2.2.4.32 WebPartQueryLatencyDataBuffer

msdn link

Namespace: http://www.microsoft.com/sharepoint/search/KnownTypes/2008/08

The WebPartQueryLatencyDataBuffer complex type contains the latency of the Web Parts in processing search queries within a 60-second time period

 <xs:complexType name="WebPartQueryLatencyDataBuffer" xmlns:xs="http://www.w3.org/2001/XMLSchema">
   <xs:complexContent mixed="false">
     <xs:extension base="q2:DataBuffer">
       <xs:sequence>
         <xs:element minOccurs="0" name="VerboseQueryTimings" nillable="true" type="q2:ArrayOfVerboseWebPartQueryLatencyDataBuffer"/>
       </xs:sequence>
     </xs:extension>
   </xs:complexContent>
 </xs:complexType>

VerboseQueryTimings:  Specifies details of the search query latency of every single Web Part.