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<title>Dump Lock Flight Recorder (QWTDMPLF) API</title>
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<h2>Dump Lock Flight Recorder (QWTDMPLF) API</h2>
<div class="box" style="width: 80%;">
<br>
&nbsp;&nbsp;Required Parameter Group:<br>
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<br>
<table width="100%">
<tr>
<td align="center" valign="top" width="10%">1</td>
<td align="left" valign="top" width="50%">Device name</td>
<td align="left" valign="top" width="20%">Input</td>
<td align="left" valign="top" width="20%">Char(10)</td>
</tr>
</table>
<br>
&nbsp;&nbsp;Optional Parameter Group:<br>
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<br>
<table width="100%">
<tr>
<td align="center" valign="top" width="10%">2</td>
<td align="left" valign="top" width="50%">Error code</td>
<td align="left" valign="top" width="20%">I/O</td>
<td align="left" valign="top" width="20%">Char(*)</td>
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&nbsp;&nbsp;Default Public Authority: *EXCLUDE<br>
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&nbsp;&nbsp;Threadsafe: No<br>
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<p>The Dump Lock Flight Recorder (QWTDMPLF) API dumps the following information
into spooled files:</p>
<ul>
<li>The contents of the lock flight recorder for the device specified in the
parameter passed to the program</li>
<li>QSYSARB job log</li>
<li>QLUS job log</li>
<li>Job logs of the active jobs that have used the device as indicated in the
lock flight recorder data</li>
<li>The history log (QHST)</li>
<li>Device description of the device</li>
<li>Controller description of the controller to which the device is
attached</li>
<li>Line description of the line to which the controller is attached</li>
<li>A Work with Object Locks (WRKOBJLCK) listing for the device</li>
<li>A Work with Configuration Status (WRKCFGSTS) listing for the
controller</li>
<li>The subsystem description of active subsystems that have touched the
device</li>
<li>Associated internal system objects</li>
</ul>
<p>You can use the QWTDMPLF API to collect information for your IBM service
representative.</p>
<br>
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<h3>Authorities and Locks</h3>
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<p>None.</p>
<br>
<h3>Required Parameter</h3>
<dl>
<dt><strong>Device name</strong></dt>
<dd>INPUT; CHAR(10)
<p>The name of the device for which flight recorder information will be
dumped.</p>
</dd>
</dl>
<br>
<h3>Optional Parameter</h3>
<dl>
<dt><strong>Error code</strong></dt>
<dd>I/O; CHAR(*)
<p>The structure in which to return error information. For the format of the
structure, see <a href="../apiref/error.htm#hdrerrcod">Error code parameter</a>. If this
parameter is omitted, diagnostic and escape messages are issued to the
application.</p>
</dd>
</dl>
<br>
<h3>Error Messages</h3>
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<th align="left" valign="top" nowrap>Message ID</th>
<th align="left" valign="top">Error Message Text</th>
</tr>
<tr>
<td align="left" valign="top">CPF119C E</td>
<td align="left" valign="top">Value &amp;1 specified for parameter is not
valid.</td>
</tr>
<tr>
<td align="left" valign="top">CPF3C90 E</td>
<td align="left" valign="top">Literal value cannot be changed.</td>
</tr>
<tr>
<td align="left" valign="top">CPF3CF1 E</td>
<td align="left" valign="top">Error code parameter not valid.</td>
</tr>
<tr>
<td align="left" valign="top">CPF8100 E</td>
<td align="left" valign="top">All CPF81xx messages could be returned. xx is
from 01 to FF.</td>
</tr>
<tr>
<td align="left" valign="top">CPF9800 E</td>
<td align="left" valign="top">All CPF98xx messages could be signaled. xx is
from 01 to FF.</td>
</tr>
<tr>
<td align="left" valign="top">CPF9872 E</td>
<td align="left" valign="top">Program or service program &amp;1 in library
&amp;2 ended. Reason code &amp;3.</td>
</tr>
</table>
<br>
<hr>
API introduced: V2R2
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