this can be used to estimate the ideal period size for a given setup. </dd></dl>
</div>
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<a id="a1594a8e3bbd718f128a9725057cf8877"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1594a8e3bbd718f128a9725057cf8877">◆ </a></span>jack_get_xrun_delayed_usecs()</h2>
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<td class="memname">float jack_get_xrun_delayed_usecs </td>
<td>(</td>
<td class="paramtype"><a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> * </td>
<td class="paramname"><em>client</em></td><td>)</td>
<td></td>
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<dl class="section return"><dt>Returns</dt><dd>the delay in microseconds due to the most recent XRUN occurrence. This probably only makes sense when called from a <a class="el" href="types_8h.html#ac19798b331fa11b864f874408d26a0b0">JackXRunCallback</a> defined using <a class="el" href="group__ClientCallbacks.html#ga08196c75f06d9e68f9a3570dfcb1e323">jack_set_xrun_callback()</a>. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aeb7d2667d5f8281f4fe9c88db71a1843">◆ </a></span>jack_reset_max_delayed_usecs()</h2>
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<td class="memname">void jack_reset_max_delayed_usecs </td>
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<td class="paramtype"><a class="el" href="types_8h.html#a96cf103940d2ee71b141d4b9d0c116bf">jack_client_t</a> * </td>
<td class="paramname"><em>client</em></td><td>)</td>
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<p>Reset the maximum delay counter. This would be useful to estimate the effect that a change to the configuration of a running system (e.g. toggling kernel preemption) has on the delay experienced by JACK, without having to restart the JACK engine. </p>
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