ibm-information-center/dist/eclipse/plugins/i5OS.ic.apis_5.4.0.1/perfmgmt_pex.htm

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<title>Performance Explorer (PEX) APIs</title>
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<h2>Performance Explorer (PEX)
APIs</h2>
<p>For information about performance explorer (PEX), see
<a href="../rzahx/rzahxpexparent.htm">Performance explorer</a>.</p>
<p>The PEX APIs are used to collect trace performance data for user-defined
(application-defined) transactions and to record application-defined trace
data. The user-defined transaction APIs indicate the start and end of a
transaction and allow logging during a transaction.</p>
<p>The PEX APIs are:</p>
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<li><A HREF="qypeaddt.htm">Add Trace Point</A> (QYPEADDT, qypeAddTracePoint) records application-defined trace data.</li>
<li><A HREF="qypeendt.htm">End Transaction</A> (QYPEENDT, qypeEndTransaction) indicates the end of a user-defined transaction.</li>
<li><A HREF="qypelogt.htm">Log Transaction</A> (QYPELOGT, qypeLogTransaction) generates a transaction log record in the PEX trace data.</li>
<li><A HREF="qyperpex.htm">Retrieve PEX Information</A> (QYPERPEX, qypeRetrievePexInfo) returns a list of active Performance Explorer collections.</li>
<li><A HREF="qypestrt.htm">Start Transaction</A> (QYPESTRT, qypeStartTransaction) is called at the start of a user-defined transaction.</li>
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<td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a href=
"perfmgmt.htm">Performance Management APIs</a> | <a href="aplist.htm">APIs by
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